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annotate usr/src/uts/common/fs/zfs/dsl_scan.c @ 13941:d48547176ab4

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3498 panic in arc_read(): !refcount_is_zero(&pbuf->b_hdr->b_refcnt) Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Approved by: Richard Lowe <richlowe@richlowe.net>
author George Wilson <george.wilson@delphix.com>
date Fri, 01 Feb 2013 14:11:09 -0800
parents 9410cf539b11
children 7a22d0770fc8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * CDDL HEADER START
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3 *
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4 * The contents of this file are subject to the terms of the
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5 * Common Development and Distribution License (the "License").
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6 * You may not use this file except in compliance with the License.
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7 *
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8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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9 * or http://www.opensolaris.org/os/licensing.
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10 * See the License for the specific language governing permissions
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11 * and limitations under the License.
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12 *
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13 * When distributing Covered Code, include this CDDL HEADER in each
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14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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15 * If applicable, add the following below this CDDL HEADER, with the
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16 * fields enclosed by brackets "[]" replaced with your own identifying
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17 * information: Portions Copyright [yyyy] [name of copyright owner]
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18 *
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19 * CDDL HEADER END
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20 */
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21 /*
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22 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
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23 * Copyright (c) 2012 by Delphix. All rights reserved.
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24 */
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25
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26 #include <sys/dsl_scan.h>
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27 #include <sys/dsl_pool.h>
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28 #include <sys/dsl_dataset.h>
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29 #include <sys/dsl_prop.h>
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30 #include <sys/dsl_dir.h>
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31 #include <sys/dsl_synctask.h>
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32 #include <sys/dnode.h>
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33 #include <sys/dmu_tx.h>
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34 #include <sys/dmu_objset.h>
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35 #include <sys/arc.h>
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36 #include <sys/zap.h>
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37 #include <sys/zio.h>
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38 #include <sys/zfs_context.h>
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39 #include <sys/fs/zfs.h>
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40 #include <sys/zfs_znode.h>
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41 #include <sys/spa_impl.h>
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42 #include <sys/vdev_impl.h>
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43 #include <sys/zil_impl.h>
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44 #include <sys/zio_checksum.h>
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45 #include <sys/ddt.h>
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46 #include <sys/sa.h>
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47 #include <sys/sa_impl.h>
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48 #include <sys/zfeature.h>
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49 #ifdef _KERNEL
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50 #include <sys/zfs_vfsops.h>
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51 #endif
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52
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53 typedef int (scan_cb_t)(dsl_pool_t *, const blkptr_t *, const zbookmark_t *);
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54
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55 static scan_cb_t dsl_scan_defrag_cb;
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56 static scan_cb_t dsl_scan_scrub_cb;
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57 static scan_cb_t dsl_scan_remove_cb;
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58 static dsl_syncfunc_t dsl_scan_cancel_sync;
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59 static void dsl_scan_sync_state(dsl_scan_t *, dmu_tx_t *tx);
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60
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61 int zfs_top_maxinflight = 32; /* maximum I/Os per top-level */
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62 int zfs_resilver_delay = 2; /* number of ticks to delay resilver */
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63 int zfs_scrub_delay = 4; /* number of ticks to delay scrub */
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64 int zfs_scan_idle = 50; /* idle window in clock ticks */
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65
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66 int zfs_scan_min_time_ms = 1000; /* min millisecs to scrub per txg */
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67 int zfs_free_min_time_ms = 1000; /* min millisecs to free per txg */
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68 int zfs_resilver_min_time_ms = 3000; /* min millisecs to resilver per txg */
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69 boolean_t zfs_no_scrub_io = B_FALSE; /* set to disable scrub i/o */
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70 boolean_t zfs_no_scrub_prefetch = B_FALSE; /* set to disable srub prefetching */
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71 enum ddt_class zfs_scrub_ddt_class_max = DDT_CLASS_DUPLICATE;
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72 int dsl_scan_delay_completion = B_FALSE; /* set to delay scan completion */
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73
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74 #define DSL_SCAN_IS_SCRUB_RESILVER(scn) \
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75 ((scn)->scn_phys.scn_func == POOL_SCAN_SCRUB || \
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76 (scn)->scn_phys.scn_func == POOL_SCAN_RESILVER)
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77
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78 extern int zfs_txg_timeout;
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79
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80 /* the order has to match pool_scan_type */
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81 static scan_cb_t *scan_funcs[POOL_SCAN_FUNCS] = {
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82 NULL,
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83 dsl_scan_scrub_cb, /* POOL_SCAN_SCRUB */
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84 dsl_scan_scrub_cb, /* POOL_SCAN_RESILVER */
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85 };
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86
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87 int
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88 dsl_scan_init(dsl_pool_t *dp, uint64_t txg)
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89 {
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90 int err;
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91 dsl_scan_t *scn;
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92 spa_t *spa = dp->dp_spa;
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93 uint64_t f;
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94
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95 scn = dp->dp_scan = kmem_zalloc(sizeof (dsl_scan_t), KM_SLEEP);
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96 scn->scn_dp = dp;
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97
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98 err = zap_lookup(dp->dp_meta_objset, DMU_POOL_DIRECTORY_OBJECT,
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99 "scrub_func", sizeof (uint64_t), 1, &f);
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100 if (err == 0) {
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101 /*
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102 * There was an old-style scrub in progress. Restart a
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103 * new-style scrub from the beginning.
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104 */
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105 scn->scn_restart_txg = txg;
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106 zfs_dbgmsg("old-style scrub was in progress; "
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107 "restarting new-style scrub in txg %llu",
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108 scn->scn_restart_txg);
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109
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110 /*
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111 * Load the queue obj from the old location so that it
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112 * can be freed by dsl_scan_done().
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113 */
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114 (void) zap_lookup(dp->dp_meta_objset, DMU_POOL_DIRECTORY_OBJECT,
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115 "scrub_queue", sizeof (uint64_t), 1,
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116 &scn->scn_phys.scn_queue_obj);
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117 } else {
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118 err = zap_lookup(dp->dp_meta_objset, DMU_POOL_DIRECTORY_OBJECT,
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119 DMU_POOL_SCAN, sizeof (uint64_t), SCAN_PHYS_NUMINTS,
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120 &scn->scn_phys);
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121 if (err == ENOENT)
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122 return (0);
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123 else if (err)
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124 return (err);
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125
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126 if (scn->scn_phys.scn_state == DSS_SCANNING &&
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127 spa_prev_software_version(dp->dp_spa) < SPA_VERSION_SCAN) {
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parents: 12295
diff changeset
128 /*
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diff changeset
129 * A new-type scrub was in progress on an old
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diff changeset
130 * pool, and the pool was accessed by old
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parents: 12295
diff changeset
131 * software. Restart from the beginning, since
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parents: 12295
diff changeset
132 * the old software may have changed the pool in
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parents: 12295
diff changeset
133 * the meantime.
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
134 */
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diff changeset
135 scn->scn_restart_txg = txg;
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parents: 12295
diff changeset
136 zfs_dbgmsg("new-style scrub was modified "
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
137 "by old software; restarting in txg %llu",
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
138 scn->scn_restart_txg);
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parents: 12295
diff changeset
139 }
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
140 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
141
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
142 spa_scan_stat_init(spa);
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diff changeset
143 return (0);
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
144 }
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
145
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
146 void
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
147 dsl_scan_fini(dsl_pool_t *dp)
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diff changeset
148 {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
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parents: 12295
diff changeset
149 if (dp->dp_scan) {
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parents: 12295
diff changeset
150 kmem_free(dp->dp_scan, sizeof (dsl_scan_t));
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diff changeset
151 dp->dp_scan = NULL;
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parents: 12295
diff changeset
152 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
153 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
154
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
155 /* ARGSUSED */
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
156 static int
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
157 dsl_scan_setup_check(void *arg1, void *arg2, dmu_tx_t *tx)
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parents: 12295
diff changeset
158 {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
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parents: 12295
diff changeset
159 dsl_scan_t *scn = arg1;
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diff changeset
160
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
161 if (scn->scn_phys.scn_state == DSS_SCANNING)
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diff changeset
162 return (EBUSY);
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
163
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
164 return (0);
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
165 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
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parents: 12295
diff changeset
166
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parents:
diff changeset
167 /* ARGSUSED */
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parents:
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168 static void
12296
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diff changeset
169 dsl_scan_setup_sync(void *arg1, void *arg2, dmu_tx_t *tx)
7046
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170 {
12296
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diff changeset
171 dsl_scan_t *scn = arg1;
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parents: 12295
diff changeset
172 pool_scan_func_t *funcp = arg2;
7046
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parents:
diff changeset
173 dmu_object_type_t ot = 0;
12296
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diff changeset
174 dsl_pool_t *dp = scn->scn_dp;
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parents: 12295
diff changeset
175 spa_t *spa = dp->dp_spa;
7046
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176
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diff changeset
177 ASSERT(scn->scn_phys.scn_state != DSS_SCANNING);
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
178 ASSERT(*funcp > POOL_SCAN_NONE && *funcp < POOL_SCAN_FUNCS);
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
179 bzero(&scn->scn_phys, sizeof (scn->scn_phys));
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diff changeset
180 scn->scn_phys.scn_func = *funcp;
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
181 scn->scn_phys.scn_state = DSS_SCANNING;
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parents: 12295
diff changeset
182 scn->scn_phys.scn_min_txg = 0;
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
183 scn->scn_phys.scn_max_txg = tx->tx_txg;
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
184 scn->scn_phys.scn_ddt_class_max = DDT_CLASSES - 1; /* the entire DDT */
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parents: 12295
diff changeset
185 scn->scn_phys.scn_start_time = gethrestime_sec();
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parents: 12295
diff changeset
186 scn->scn_phys.scn_errors = 0;
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
187 scn->scn_phys.scn_to_examine = spa->spa_root_vdev->vdev_stat.vs_alloc;
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parents: 12295
diff changeset
188 scn->scn_restart_txg = 0;
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diff changeset
189 spa_scan_stat_init(spa);
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190
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diff changeset
191 if (DSL_SCAN_IS_SCRUB_RESILVER(scn)) {
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diff changeset
192 scn->scn_phys.scn_ddt_class_max = zfs_scrub_ddt_class_max;
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193
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194 /* rewrite all disk labels */
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diff changeset
195 vdev_config_dirty(spa->spa_root_vdev);
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196
12296
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diff changeset
197 if (vdev_resilver_needed(spa->spa_root_vdev,
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parents: 12295
diff changeset
198 &scn->scn_phys.scn_min_txg, &scn->scn_phys.scn_max_txg)) {
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
199 spa_event_notify(spa, NULL, ESC_ZFS_RESILVER_START);
8525
e0e0e525d0f8 6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents: 8274
diff changeset
200 } else {
12296
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parents: 12295
diff changeset
201 spa_event_notify(spa, NULL, ESC_ZFS_SCRUB_START);
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202 }
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203
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parents: 12295
diff changeset
204 spa->spa_scrub_started = B_TRUE;
11125
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
205 /*
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
206 * If this is an incremental scrub, limit the DDT scrub phase
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
207 * to just the auto-ditto class (for correctness); the rest
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
208 * of the scrub should go faster using top-down pruning.
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
209 */
12296
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parents: 12295
diff changeset
210 if (scn->scn_phys.scn_min_txg > TXG_INITIAL)
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
211 scn->scn_phys.scn_ddt_class_max = DDT_CLASS_DITTO;
11125
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
212
7046
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ahrens
parents:
diff changeset
213 }
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ahrens
parents:
diff changeset
214
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
215 /* back to the generic stuff */
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
216
7837
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
217 if (dp->dp_blkstats == NULL) {
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
218 dp->dp_blkstats =
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
219 kmem_alloc(sizeof (zfs_all_blkstats_t), KM_SLEEP);
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
220 }
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
221 bzero(dp->dp_blkstats, sizeof (zfs_all_blkstats_t));
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
222
12296
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parents: 12295
diff changeset
223 if (spa_version(spa) < SPA_VERSION_DSL_SCRUB)
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parents:
diff changeset
224 ot = DMU_OT_ZAP_OTHER;
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ahrens
parents:
diff changeset
225
12296
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
226 scn->scn_phys.scn_queue_obj = zap_create(dp->dp_meta_objset,
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
227 ot ? ot : DMU_OT_SCAN_QUEUE, DMU_OT_NONE, 0, tx);
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228
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diff changeset
229 dsl_scan_sync_state(scn, tx);
7046
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parents:
diff changeset
230
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95aba6e49b9f 2882 implement libzfs_core
Matthew Ahrens <mahrens@delphix.com>
parents: 13700
diff changeset
231 spa_history_log_internal(spa, "scan setup", tx,
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parents:
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232 "func=%u mintxg=%llu maxtxg=%llu",
12296
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
233 *funcp, scn->scn_phys.scn_min_txg, scn->scn_phys.scn_max_txg);
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234 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
235
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ahrens
parents:
diff changeset
236 /* ARGSUSED */
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ahrens
parents:
diff changeset
237 static void
12296
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
238 dsl_scan_done(dsl_scan_t *scn, boolean_t complete, dmu_tx_t *tx)
7046
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ahrens
parents:
diff changeset
239 {
12296
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
240 static const char *old_names[] = {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
241 "scrub_bookmark",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
242 "scrub_ddt_bookmark",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
243 "scrub_ddt_class_max",
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
244 "scrub_queue",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
245 "scrub_min_txg",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
246 "scrub_max_txg",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
247 "scrub_func",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
248 "scrub_errors",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
249 NULL
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
250 };
7046
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ahrens
parents:
diff changeset
251
12296
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
252 dsl_pool_t *dp = scn->scn_dp;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
253 spa_t *spa = dp->dp_spa;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
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diff changeset
254 int i;
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parents:
diff changeset
255
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
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diff changeset
256 /* Remove any remnants of an old-style scrub. */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
257 for (i = 0; old_names[i]; i++) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
258 (void) zap_remove(dp->dp_meta_objset,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
259 DMU_POOL_DIRECTORY_OBJECT, old_names[i], tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
260 }
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diff changeset
261
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
262 if (scn->scn_phys.scn_queue_obj != 0) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
263 VERIFY(0 == dmu_object_free(dp->dp_meta_objset,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
264 scn->scn_phys.scn_queue_obj, tx));
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
265 scn->scn_phys.scn_queue_obj = 0;
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parents:
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266 }
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parents:
diff changeset
267
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
268 /*
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
269 * If we were "restarted" from a stopped state, don't bother
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
270 * with anything else.
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
271 */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
272 if (scn->scn_phys.scn_state != DSS_SCANNING)
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
273 return;
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parents: 12295
diff changeset
274
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
275 if (complete)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
276 scn->scn_phys.scn_state = DSS_FINISHED;
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parents: 12295
diff changeset
277 else
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
278 scn->scn_phys.scn_state = DSS_CANCELED;
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diff changeset
279
13743
95aba6e49b9f 2882 implement libzfs_core
Matthew Ahrens <mahrens@delphix.com>
parents: 13700
diff changeset
280 spa_history_log_internal(spa, "scan done", tx,
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
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parents: 12295
diff changeset
281 "complete=%u", complete);
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282
12296
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parents: 12295
diff changeset
283 if (DSL_SCAN_IS_SCRUB_RESILVER(scn)) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
284 mutex_enter(&spa->spa_scrub_lock);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
285 while (spa->spa_scrub_inflight > 0) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
286 cv_wait(&spa->spa_scrub_io_cv,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
287 &spa->spa_scrub_lock);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
288 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
289 mutex_exit(&spa->spa_scrub_lock);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
290 spa->spa_scrub_started = B_FALSE;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
291 spa->spa_scrub_active = B_FALSE;
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parents:
diff changeset
292
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
293 /*
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
294 * If the scrub/resilver completed, update all DTLs to
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
295 * reflect this. Whether it succeeded or not, vacate
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
296 * all temporary scrub DTLs.
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
297 */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
298 vdev_dtl_reassess(spa->spa_root_vdev, tx->tx_txg,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
299 complete ? scn->scn_phys.scn_max_txg : 0, B_TRUE);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
300 if (complete) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
301 spa_event_notify(spa, NULL, scn->scn_phys.scn_min_txg ?
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
302 ESC_ZFS_RESILVER_FINISH : ESC_ZFS_SCRUB_FINISH);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
303 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
304 spa_errlog_rotate(spa);
11125
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
305
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
306 /*
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
307 * We may have finished replacing a device.
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
308 * Let the async thread assess this and handle the detach.
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
309 */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
310 spa_async_request(spa, SPA_ASYNC_RESILVER_DONE);
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parents: 12295
diff changeset
311 }
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parents:
diff changeset
312
12296
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parents: 12295
diff changeset
313 scn->scn_phys.scn_end_time = gethrestime_sec();
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
314 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
315
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
316 /* ARGSUSED */
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Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
317 static int
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
318 dsl_scan_cancel_check(void *arg1, void *arg2, dmu_tx_t *tx)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
319 {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
320 dsl_scan_t *scn = arg1;
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ahrens
parents:
diff changeset
321
12296
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parents: 12295
diff changeset
322 if (scn->scn_phys.scn_state != DSS_SCANNING)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
323 return (ENOENT);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
324 return (0);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
325 }
7046
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ahrens
parents:
diff changeset
326
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
327 /* ARGSUSED */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
328 static void
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
329 dsl_scan_cancel_sync(void *arg1, void *arg2, dmu_tx_t *tx)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
330 {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
331 dsl_scan_t *scn = arg1;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
332
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
333 dsl_scan_done(scn, B_FALSE, tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
334 dsl_scan_sync_state(scn, tx);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
335 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
336
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
337 int
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
338 dsl_scan_cancel(dsl_pool_t *dp)
7046
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ahrens
parents:
diff changeset
339 {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
340 boolean_t complete = B_FALSE;
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
341 int err;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
342
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
343 err = dsl_sync_task_do(dp, dsl_scan_cancel_check,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
344 dsl_scan_cancel_sync, dp->dp_scan, &complete, 3);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
345 return (err);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
346 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
347
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
348 static void dsl_scan_visitbp(blkptr_t *bp,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
349 const zbookmark_t *zb, dnode_phys_t *dnp, arc_buf_t *pbuf,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
350 dsl_dataset_t *ds, dsl_scan_t *scn, dmu_objset_type_t ostype,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
351 dmu_tx_t *tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
352 static void dsl_scan_visitdnode(dsl_scan_t *, dsl_dataset_t *ds,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
353 dmu_objset_type_t ostype,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
354 dnode_phys_t *dnp, arc_buf_t *buf, uint64_t object, dmu_tx_t *tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
355
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
356 void
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
357 dsl_free(dsl_pool_t *dp, uint64_t txg, const blkptr_t *bp)
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
358 {
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
359 zio_free(dp->dp_spa, txg, bp);
7046
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ahrens
parents:
diff changeset
360 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
361
12295
e16f396f04a1 6948911 snapshot deletion can induce unsatisfiable allocations in txg sync
George Wilson <George.Wilson@Sun.COM>
parents: 11935
diff changeset
362 void
e16f396f04a1 6948911 snapshot deletion can induce unsatisfiable allocations in txg sync
George Wilson <George.Wilson@Sun.COM>
parents: 11935
diff changeset
363 dsl_free_sync(zio_t *pio, dsl_pool_t *dp, uint64_t txg, const blkptr_t *bpp)
e16f396f04a1 6948911 snapshot deletion can induce unsatisfiable allocations in txg sync
George Wilson <George.Wilson@Sun.COM>
parents: 11935
diff changeset
364 {
e16f396f04a1 6948911 snapshot deletion can induce unsatisfiable allocations in txg sync
George Wilson <George.Wilson@Sun.COM>
parents: 11935
diff changeset
365 ASSERT(dsl_pool_sync_context(dp));
e16f396f04a1 6948911 snapshot deletion can induce unsatisfiable allocations in txg sync
George Wilson <George.Wilson@Sun.COM>
parents: 11935
diff changeset
366 zio_nowait(zio_free_sync(pio, dp->dp_spa, txg, bpp, pio->io_flags));
e16f396f04a1 6948911 snapshot deletion can induce unsatisfiable allocations in txg sync
George Wilson <George.Wilson@Sun.COM>
parents: 11935
diff changeset
367 }
e16f396f04a1 6948911 snapshot deletion can induce unsatisfiable allocations in txg sync
George Wilson <George.Wilson@Sun.COM>
parents: 11935
diff changeset
368
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
369 static uint64_t
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
370 dsl_scan_ds_maxtxg(dsl_dataset_t *ds)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
371 {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
372 uint64_t smt = ds->ds_dir->dd_pool->dp_scan->scn_phys.scn_max_txg;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
373 if (dsl_dataset_is_snapshot(ds))
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
374 return (MIN(smt, ds->ds_phys->ds_creation_txg));
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
375 return (smt);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
376 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
377
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
378 static void
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
379 dsl_scan_sync_state(dsl_scan_t *scn, dmu_tx_t *tx)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
380 {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
381 VERIFY(0 == zap_update(scn->scn_dp->dp_meta_objset,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
382 DMU_POOL_DIRECTORY_OBJECT,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
383 DMU_POOL_SCAN, sizeof (uint64_t), SCAN_PHYS_NUMINTS,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
384 &scn->scn_phys, tx));
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
385 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
386
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
387 static boolean_t
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
388 dsl_scan_check_pause(dsl_scan_t *scn, const zbookmark_t *zb)
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
389 {
11137
0a1ed2ae30eb 6899862 ZFS txg time tunables should be more flexible
Lin Ling <Lin.Ling@Sun.COM>
parents: 11125
diff changeset
390 uint64_t elapsed_nanosecs;
7160
12f467ba43f4 6725330 'zpool scrub -v' doesn't show data errors after scrub completes
ahrens
parents: 7046
diff changeset
391 int mintime;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
392
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
393 /* we never skip user/group accounting objects */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
394 if (zb && (int64_t)zb->zb_object < 0)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
395 return (B_FALSE);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
396
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
397 if (scn->scn_pausing)
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
398 return (B_TRUE); /* we're already pausing */
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
399
13700
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
400 if (!ZB_IS_ZERO(&scn->scn_phys.scn_bookmark))
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
401 return (B_FALSE); /* we're resuming */
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
402
7182
30fd179c7fc1 6728594 scrub can block the sync thread for 100s or more
ahrens
parents: 7160
diff changeset
403 /* We only know how to resume from level-0 blocks. */
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
404 if (zb && zb->zb_level != 0)
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
405 return (B_FALSE);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
406
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
407 mintime = (scn->scn_phys.scn_func == POOL_SCAN_RESILVER) ?
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
408 zfs_resilver_min_time_ms : zfs_scan_min_time_ms;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
409 elapsed_nanosecs = gethrtime() - scn->scn_sync_start_time;
11137
0a1ed2ae30eb 6899862 ZFS txg time tunables should be more flexible
Lin Ling <Lin.Ling@Sun.COM>
parents: 11125
diff changeset
410 if (elapsed_nanosecs / NANOSEC > zfs_txg_timeout ||
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
411 (elapsed_nanosecs / MICROSEC > mintime &&
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
412 txg_sync_waiting(scn->scn_dp)) ||
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
413 spa_shutting_down(scn->scn_dp->dp_spa)) {
11125
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
414 if (zb) {
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
415 dprintf("pausing at bookmark %llx/%llx/%llx/%llx\n",
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
416 (longlong_t)zb->zb_objset,
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
417 (longlong_t)zb->zb_object,
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
418 (longlong_t)zb->zb_level,
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
419 (longlong_t)zb->zb_blkid);
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
420 scn->scn_phys.scn_bookmark = *zb;
11125
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
421 }
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
422 dprintf("pausing at DDT bookmark %llx/%llx/%llx/%llx\n",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
423 (longlong_t)scn->scn_phys.scn_ddt_bookmark.ddb_class,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
424 (longlong_t)scn->scn_phys.scn_ddt_bookmark.ddb_type,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
425 (longlong_t)scn->scn_phys.scn_ddt_bookmark.ddb_checksum,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
426 (longlong_t)scn->scn_phys.scn_ddt_bookmark.ddb_cursor);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
427 scn->scn_pausing = B_TRUE;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
428 return (B_TRUE);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
429 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
430 return (B_FALSE);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
431 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
432
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
433 typedef struct zil_scan_arg {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
434 dsl_pool_t *zsa_dp;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
435 zil_header_t *zsa_zh;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
436 } zil_scan_arg_t;
7754
b80e4842ad54 6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 7182
diff changeset
437
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
438 /* ARGSUSED */
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
439 static int
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
440 dsl_scan_zil_block(zilog_t *zilog, blkptr_t *bp, void *arg, uint64_t claim_txg)
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
441 {
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
442 zil_scan_arg_t *zsa = arg;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
443 dsl_pool_t *dp = zsa->zsa_dp;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
444 dsl_scan_t *scn = dp->dp_scan;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
445 zil_header_t *zh = zsa->zsa_zh;
7754
b80e4842ad54 6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 7182
diff changeset
446 zbookmark_t zb;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
447
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
448 if (bp->blk_birth <= scn->scn_phys.scn_cur_min_txg)
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
449 return (0);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
450
8746
e1d96ca6808c 6796377 panic on rollback in space_map_add()
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 8525
diff changeset
451 /*
9701
cc5b64682e64 6803605 should be able to offline log devices
George Wilson <George.Wilson@Sun.COM>
parents: 9396
diff changeset
452 * One block ("stubby") can be allocated a long time ago; we
8746
e1d96ca6808c 6796377 panic on rollback in space_map_add()
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 8525
diff changeset
453 * want to visit that one because it has been allocated
e1d96ca6808c 6796377 panic on rollback in space_map_add()
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 8525
diff changeset
454 * (on-disk) even if it hasn't been claimed (even though for
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
455 * scrub there's nothing to do to it).
8746
e1d96ca6808c 6796377 panic on rollback in space_map_add()
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 8525
diff changeset
456 */
7754
b80e4842ad54 6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 7182
diff changeset
457 if (claim_txg == 0 && bp->blk_birth >= spa_first_txg(dp->dp_spa))
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
458 return (0);
7754
b80e4842ad54 6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 7182
diff changeset
459
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
460 SET_BOOKMARK(&zb, zh->zh_log.blk_cksum.zc_word[ZIL_ZC_OBJSET],
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
461 ZB_ZIL_OBJECT, ZB_ZIL_LEVEL, bp->blk_cksum.zc_word[ZIL_ZC_SEQ]);
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
462
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
463 VERIFY(0 == scan_funcs[scn->scn_phys.scn_func](dp, bp, &zb));
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
464 return (0);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
465 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
466
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
467 /* ARGSUSED */
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
468 static int
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
469 dsl_scan_zil_record(zilog_t *zilog, lr_t *lrc, void *arg, uint64_t claim_txg)
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
470 {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
471 if (lrc->lrc_txtype == TX_WRITE) {
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
472 zil_scan_arg_t *zsa = arg;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
473 dsl_pool_t *dp = zsa->zsa_dp;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
474 dsl_scan_t *scn = dp->dp_scan;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
475 zil_header_t *zh = zsa->zsa_zh;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
476 lr_write_t *lr = (lr_write_t *)lrc;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
477 blkptr_t *bp = &lr->lr_blkptr;
7754
b80e4842ad54 6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 7182
diff changeset
478 zbookmark_t zb;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
479
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
480 if (bp->blk_birth <= scn->scn_phys.scn_cur_min_txg)
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
481 return (0);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
482
8746
e1d96ca6808c 6796377 panic on rollback in space_map_add()
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 8525
diff changeset
483 /*
e1d96ca6808c 6796377 panic on rollback in space_map_add()
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 8525
diff changeset
484 * birth can be < claim_txg if this record's txg is
e1d96ca6808c 6796377 panic on rollback in space_map_add()
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 8525
diff changeset
485 * already txg sync'ed (but this log block contains
e1d96ca6808c 6796377 panic on rollback in space_map_add()
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 8525
diff changeset
486 * other records that are not synced)
e1d96ca6808c 6796377 panic on rollback in space_map_add()
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 8525
diff changeset
487 */
7754
b80e4842ad54 6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 7182
diff changeset
488 if (claim_txg == 0 || bp->blk_birth < claim_txg)
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
489 return (0);
7754
b80e4842ad54 6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 7182
diff changeset
490
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
491 SET_BOOKMARK(&zb, zh->zh_log.blk_cksum.zc_word[ZIL_ZC_OBJSET],
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
492 lr->lr_foid, ZB_ZIL_LEVEL,
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
493 lr->lr_offset / BP_GET_LSIZE(bp));
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
494
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
495 VERIFY(0 == scan_funcs[scn->scn_phys.scn_func](dp, bp, &zb));
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
496 }
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
497 return (0);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
498 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
499
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
500 static void
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
501 dsl_scan_zil(dsl_pool_t *dp, zil_header_t *zh)
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
502 {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
503 uint64_t claim_txg = zh->zh_claim_txg;
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
504 zil_scan_arg_t zsa = { dp, zh };
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
505 zilog_t *zilog;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
506
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
507 /*
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
508 * We only want to visit blocks that have been claimed but not yet
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
509 * replayed (or, in read-only mode, blocks that *would* be claimed).
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
510 */
8241
5a60f16123ba 6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 7837
diff changeset
511 if (claim_txg == 0 && spa_writeable(dp->dp_spa))
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
512 return;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
513
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
514 zilog = zil_alloc(dp->dp_meta_objset, zh);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
515
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
516 (void) zil_parse(zilog, dsl_scan_zil_block, dsl_scan_zil_record, &zsa,
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
517 claim_txg);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
518
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
519 zil_free(zilog);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
520 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
521
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
522 /* ARGSUSED */
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
523 static void
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
524 dsl_scan_prefetch(dsl_scan_t *scn, arc_buf_t *buf, blkptr_t *bp,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
525 uint64_t objset, uint64_t object, uint64_t blkid)
11147
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
526 {
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
527 zbookmark_t czb;
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
528 uint32_t flags = ARC_NOWAIT | ARC_PREFETCH;
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
529
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
530 if (zfs_no_scrub_prefetch)
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
531 return;
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
532
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
533 if (BP_IS_HOLE(bp) || bp->blk_birth <= scn->scn_phys.scn_min_txg ||
11147
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
534 (BP_GET_LEVEL(bp) == 0 && BP_GET_TYPE(bp) != DMU_OT_DNODE))
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
535 return;
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
536
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
537 SET_BOOKMARK(&czb, objset, object, BP_GET_LEVEL(bp), blkid);
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
538
12470
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
539 (void) arc_read(scn->scn_zio_root, scn->scn_dp->dp_spa, bp,
13941
d48547176ab4 3498 panic in arc_read(): !refcount_is_zero(&pbuf->b_hdr->b_refcnt)
George Wilson <george.wilson@delphix.com>
parents: 13765
diff changeset
540 NULL, NULL, ZIO_PRIORITY_ASYNC_READ,
12586
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
541 ZIO_FLAG_CANFAIL | ZIO_FLAG_SCAN_THREAD, &flags, &czb);
11147
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
542 }
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
543
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
544 static boolean_t
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
545 dsl_scan_check_resume(dsl_scan_t *scn, const dnode_phys_t *dnp,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
546 const zbookmark_t *zb)
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
547 {
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
548 /*
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
549 * We never skip over user/group accounting objects (obj<0)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
550 */
13700
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
551 if (!ZB_IS_ZERO(&scn->scn_phys.scn_bookmark) &&
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
552 (int64_t)zb->zb_object >= 0) {
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
553 /*
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
554 * If we already visited this bp & everything below (in
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
555 * a prior txg sync), don't bother doing it again.
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
556 */
13700
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
557 if (zbookmark_is_before(dnp, zb, &scn->scn_phys.scn_bookmark))
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
558 return (B_TRUE);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
559
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
560 /*
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
561 * If we found the block we're trying to resume from, or
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
562 * we went past it to a different object, zero it out to
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
563 * indicate that it's OK to start checking for pausing
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
564 * again.
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
565 */
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
566 if (bcmp(zb, &scn->scn_phys.scn_bookmark, sizeof (*zb)) == 0 ||
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
567 zb->zb_object > scn->scn_phys.scn_bookmark.zb_object) {
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
568 dprintf("resuming at %llx/%llx/%llx/%llx\n",
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
569 (longlong_t)zb->zb_objset,
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
570 (longlong_t)zb->zb_object,
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
571 (longlong_t)zb->zb_level,
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
572 (longlong_t)zb->zb_blkid);
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
573 bzero(&scn->scn_phys.scn_bookmark, sizeof (*zb));
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
574 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
575 }
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
576 return (B_FALSE);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
577 }
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
578
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
579 /*
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
580 * Return nonzero on i/o error.
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
581 * Return new buf to write out in *bufp.
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
582 */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
583 static int
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
584 dsl_scan_recurse(dsl_scan_t *scn, dsl_dataset_t *ds, dmu_objset_type_t ostype,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
585 dnode_phys_t *dnp, const blkptr_t *bp,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
586 const zbookmark_t *zb, dmu_tx_t *tx, arc_buf_t **bufp)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
587 {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
588 dsl_pool_t *dp = scn->scn_dp;
12586
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
589 int zio_flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCAN_THREAD;
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
590 int err;
11147
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
591
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
592 if (BP_GET_LEVEL(bp) > 0) {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
593 uint32_t flags = ARC_WAIT;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
594 int i;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
595 blkptr_t *cbp;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
596 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
597
13941
d48547176ab4 3498 panic in arc_read(): !refcount_is_zero(&pbuf->b_hdr->b_refcnt)
George Wilson <george.wilson@delphix.com>
parents: 13765
diff changeset
598 err = arc_read(NULL, dp->dp_spa, bp, arc_getbuf_func, bufp,
12586
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
599 ZIO_PRIORITY_ASYNC_READ, zio_flags, &flags, zb);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
600 if (err) {
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
601 scn->scn_phys.scn_errors++;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
602 return (err);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
603 }
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
604 for (i = 0, cbp = (*bufp)->b_data; i < epb; i++, cbp++) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
605 dsl_scan_prefetch(scn, *bufp, cbp, zb->zb_objset,
11147
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
606 zb->zb_object, zb->zb_blkid * epb + i);
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
607 }
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
608 for (i = 0, cbp = (*bufp)->b_data; i < epb; i++, cbp++) {
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
609 zbookmark_t czb;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
610
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
611 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object,
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
612 zb->zb_level - 1,
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
613 zb->zb_blkid * epb + i);
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
614 dsl_scan_visitbp(cbp, &czb, dnp,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
615 *bufp, ds, scn, ostype, tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
616 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
617 } else if (BP_GET_TYPE(bp) == DMU_OT_USERGROUP_USED) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
618 uint32_t flags = ARC_WAIT;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
619
13941
d48547176ab4 3498 panic in arc_read(): !refcount_is_zero(&pbuf->b_hdr->b_refcnt)
George Wilson <george.wilson@delphix.com>
parents: 13765
diff changeset
620 err = arc_read(NULL, dp->dp_spa, bp, arc_getbuf_func, bufp,
12586
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
621 ZIO_PRIORITY_ASYNC_READ, zio_flags, &flags, zb);
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
622 if (err) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
623 scn->scn_phys.scn_errors++;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
624 return (err);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
625 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
626 } else if (BP_GET_TYPE(bp) == DMU_OT_DNODE) {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
627 uint32_t flags = ARC_WAIT;
11147
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
628 dnode_phys_t *cdnp;
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
629 int i, j;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
630 int epb = BP_GET_LSIZE(bp) >> DNODE_SHIFT;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
631
13941
d48547176ab4 3498 panic in arc_read(): !refcount_is_zero(&pbuf->b_hdr->b_refcnt)
George Wilson <george.wilson@delphix.com>
parents: 13765
diff changeset
632 err = arc_read(NULL, dp->dp_spa, bp, arc_getbuf_func, bufp,
12586
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
633 ZIO_PRIORITY_ASYNC_READ, zio_flags, &flags, zb);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
634 if (err) {
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
635 scn->scn_phys.scn_errors++;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
636 return (err);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
637 }
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
638 for (i = 0, cdnp = (*bufp)->b_data; i < epb; i++, cdnp++) {
11147
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
639 for (j = 0; j < cdnp->dn_nblkptr; j++) {
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
640 blkptr_t *cbp = &cdnp->dn_blkptr[j];
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
641 dsl_scan_prefetch(scn, *bufp, cbp,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
642 zb->zb_objset, zb->zb_blkid * epb + i, j);
11147
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
643 }
74e8c05021f1 6678033 resilver code should prefetch
George Wilson <George.Wilson@Sun.COM>
parents: 11137
diff changeset
644 }
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
645 for (i = 0, cdnp = (*bufp)->b_data; i < epb; i++, cdnp++) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
646 dsl_scan_visitdnode(scn, ds, ostype,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
647 cdnp, *bufp, zb->zb_blkid * epb + i, tx);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
648 }
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
649
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
650 } else if (BP_GET_TYPE(bp) == DMU_OT_OBJSET) {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
651 uint32_t flags = ARC_WAIT;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
652 objset_phys_t *osp;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
653
13941
d48547176ab4 3498 panic in arc_read(): !refcount_is_zero(&pbuf->b_hdr->b_refcnt)
George Wilson <george.wilson@delphix.com>
parents: 13765
diff changeset
654 err = arc_read(NULL, dp->dp_spa, bp, arc_getbuf_func, bufp,
12586
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
655 ZIO_PRIORITY_ASYNC_READ, zio_flags, &flags, zb);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
656 if (err) {
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
657 scn->scn_phys.scn_errors++;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
658 return (err);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
659 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
660
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
661 osp = (*bufp)->b_data;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
662
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
663 dsl_scan_visitdnode(scn, ds, osp->os_type,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
664 &osp->os_meta_dnode, *bufp, DMU_META_DNODE_OBJECT, tx);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
665
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
666 if (OBJSET_BUF_HAS_USERUSED(*bufp)) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
667 /*
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
668 * We also always visit user/group accounting
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
669 * objects, and never skip them, even if we are
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
670 * pausing. This is necessary so that the space
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
671 * deltas from this txg get integrated.
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
672 */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
673 dsl_scan_visitdnode(scn, ds, osp->os_type,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
674 &osp->os_groupused_dnode, *bufp,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
675 DMU_GROUPUSED_OBJECT, tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
676 dsl_scan_visitdnode(scn, ds, osp->os_type,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
677 &osp->os_userused_dnode, *bufp,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
678 DMU_USERUSED_OBJECT, tx);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
679 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
680 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
681
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
682 return (0);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
683 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
684
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
685 static void
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
686 dsl_scan_visitdnode(dsl_scan_t *scn, dsl_dataset_t *ds,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
687 dmu_objset_type_t ostype, dnode_phys_t *dnp, arc_buf_t *buf,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
688 uint64_t object, dmu_tx_t *tx)
9396
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 8746
diff changeset
689 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 8746
diff changeset
690 int j;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 8746
diff changeset
691
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 8746
diff changeset
692 for (j = 0; j < dnp->dn_nblkptr; j++) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 8746
diff changeset
693 zbookmark_t czb;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 8746
diff changeset
694
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
695 SET_BOOKMARK(&czb, ds ? ds->ds_object : 0, object,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
696 dnp->dn_nlevels - 1, j);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
697 dsl_scan_visitbp(&dnp->dn_blkptr[j],
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
698 &czb, dnp, buf, ds, scn, ostype, tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
699 }
11935
538c866aaac6 6716117 ZFS needs native system attribute infrastructure
Mark Shellenbaum <Mark.Shellenbaum@Sun.COM>
parents: 11815
diff changeset
700
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
701 if (dnp->dn_flags & DNODE_FLAG_SPILL_BLKPTR) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
702 zbookmark_t czb;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
703 SET_BOOKMARK(&czb, ds ? ds->ds_object : 0, object,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
704 0, DMU_SPILL_BLKID);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
705 dsl_scan_visitbp(&dnp->dn_spill,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
706 &czb, dnp, buf, ds, scn, ostype, tx);
9396
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 8746
diff changeset
707 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 8746
diff changeset
708 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 8746
diff changeset
709
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
710 /*
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
711 * The arguments are in this order because mdb can only print the
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
712 * first 5; we want them to be useful.
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
713 */
9396
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 8746
diff changeset
714 static void
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
715 dsl_scan_visitbp(blkptr_t *bp, const zbookmark_t *zb,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
716 dnode_phys_t *dnp, arc_buf_t *pbuf,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
717 dsl_dataset_t *ds, dsl_scan_t *scn, dmu_objset_type_t ostype,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
718 dmu_tx_t *tx)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
719 {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
720 dsl_pool_t *dp = scn->scn_dp;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
721 arc_buf_t *buf = NULL;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
722 blkptr_t bp_toread = *bp;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
723
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
724 /* ASSERT(pbuf == NULL || arc_released(pbuf)); */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
725
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
726 if (dsl_scan_check_pause(scn, zb))
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
727 return;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
728
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
729 if (dsl_scan_check_resume(scn, dnp, zb))
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
730 return;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
731
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
732 if (bp->blk_birth == 0)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
733 return;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
734
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
735 scn->scn_visited_this_txg++;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
736
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
737 dprintf_bp(bp,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
738 "visiting ds=%p/%llu zb=%llx/%llx/%llx/%llx buf=%p bp=%p",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
739 ds, ds ? ds->ds_object : 0,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
740 zb->zb_objset, zb->zb_object, zb->zb_level, zb->zb_blkid,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
741 pbuf, bp);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
742
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
743 if (bp->blk_birth <= scn->scn_phys.scn_cur_min_txg)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
744 return;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
745
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
746 if (dsl_scan_recurse(scn, ds, ostype, dnp, &bp_toread, zb, tx,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
747 &buf) != 0)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
748 return;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
749
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
750 /*
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
751 * If dsl_scan_ddt() has aready visited this block, it will have
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
752 * already done any translations or scrubbing, so don't call the
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
753 * callback again.
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
754 */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
755 if (ddt_class_contains(dp->dp_spa,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
756 scn->scn_phys.scn_ddt_class_max, bp)) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
757 ASSERT(buf == NULL);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
758 return;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
759 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
760
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
761 /*
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
762 * If this block is from the future (after cur_max_txg), then we
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
763 * are doing this on behalf of a deleted snapshot, and we will
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
764 * revisit the future block on the next pass of this dataset.
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
765 * Don't scan it now unless we need to because something
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
766 * under it was modified.
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
767 */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
768 if (bp->blk_birth <= scn->scn_phys.scn_cur_max_txg) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
769 scan_funcs[scn->scn_phys.scn_func](dp, bp, zb);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
770 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
771 if (buf)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
772 (void) arc_buf_remove_ref(buf, &buf);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
773 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
774
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
775 static void
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
776 dsl_scan_visit_rootbp(dsl_scan_t *scn, dsl_dataset_t *ds, blkptr_t *bp,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
777 dmu_tx_t *tx)
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
778 {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
779 zbookmark_t zb;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
780
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
781 SET_BOOKMARK(&zb, ds ? ds->ds_object : DMU_META_OBJSET,
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
782 ZB_ROOT_OBJECT, ZB_ROOT_LEVEL, ZB_ROOT_BLKID);
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
783 dsl_scan_visitbp(bp, &zb, NULL, NULL,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
784 ds, scn, DMU_OST_NONE, tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
785
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
786 dprintf_ds(ds, "finished scan%s", "");
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
787 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
788
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
789 void
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
790 dsl_scan_ds_destroyed(dsl_dataset_t *ds, dmu_tx_t *tx)
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
791 {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
792 dsl_pool_t *dp = ds->ds_dir->dd_pool;
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
793 dsl_scan_t *scn = dp->dp_scan;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
794 uint64_t mintxg;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
795
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
796 if (scn->scn_phys.scn_state != DSS_SCANNING)
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
797 return;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
798
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
799 if (scn->scn_phys.scn_bookmark.zb_objset == ds->ds_object) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
800 if (dsl_dataset_is_snapshot(ds)) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
801 /* Note, scn_cur_{min,max}_txg stays the same. */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
802 scn->scn_phys.scn_bookmark.zb_objset =
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
803 ds->ds_phys->ds_next_snap_obj;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
804 zfs_dbgmsg("destroying ds %llu; currently traversing; "
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
805 "reset zb_objset to %llu",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
806 (u_longlong_t)ds->ds_object,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
807 (u_longlong_t)ds->ds_phys->ds_next_snap_obj);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
808 scn->scn_phys.scn_flags |= DSF_VISIT_DS_AGAIN;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
809 } else {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
810 SET_BOOKMARK(&scn->scn_phys.scn_bookmark,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
811 ZB_DESTROYED_OBJSET, 0, 0, 0);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
812 zfs_dbgmsg("destroying ds %llu; currently traversing; "
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
813 "reset bookmark to -1,0,0,0",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
814 (u_longlong_t)ds->ds_object);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
815 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
816 } else if (zap_lookup_int_key(dp->dp_meta_objset,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
817 scn->scn_phys.scn_queue_obj, ds->ds_object, &mintxg) == 0) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
818 ASSERT3U(ds->ds_phys->ds_num_children, <=, 1);
13765
9410cf539b11 backout 3006: causes 3046 (panics after mounting root)
Richard Lowe <richlowe@richlowe.net>
parents: 13764
diff changeset
819 VERIFY3U(0, ==, zap_remove_int(dp->dp_meta_objset,
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
820 scn->scn_phys.scn_queue_obj, ds->ds_object, tx));
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
821 if (dsl_dataset_is_snapshot(ds)) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
822 /*
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
823 * We keep the same mintxg; it could be >
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
824 * ds_creation_txg if the previous snapshot was
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
825 * deleted too.
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
826 */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
827 VERIFY(zap_add_int_key(dp->dp_meta_objset,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
828 scn->scn_phys.scn_queue_obj,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
829 ds->ds_phys->ds_next_snap_obj, mintxg, tx) == 0);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
830 zfs_dbgmsg("destroying ds %llu; in queue; "
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
831 "replacing with %llu",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
832 (u_longlong_t)ds->ds_object,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
833 (u_longlong_t)ds->ds_phys->ds_next_snap_obj);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
834 } else {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
835 zfs_dbgmsg("destroying ds %llu; in queue; removing",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
836 (u_longlong_t)ds->ds_object);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
837 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
838 } else {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
839 zfs_dbgmsg("destroying ds %llu; ignoring",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
840 (u_longlong_t)ds->ds_object);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
841 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
842
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
843 /*
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
844 * dsl_scan_sync() should be called after this, and should sync
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
845 * out our changed state, but just to be safe, do it here.
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
846 */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
847 dsl_scan_sync_state(scn, tx);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
848 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
849
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
850 void
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
851 dsl_scan_ds_snapshotted(dsl_dataset_t *ds, dmu_tx_t *tx)
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
852 {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
853 dsl_pool_t *dp = ds->ds_dir->dd_pool;
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
854 dsl_scan_t *scn = dp->dp_scan;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
855 uint64_t mintxg;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
856
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
857 if (scn->scn_phys.scn_state != DSS_SCANNING)
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
858 return;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
859
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
860 ASSERT(ds->ds_phys->ds_prev_snap_obj != 0);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
861
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
862 if (scn->scn_phys.scn_bookmark.zb_objset == ds->ds_object) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
863 scn->scn_phys.scn_bookmark.zb_objset =
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
864 ds->ds_phys->ds_prev_snap_obj;
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
865 zfs_dbgmsg("snapshotting ds %llu; currently traversing; "
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
866 "reset zb_objset to %llu",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
867 (u_longlong_t)ds->ds_object,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
868 (u_longlong_t)ds->ds_phys->ds_prev_snap_obj);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
869 } else if (zap_lookup_int_key(dp->dp_meta_objset,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
870 scn->scn_phys.scn_queue_obj, ds->ds_object, &mintxg) == 0) {
13765
9410cf539b11 backout 3006: causes 3046 (panics after mounting root)
Richard Lowe <richlowe@richlowe.net>
parents: 13764
diff changeset
871 VERIFY3U(0, ==, zap_remove_int(dp->dp_meta_objset,
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
872 scn->scn_phys.scn_queue_obj, ds->ds_object, tx));
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
873 VERIFY(zap_add_int_key(dp->dp_meta_objset,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
874 scn->scn_phys.scn_queue_obj,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
875 ds->ds_phys->ds_prev_snap_obj, mintxg, tx) == 0);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
876 zfs_dbgmsg("snapshotting ds %llu; in queue; "
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
877 "replacing with %llu",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
878 (u_longlong_t)ds->ds_object,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
879 (u_longlong_t)ds->ds_phys->ds_prev_snap_obj);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
880 }
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
881 dsl_scan_sync_state(scn, tx);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
882 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
883
7837
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
884 void
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
885 dsl_scan_ds_clone_swapped(dsl_dataset_t *ds1, dsl_dataset_t *ds2, dmu_tx_t *tx)
7837
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
886 {
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
887 dsl_pool_t *dp = ds1->ds_dir->dd_pool;
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
888 dsl_scan_t *scn = dp->dp_scan;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
889 uint64_t mintxg;
7837
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
890
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
891 if (scn->scn_phys.scn_state != DSS_SCANNING)
7837
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
892 return;
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
893
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
894 if (scn->scn_phys.scn_bookmark.zb_objset == ds1->ds_object) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
895 scn->scn_phys.scn_bookmark.zb_objset = ds2->ds_object;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
896 zfs_dbgmsg("clone_swap ds %llu; currently traversing; "
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
897 "reset zb_objset to %llu",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
898 (u_longlong_t)ds1->ds_object,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
899 (u_longlong_t)ds2->ds_object);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
900 } else if (scn->scn_phys.scn_bookmark.zb_objset == ds2->ds_object) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
901 scn->scn_phys.scn_bookmark.zb_objset = ds1->ds_object;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
902 zfs_dbgmsg("clone_swap ds %llu; currently traversing; "
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
903 "reset zb_objset to %llu",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
904 (u_longlong_t)ds2->ds_object,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
905 (u_longlong_t)ds1->ds_object);
7837
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
906 }
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
907
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
908 if (zap_lookup_int_key(dp->dp_meta_objset, scn->scn_phys.scn_queue_obj,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
909 ds1->ds_object, &mintxg) == 0) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
910 int err;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
911
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
912 ASSERT3U(mintxg, ==, ds1->ds_phys->ds_prev_snap_txg);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
913 ASSERT3U(mintxg, ==, ds2->ds_phys->ds_prev_snap_txg);
13765
9410cf539b11 backout 3006: causes 3046 (panics after mounting root)
Richard Lowe <richlowe@richlowe.net>
parents: 13764
diff changeset
914 VERIFY3U(0, ==, zap_remove_int(dp->dp_meta_objset,
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
915 scn->scn_phys.scn_queue_obj, ds1->ds_object, tx));
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
916 err = zap_add_int_key(dp->dp_meta_objset,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
917 scn->scn_phys.scn_queue_obj, ds2->ds_object, mintxg, tx);
7837
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
918 VERIFY(err == 0 || err == EEXIST);
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
919 if (err == EEXIST) {
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
920 /* Both were there to begin with */
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
921 VERIFY(0 == zap_add_int_key(dp->dp_meta_objset,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
922 scn->scn_phys.scn_queue_obj,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
923 ds1->ds_object, mintxg, tx));
7837
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
924 }
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
925 zfs_dbgmsg("clone_swap ds %llu; in queue; "
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
926 "replacing with %llu",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
927 (u_longlong_t)ds1->ds_object,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
928 (u_longlong_t)ds2->ds_object);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
929 } else if (zap_lookup_int_key(dp->dp_meta_objset,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
930 scn->scn_phys.scn_queue_obj, ds2->ds_object, &mintxg) == 0) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
931 ASSERT3U(mintxg, ==, ds1->ds_phys->ds_prev_snap_txg);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
932 ASSERT3U(mintxg, ==, ds2->ds_phys->ds_prev_snap_txg);
13765
9410cf539b11 backout 3006: causes 3046 (panics after mounting root)
Richard Lowe <richlowe@richlowe.net>
parents: 13764
diff changeset
933 VERIFY3U(0, ==, zap_remove_int(dp->dp_meta_objset,
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
934 scn->scn_phys.scn_queue_obj, ds2->ds_object, tx));
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
935 VERIFY(0 == zap_add_int_key(dp->dp_meta_objset,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
936 scn->scn_phys.scn_queue_obj, ds1->ds_object, mintxg, tx));
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
937 zfs_dbgmsg("clone_swap ds %llu; in queue; "
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
938 "replacing with %llu",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
939 (u_longlong_t)ds2->ds_object,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
940 (u_longlong_t)ds1->ds_object);
7837
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
941 }
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
942
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
943 dsl_scan_sync_state(scn, tx);
7837
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
944 }
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
945
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
946 struct enqueue_clones_arg {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
947 dmu_tx_t *tx;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
948 uint64_t originobj;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
949 };
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
950
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
951 /* ARGSUSED */
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
952 static int
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
953 enqueue_clones_cb(spa_t *spa, uint64_t dsobj, const char *dsname, void *arg)
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
954 {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
955 struct enqueue_clones_arg *eca = arg;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
956 dsl_dataset_t *ds;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
957 int err;
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
958 dsl_pool_t *dp = spa->spa_dsl_pool;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
959 dsl_scan_t *scn = dp->dp_scan;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
960
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
961 err = dsl_dataset_hold_obj(dp, dsobj, FTAG, &ds);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
962 if (err)
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
963 return (err);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
964
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
965 if (ds->ds_dir->dd_phys->dd_origin_obj == eca->originobj) {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
966 while (ds->ds_phys->ds_prev_snap_obj != eca->originobj) {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
967 dsl_dataset_t *prev;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
968 err = dsl_dataset_hold_obj(dp,
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
969 ds->ds_phys->ds_prev_snap_obj, FTAG, &prev);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
970
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
971 dsl_dataset_rele(ds, FTAG);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
972 if (err)
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
973 return (err);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
974 ds = prev;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
975 }
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
976 VERIFY(zap_add_int_key(dp->dp_meta_objset,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
977 scn->scn_phys.scn_queue_obj, ds->ds_object,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
978 ds->ds_phys->ds_prev_snap_txg, eca->tx) == 0);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
979 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
980 dsl_dataset_rele(ds, FTAG);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
981 return (0);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
982 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
983
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
984 static void
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
985 dsl_scan_visitds(dsl_scan_t *scn, uint64_t dsobj, dmu_tx_t *tx)
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
986 {
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
987 dsl_pool_t *dp = scn->scn_dp;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
988 dsl_dataset_t *ds;
12839
1eab9192da8b 6844896 recursive snapshots take a long time
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12586
diff changeset
989 objset_t *os;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
990
13765
9410cf539b11 backout 3006: causes 3046 (panics after mounting root)
Richard Lowe <richlowe@richlowe.net>
parents: 13764
diff changeset
991 VERIFY3U(0, ==, dsl_dataset_hold_obj(dp, dsobj, FTAG, &ds));
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
992
12839
1eab9192da8b 6844896 recursive snapshots take a long time
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12586
diff changeset
993 if (dmu_objset_from_ds(ds, &os))
1eab9192da8b 6844896 recursive snapshots take a long time
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12586
diff changeset
994 goto out;
1eab9192da8b 6844896 recursive snapshots take a long time
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12586
diff changeset
995
1eab9192da8b 6844896 recursive snapshots take a long time
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12586
diff changeset
996 /*
1eab9192da8b 6844896 recursive snapshots take a long time
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12586
diff changeset
997 * Only the ZIL in the head (non-snapshot) is valid. Even though
1eab9192da8b 6844896 recursive snapshots take a long time
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12586
diff changeset
998 * snapshots can have ZIL block pointers (which may be the same
1eab9192da8b 6844896 recursive snapshots take a long time
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12586
diff changeset
999 * BP as in the head), they must be ignored. So we traverse the
1eab9192da8b 6844896 recursive snapshots take a long time
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12586
diff changeset
1000 * ZIL here, rather than in scan_recurse(), because the regular
1eab9192da8b 6844896 recursive snapshots take a long time
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12586
diff changeset
1001 * snapshot block-sharing rules don't apply to it.
1eab9192da8b 6844896 recursive snapshots take a long time
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12586
diff changeset
1002 */
1eab9192da8b 6844896 recursive snapshots take a long time
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12586
diff changeset
1003 if (DSL_SCAN_IS_SCRUB_RESILVER(scn) && !dsl_dataset_is_snapshot(ds))
1eab9192da8b 6844896 recursive snapshots take a long time
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12586
diff changeset
1004 dsl_scan_zil(dp, &os->os_zil_header);
1eab9192da8b 6844896 recursive snapshots take a long time
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12586
diff changeset
1005
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1006 /*
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1007 * Iterate over the bps in this ds.
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1008 */
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1009 dmu_buf_will_dirty(ds->ds_dbuf, tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1010 dsl_scan_visit_rootbp(scn, ds, &ds->ds_phys->ds_bp, tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1011
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1012 char *dsname = kmem_alloc(ZFS_MAXNAMELEN, KM_SLEEP);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1013 dsl_dataset_name(ds, dsname);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1014 zfs_dbgmsg("scanned dataset %llu (%s) with min=%llu max=%llu; "
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1015 "pausing=%u",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1016 (longlong_t)dsobj, dsname,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1017 (longlong_t)scn->scn_phys.scn_cur_min_txg,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1018 (longlong_t)scn->scn_phys.scn_cur_max_txg,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1019 (int)scn->scn_pausing);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1020 kmem_free(dsname, ZFS_MAXNAMELEN);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1021
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1022 if (scn->scn_pausing)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1023 goto out;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1024
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1025 /*
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1026 * We've finished this pass over this dataset.
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1027 */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1028
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1029 /*
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1030 * If we did not completely visit this dataset, do another pass.
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1031 */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1032 if (scn->scn_phys.scn_flags & DSF_VISIT_DS_AGAIN) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1033 zfs_dbgmsg("incomplete pass; visiting again");
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1034 scn->scn_phys.scn_flags &= ~DSF_VISIT_DS_AGAIN;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1035 VERIFY(zap_add_int_key(dp->dp_meta_objset,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1036 scn->scn_phys.scn_queue_obj, ds->ds_object,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1037 scn->scn_phys.scn_cur_max_txg, tx) == 0);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1038 goto out;
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1039 }
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1040
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1041 /*
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1042 * Add descendent datasets to work queue.
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1043 */
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1044 if (ds->ds_phys->ds_next_snap_obj != 0) {
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1045 VERIFY(zap_add_int_key(dp->dp_meta_objset,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1046 scn->scn_phys.scn_queue_obj, ds->ds_phys->ds_next_snap_obj,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1047 ds->ds_phys->ds_creation_txg, tx) == 0);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1048 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1049 if (ds->ds_phys->ds_num_children > 1) {
10801
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1050 boolean_t usenext = B_FALSE;
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1051 if (ds->ds_phys->ds_next_clones_obj != 0) {
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1052 uint64_t count;
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1053 /*
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1054 * A bug in a previous version of the code could
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1055 * cause upgrade_clones_cb() to not set
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1056 * ds_next_snap_obj when it should, leading to a
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1057 * missing entry. Therefore we can only use the
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1058 * next_clones_obj when its count is correct.
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1059 */
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1060 int err = zap_count(dp->dp_meta_objset,
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1061 ds->ds_phys->ds_next_clones_obj, &count);
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1062 if (err == 0 &&
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1063 count == ds->ds_phys->ds_num_children - 1)
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1064 usenext = B_TRUE;
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1065 }
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1066
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1067 if (usenext) {
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1068 VERIFY(zap_join_key(dp->dp_meta_objset,
10801
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1069 ds->ds_phys->ds_next_clones_obj,
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1070 scn->scn_phys.scn_queue_obj,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1071 ds->ds_phys->ds_creation_txg, tx) == 0);
10801
e0bf032e8673 6822816 assertion failed: zap_remove_int(ds_next_clones_obj) returns ENOENT
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 10685
diff changeset
1072 } else {
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1073 struct enqueue_clones_arg eca;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1074 eca.tx = tx;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1075 eca.originobj = ds->ds_object;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1076
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1077 (void) dmu_objset_find_spa(ds->ds_dir->dd_pool->dp_spa,
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1078 NULL, enqueue_clones_cb, &eca, DS_FIND_CHILDREN);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1079 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1080 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1081
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1082 out:
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1083 dsl_dataset_rele(ds, FTAG);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1084 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1085
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1086 /* ARGSUSED */
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1087 static int
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1088 enqueue_cb(spa_t *spa, uint64_t dsobj, const char *dsname, void *arg)
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1089 {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1090 dmu_tx_t *tx = arg;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1091 dsl_dataset_t *ds;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1092 int err;
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1093 dsl_pool_t *dp = spa->spa_dsl_pool;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1094 dsl_scan_t *scn = dp->dp_scan;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1095
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1096 err = dsl_dataset_hold_obj(dp, dsobj, FTAG, &ds);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1097 if (err)
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1098 return (err);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1099
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1100 while (ds->ds_phys->ds_prev_snap_obj != 0) {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1101 dsl_dataset_t *prev;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1102 err = dsl_dataset_hold_obj(dp, ds->ds_phys->ds_prev_snap_obj,
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1103 FTAG, &prev);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1104 if (err) {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1105 dsl_dataset_rele(ds, FTAG);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1106 return (err);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1107 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1108
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1109 /*
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1110 * If this is a clone, we don't need to worry about it for now.
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1111 */
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1112 if (prev->ds_phys->ds_next_snap_obj != ds->ds_object) {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1113 dsl_dataset_rele(ds, FTAG);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1114 dsl_dataset_rele(prev, FTAG);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1115 return (0);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1116 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1117 dsl_dataset_rele(ds, FTAG);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1118 ds = prev;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1119 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1120
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1121 VERIFY(zap_add_int_key(dp->dp_meta_objset, scn->scn_phys.scn_queue_obj,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1122 ds->ds_object, ds->ds_phys->ds_prev_snap_txg, tx) == 0);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1123 dsl_dataset_rele(ds, FTAG);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1124 return (0);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1125 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1126
11125
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1127 /*
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1128 * Scrub/dedup interaction.
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1129 *
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1130 * If there are N references to a deduped block, we don't want to scrub it
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1131 * N times -- ideally, we should scrub it exactly once.
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1132 *
11619
d3fb7ae6fe56 6909744 dedup should be set to off when a ZVOL is dumpified
George Wilson <George.Wilson@Sun.COM>
parents: 11182
diff changeset
1133 * We leverage the fact that the dde's replication class (enum ddt_class)
d3fb7ae6fe56 6909744 dedup should be set to off when a ZVOL is dumpified
George Wilson <George.Wilson@Sun.COM>
parents: 11182
diff changeset
1134 * is ordered from highest replication class (DDT_CLASS_DITTO) to lowest
d3fb7ae6fe56 6909744 dedup should be set to off when a ZVOL is dumpified
George Wilson <George.Wilson@Sun.COM>
parents: 11182
diff changeset
1135 * (DDT_CLASS_UNIQUE) so that we may walk the DDT in that order.
d3fb7ae6fe56 6909744 dedup should be set to off when a ZVOL is dumpified
George Wilson <George.Wilson@Sun.COM>
parents: 11182
diff changeset
1136 *
11125
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1137 * To prevent excess scrubbing, the scrub begins by walking the DDT
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1138 * to find all blocks with refcnt > 1, and scrubs each of these once.
11619
d3fb7ae6fe56 6909744 dedup should be set to off when a ZVOL is dumpified
George Wilson <George.Wilson@Sun.COM>
parents: 11182
diff changeset
1139 * Since there are two replication classes which contain blocks with
d3fb7ae6fe56 6909744 dedup should be set to off when a ZVOL is dumpified
George Wilson <George.Wilson@Sun.COM>
parents: 11182
diff changeset
1140 * refcnt > 1, we scrub the highest replication class (DDT_CLASS_DITTO) first.
d3fb7ae6fe56 6909744 dedup should be set to off when a ZVOL is dumpified
George Wilson <George.Wilson@Sun.COM>
parents: 11182
diff changeset
1141 * Finally the top-down scrub begins, only visiting blocks with refcnt == 1.
11125
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1142 *
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1143 * There would be nothing more to say if a block's refcnt couldn't change
11619
d3fb7ae6fe56 6909744 dedup should be set to off when a ZVOL is dumpified
George Wilson <George.Wilson@Sun.COM>
parents: 11182
diff changeset
1144 * during a scrub, but of course it can so we must account for changes
d3fb7ae6fe56 6909744 dedup should be set to off when a ZVOL is dumpified
George Wilson <George.Wilson@Sun.COM>
parents: 11182
diff changeset
1145 * in a block's replication class.
d3fb7ae6fe56 6909744 dedup should be set to off when a ZVOL is dumpified
George Wilson <George.Wilson@Sun.COM>
parents: 11182
diff changeset
1146 *
d3fb7ae6fe56 6909744 dedup should be set to off when a ZVOL is dumpified
George Wilson <George.Wilson@Sun.COM>
parents: 11182
diff changeset
1147 * Here's an example of what can occur:
11125
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1148 *
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1149 * If a block has refcnt > 1 during the DDT scrub phase, but has refcnt == 1
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1150 * when visited during the top-down scrub phase, it will be scrubbed twice.
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1151 * This negates our scrub optimization, but is otherwise harmless.
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1152 *
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1153 * If a block has refcnt == 1 during the DDT scrub phase, but has refcnt > 1
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1154 * on each visit during the top-down scrub phase, it will never be scrubbed.
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1155 * To catch this, ddt_sync_entry() notifies the scrub code whenever a block's
11619
d3fb7ae6fe56 6909744 dedup should be set to off when a ZVOL is dumpified
George Wilson <George.Wilson@Sun.COM>
parents: 11182
diff changeset
1156 * reference class transitions to a higher level (i.e DDT_CLASS_UNIQUE to
d3fb7ae6fe56 6909744 dedup should be set to off when a ZVOL is dumpified
George Wilson <George.Wilson@Sun.COM>
parents: 11182
diff changeset
1157 * DDT_CLASS_DUPLICATE); if it transitions from refcnt == 1 to refcnt > 1
11125
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1158 * while a scrub is in progress, it scrubs the block right then.
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1159 */
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
1160 static void
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1161 dsl_scan_ddt(dsl_scan_t *scn, dmu_tx_t *tx)
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
1162 {
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1163 ddt_bookmark_t *ddb = &scn->scn_phys.scn_ddt_bookmark;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1164 ddt_entry_t dde = { 0 };
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
1165 int error;
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1166 uint64_t n = 0;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1167
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1168 while ((error = ddt_walk(scn->scn_dp->dp_spa, ddb, &dde)) == 0) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1169 ddt_t *ddt;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1170
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1171 if (ddb->ddb_class > scn->scn_phys.scn_ddt_class_max)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1172 break;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1173 dprintf("visiting ddb=%llu/%llu/%llu/%llx\n",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1174 (longlong_t)ddb->ddb_class,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1175 (longlong_t)ddb->ddb_type,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1176 (longlong_t)ddb->ddb_checksum,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1177 (longlong_t)ddb->ddb_cursor);
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
1178
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1179 /* There should be no pending changes to the dedup table */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1180 ddt = scn->scn_dp->dp_spa->spa_ddt[ddb->ddb_checksum];
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1181 ASSERT(avl_first(&ddt->ddt_tree) == NULL);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1182
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1183 dsl_scan_ddt_entry(scn, ddb->ddb_checksum, &dde, tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1184 n++;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1185
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1186 if (dsl_scan_check_pause(scn, NULL))
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1187 break;
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
1188 }
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1189
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1190 zfs_dbgmsg("scanned %llu ddt entries with class_max = %u; pausing=%u",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1191 (longlong_t)n, (int)scn->scn_phys.scn_ddt_class_max,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1192 (int)scn->scn_pausing);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1193
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1194 ASSERT(error == 0 || error == ENOENT);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1195 ASSERT(error != ENOENT ||
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1196 ddb->ddb_class > scn->scn_phys.scn_ddt_class_max);
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
1197 }
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
1198
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1199 /* ARGSUSED */
11125
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1200 void
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1201 dsl_scan_ddt_entry(dsl_scan_t *scn, enum zio_checksum checksum,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1202 ddt_entry_t *dde, dmu_tx_t *tx)
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
1203 {
11125
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1204 const ddt_key_t *ddk = &dde->dde_key;
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1205 ddt_phys_t *ddp = dde->dde_phys;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1206 blkptr_t bp;
11125
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1207 zbookmark_t zb = { 0 };
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1208
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1209 if (scn->scn_phys.scn_state != DSS_SCANNING)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1210 return;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1211
11125
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1212 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1213 if (ddp->ddp_phys_birth == 0 ||
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1214 ddp->ddp_phys_birth > scn->scn_phys.scn_cur_max_txg)
11125
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1215 continue;
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1216 ddt_bp_create(checksum, ddk, ddp, &bp);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1217
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1218 scn->scn_visited_this_txg++;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1219 scan_funcs[scn->scn_phys.scn_func](scn->scn_dp, &bp, &zb);
11125
fca3e6d28599 6899923 vdev_offline/vdev_add deadlock
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 11066
diff changeset
1220 }
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
1221 }
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
1222
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1223 static void
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1224 dsl_scan_visit(dsl_scan_t *scn, dmu_tx_t *tx)
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1225 {
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1226 dsl_pool_t *dp = scn->scn_dp;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1227 zap_cursor_t zc;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1228 zap_attribute_t za;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1229
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1230 if (scn->scn_phys.scn_ddt_bookmark.ddb_class <=
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1231 scn->scn_phys.scn_ddt_class_max) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1232 scn->scn_phys.scn_cur_min_txg = scn->scn_phys.scn_min_txg;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1233 scn->scn_phys.scn_cur_max_txg = scn->scn_phys.scn_max_txg;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1234 dsl_scan_ddt(scn, tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1235 if (scn->scn_pausing)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1236 return;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1237 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1238
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1239 if (scn->scn_phys.scn_bookmark.zb_objset == DMU_META_OBJSET) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1240 /* First do the MOS & ORIGIN */
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1241
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1242 scn->scn_phys.scn_cur_min_txg = scn->scn_phys.scn_min_txg;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1243 scn->scn_phys.scn_cur_max_txg = scn->scn_phys.scn_max_txg;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1244 dsl_scan_visit_rootbp(scn, NULL,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1245 &dp->dp_meta_rootbp, tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1246 spa_set_rootblkptr(dp->dp_spa, &dp->dp_meta_rootbp);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1247 if (scn->scn_pausing)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1248 return;
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
1249
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1250 if (spa_version(dp->dp_spa) < SPA_VERSION_DSL_SCRUB) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1251 VERIFY(0 == dmu_objset_find_spa(dp->dp_spa,
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1252 NULL, enqueue_cb, tx, DS_FIND_CHILDREN));
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1253 } else {
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1254 dsl_scan_visitds(scn,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1255 dp->dp_origin_snap->ds_object, tx);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1256 }
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1257 ASSERT(!scn->scn_pausing);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1258 } else if (scn->scn_phys.scn_bookmark.zb_objset !=
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1259 ZB_DESTROYED_OBJSET) {
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1260 /*
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1261 * If we were paused, continue from here. Note if the
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1262 * ds we were paused on was deleted, the zb_objset may
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1263 * be -1, so we will skip this and find a new objset
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1264 * below.
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1265 */
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1266 dsl_scan_visitds(scn, scn->scn_phys.scn_bookmark.zb_objset, tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1267 if (scn->scn_pausing)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1268 return;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1269 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1270
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1271 /*
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1272 * In case we were paused right at the end of the ds, zero the
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1273 * bookmark so we don't think that we're still trying to resume.
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1274 */
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1275 bzero(&scn->scn_phys.scn_bookmark, sizeof (zbookmark_t));
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1276
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1277 /* keep pulling things out of the zap-object-as-queue */
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1278 while (zap_cursor_init(&zc, dp->dp_meta_objset,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1279 scn->scn_phys.scn_queue_obj),
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1280 zap_cursor_retrieve(&zc, &za) == 0) {
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1281 dsl_dataset_t *ds;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1282 uint64_t dsobj;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1283
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1284 dsobj = strtonum(za.za_name, NULL);
13765
9410cf539b11 backout 3006: causes 3046 (panics after mounting root)
Richard Lowe <richlowe@richlowe.net>
parents: 13764
diff changeset
1285 VERIFY3U(0, ==, zap_remove_int(dp->dp_meta_objset,
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1286 scn->scn_phys.scn_queue_obj, dsobj, tx));
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1287
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1288 /* Set up min/max txg */
13765
9410cf539b11 backout 3006: causes 3046 (panics after mounting root)
Richard Lowe <richlowe@richlowe.net>
parents: 13764
diff changeset
1289 VERIFY3U(0, ==, dsl_dataset_hold_obj(dp, dsobj, FTAG, &ds));
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1290 if (za.za_first_integer != 0) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1291 scn->scn_phys.scn_cur_min_txg =
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1292 MAX(scn->scn_phys.scn_min_txg,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1293 za.za_first_integer);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1294 } else {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1295 scn->scn_phys.scn_cur_min_txg =
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1296 MAX(scn->scn_phys.scn_min_txg,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1297 ds->ds_phys->ds_prev_snap_txg);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1298 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1299 scn->scn_phys.scn_cur_max_txg = dsl_scan_ds_maxtxg(ds);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1300 dsl_dataset_rele(ds, FTAG);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1301
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1302 dsl_scan_visitds(scn, dsobj, tx);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1303 zap_cursor_fini(&zc);
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1304 if (scn->scn_pausing)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1305 return;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1306 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1307 zap_cursor_fini(&zc);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1308 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1309
13700
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1310 static boolean_t
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1311 dsl_scan_free_should_pause(dsl_scan_t *scn)
12470
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1312 {
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1313 uint64_t elapsed_nanosecs;
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1314
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1315 elapsed_nanosecs = gethrtime() - scn->scn_sync_start_time;
13700
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1316 return (elapsed_nanosecs / NANOSEC > zfs_txg_timeout ||
12470
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1317 (elapsed_nanosecs / MICROSEC > zfs_free_min_time_ms &&
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1318 txg_sync_waiting(scn->scn_dp)) ||
13700
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1319 spa_shutting_down(scn->scn_dp->dp_spa));
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1320 }
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1321
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1322 static int
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1323 dsl_scan_free_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx)
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1324 {
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1325 dsl_scan_t *scn = arg;
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1326
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1327 if (!scn->scn_is_bptree ||
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1328 (BP_GET_LEVEL(bp) == 0 && BP_GET_TYPE(bp) != DMU_OT_OBJSET)) {
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1329 if (dsl_scan_free_should_pause(scn))
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1330 return (ERESTART);
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1331 }
12470
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1332
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1333 zio_nowait(zio_free_sync(scn->scn_zio_root, scn->scn_dp->dp_spa,
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1334 dmu_tx_get_txg(tx), bp, 0));
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1335 dsl_dir_diduse_space(tx->tx_pool->dp_free_dir, DD_USED_HEAD,
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1336 -bp_get_dsize_sync(scn->scn_dp->dp_spa, bp),
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1337 -BP_GET_PSIZE(bp), -BP_GET_UCSIZE(bp), tx);
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1338 scn->scn_visited_this_txg++;
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1339 return (0);
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1340 }
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1341
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1342 boolean_t
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1343 dsl_scan_active(dsl_scan_t *scn)
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1344 {
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1345 spa_t *spa = scn->scn_dp->dp_spa;
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1346 uint64_t used = 0, comp, uncomp;
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1347
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1348 if (spa->spa_load_state != SPA_LOAD_NONE)
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1349 return (B_FALSE);
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1350 if (spa_shutting_down(spa))
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1351 return (B_FALSE);
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1352
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1353 if (scn->scn_phys.scn_state == DSS_SCANNING)
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1354 return (B_TRUE);
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1355
13700
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1356 if (spa_feature_is_active(spa,
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1357 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) {
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1358 return (B_TRUE);
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1359 }
12470
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1360 if (spa_version(scn->scn_dp->dp_spa) >= SPA_VERSION_DEADLISTS) {
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1361 (void) bpobj_space(&scn->scn_dp->dp_free_bpobj,
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1362 &used, &comp, &uncomp);
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1363 }
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1364 return (used != 0);
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1365 }
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1366
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1367 void
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1368 dsl_scan_sync(dsl_pool_t *dp, dmu_tx_t *tx)
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1369 {
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1370 dsl_scan_t *scn = dp->dp_scan;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1371 spa_t *spa = dp->dp_spa;
12470
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1372 int err;
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1373
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1374 /*
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1375 * Check for scn_restart_txg before checking spa_load_state, so
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1376 * that we can restart an old-style scan while the pool is being
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1377 * imported (see dsl_scan_init).
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1378 */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1379 if (scn->scn_restart_txg != 0 &&
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1380 scn->scn_restart_txg <= tx->tx_txg) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1381 pool_scan_func_t func = POOL_SCAN_SCRUB;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1382 dsl_scan_done(scn, B_FALSE, tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1383 if (vdev_resilver_needed(spa->spa_root_vdev, NULL, NULL))
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1384 func = POOL_SCAN_RESILVER;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1385 zfs_dbgmsg("restarting scan func=%u txg=%llu",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1386 func, tx->tx_txg);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1387 dsl_scan_setup_sync(scn, &func, tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1388 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1389
12470
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1390 if (!dsl_scan_active(scn) ||
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1391 spa_sync_pass(dp->dp_spa) > 1)
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1392 return;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1393
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1394 scn->scn_visited_this_txg = 0;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1395 scn->scn_pausing = B_FALSE;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1396 scn->scn_sync_start_time = gethrtime();
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1397 spa->spa_scrub_active = B_TRUE;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1398
12470
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1399 /*
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1400 * First process the free list. If we pause the free, don't do
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1401 * any scanning. This ensures that there is no free list when
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1402 * we are scanning, so the scan code doesn't have to worry about
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1403 * traversing it.
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1404 */
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1405 if (spa_version(dp->dp_spa) >= SPA_VERSION_DEADLISTS) {
13700
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1406 scn->scn_is_bptree = B_FALSE;
12470
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1407 scn->scn_zio_root = zio_root(dp->dp_spa, NULL,
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1408 NULL, ZIO_FLAG_MUSTSUCCEED);
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1409 err = bpobj_iterate(&dp->dp_free_bpobj,
13700
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1410 dsl_scan_free_block_cb, scn, tx);
13765
9410cf539b11 backout 3006: causes 3046 (panics after mounting root)
Richard Lowe <richlowe@richlowe.net>
parents: 13764
diff changeset
1411 VERIFY3U(0, ==, zio_wait(scn->scn_zio_root));
13700
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1412
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1413 if (err == 0 && spa_feature_is_active(spa,
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1414 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) {
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1415 scn->scn_is_bptree = B_TRUE;
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1416 scn->scn_zio_root = zio_root(dp->dp_spa, NULL,
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1417 NULL, ZIO_FLAG_MUSTSUCCEED);
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1418 err = bptree_iterate(dp->dp_meta_objset,
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1419 dp->dp_bptree_obj, B_TRUE, dsl_scan_free_block_cb,
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1420 scn, tx);
13765
9410cf539b11 backout 3006: causes 3046 (panics after mounting root)
Richard Lowe <richlowe@richlowe.net>
parents: 13764
diff changeset
1421 VERIFY3U(0, ==, zio_wait(scn->scn_zio_root));
13700
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1422 if (err != 0)
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1423 return;
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1424
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1425 /* disable async destroy feature */
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1426 spa_feature_decr(spa,
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1427 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY], tx);
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1428 ASSERT(!spa_feature_is_active(spa,
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1429 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY]));
13765
9410cf539b11 backout 3006: causes 3046 (panics after mounting root)
Richard Lowe <richlowe@richlowe.net>
parents: 13764
diff changeset
1430 VERIFY3U(0, ==, zap_remove(dp->dp_meta_objset,
13700
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1431 DMU_POOL_DIRECTORY_OBJECT,
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1432 DMU_POOL_BPTREE_OBJ, tx));
13765
9410cf539b11 backout 3006: causes 3046 (panics after mounting root)
Richard Lowe <richlowe@richlowe.net>
parents: 13764
diff changeset
1433 VERIFY3U(0, ==, bptree_free(dp->dp_meta_objset,
13700
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1434 dp->dp_bptree_obj, tx));
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1435 dp->dp_bptree_obj = 0;
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1436 }
12470
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1437 if (scn->scn_visited_this_txg) {
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1438 zfs_dbgmsg("freed %llu blocks in %llums from "
13700
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1439 "free_bpobj/bptree txg %llu",
12470
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1440 (longlong_t)scn->scn_visited_this_txg,
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1441 (longlong_t)
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1442 (gethrtime() - scn->scn_sync_start_time) / MICROSEC,
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1443 (longlong_t)tx->tx_txg);
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1444 scn->scn_visited_this_txg = 0;
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1445 /*
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1446 * Re-sync the ddt so that we can further modify
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1447 * it when doing bprewrite.
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1448 */
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1449 ddt_sync(spa, tx->tx_txg);
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1450 }
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1451 if (err == ERESTART)
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1452 return;
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1453 }
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1454
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1455 if (scn->scn_phys.scn_state != DSS_SCANNING)
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1456 return;
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1457
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1458 if (scn->scn_phys.scn_ddt_bookmark.ddb_class <=
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1459 scn->scn_phys.scn_ddt_class_max) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1460 zfs_dbgmsg("doing scan sync txg %llu; "
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1461 "ddt bm=%llu/%llu/%llu/%llx",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1462 (longlong_t)tx->tx_txg,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1463 (longlong_t)scn->scn_phys.scn_ddt_bookmark.ddb_class,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1464 (longlong_t)scn->scn_phys.scn_ddt_bookmark.ddb_type,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1465 (longlong_t)scn->scn_phys.scn_ddt_bookmark.ddb_checksum,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1466 (longlong_t)scn->scn_phys.scn_ddt_bookmark.ddb_cursor);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1467 ASSERT(scn->scn_phys.scn_bookmark.zb_objset == 0);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1468 ASSERT(scn->scn_phys.scn_bookmark.zb_object == 0);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1469 ASSERT(scn->scn_phys.scn_bookmark.zb_level == 0);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1470 ASSERT(scn->scn_phys.scn_bookmark.zb_blkid == 0);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1471 } else {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1472 zfs_dbgmsg("doing scan sync txg %llu; bm=%llu/%llu/%llu/%llu",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1473 (longlong_t)tx->tx_txg,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1474 (longlong_t)scn->scn_phys.scn_bookmark.zb_objset,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1475 (longlong_t)scn->scn_phys.scn_bookmark.zb_object,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1476 (longlong_t)scn->scn_phys.scn_bookmark.zb_level,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1477 (longlong_t)scn->scn_phys.scn_bookmark.zb_blkid);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1478 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1479
12470
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1480 scn->scn_zio_root = zio_root(dp->dp_spa, NULL,
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1481 NULL, ZIO_FLAG_CANFAIL);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1482 dsl_scan_visit(scn, tx);
12470
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1483 (void) zio_wait(scn->scn_zio_root);
54258108784b 6948890 snapshot deletion can induce pathologically long spa_sync() times
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 12296
diff changeset
1484 scn->scn_zio_root = NULL;
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1485
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1486 zfs_dbgmsg("visited %llu blocks in %llums",
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1487 (longlong_t)scn->scn_visited_this_txg,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1488 (longlong_t)(gethrtime() - scn->scn_sync_start_time) / MICROSEC);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1489
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1490 if (!scn->scn_pausing) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1491 /* finished with scan. */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1492 zfs_dbgmsg("finished scan txg %llu", (longlong_t)tx->tx_txg);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1493 dsl_scan_done(scn, B_TRUE, tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1494 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1495
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1496 if (DSL_SCAN_IS_SCRUB_RESILVER(scn)) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1497 mutex_enter(&spa->spa_scrub_lock);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1498 while (spa->spa_scrub_inflight > 0) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1499 cv_wait(&spa->spa_scrub_io_cv,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1500 &spa->spa_scrub_lock);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1501 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1502 mutex_exit(&spa->spa_scrub_lock);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1503 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1504
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1505 dsl_scan_sync_state(scn, tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1506 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1507
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1508 /*
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1509 * This will start a new scan, or restart an existing one.
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1510 */
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1511 void
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1512 dsl_resilver_restart(dsl_pool_t *dp, uint64_t txg)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1513 {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1514 if (txg == 0) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1515 dmu_tx_t *tx;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1516 tx = dmu_tx_create_dd(dp->dp_mos_dir);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1517 VERIFY(0 == dmu_tx_assign(tx, TXG_WAIT));
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1518
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1519 txg = dmu_tx_get_txg(tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1520 dp->dp_scan->scn_restart_txg = txg;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1521 dmu_tx_commit(tx);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1522 } else {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1523 dp->dp_scan->scn_restart_txg = txg;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1524 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1525 zfs_dbgmsg("restarting resilver txg=%llu", txg);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1526 }
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1527
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1528 boolean_t
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1529 dsl_scan_resilvering(dsl_pool_t *dp)
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1530 {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1531 return (dp->dp_scan->scn_phys.scn_state == DSS_SCANNING &&
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1532 dp->dp_scan->scn_phys.scn_func == POOL_SCAN_RESILVER);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1533 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1534
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1535 /*
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1536 * scrub consumers
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1537 */
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1538
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1539 static void
7837
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1540 count_block(zfs_all_blkstats_t *zab, const blkptr_t *bp)
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1541 {
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1542 int i;
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1543
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1544 /*
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1545 * If we resume after a reboot, zab will be NULL; don't record
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1546 * incomplete stats in that case.
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1547 */
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1548 if (zab == NULL)
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1549 return;
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1550
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1551 for (i = 0; i < 4; i++) {
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1552 int l = (i < 2) ? BP_GET_LEVEL(bp) : DN_MAX_LEVELS;
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1553 int t = (i & 1) ? BP_GET_TYPE(bp) : DMU_OT_TOTAL;
13700
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1554 if (t & DMU_OT_NEWTYPE)
2889e2596bd6 2619 asynchronous destruction of ZFS file systems
Christopher Siden <chris.siden@delphix.com>
parents: 12839
diff changeset
1555 t = DMU_OT_OTHER;
7837
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1556 zfs_blkstat_t *zb = &zab->zab_type[l][t];
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1557 int equal;
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1558
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1559 zb->zb_count++;
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1560 zb->zb_asize += BP_GET_ASIZE(bp);
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1561 zb->zb_lsize += BP_GET_LSIZE(bp);
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1562 zb->zb_psize += BP_GET_PSIZE(bp);
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1563 zb->zb_gangs += BP_COUNT_GANG(bp);
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1564
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1565 switch (BP_GET_NDVAS(bp)) {
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1566 case 2:
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1567 if (DVA_GET_VDEV(&bp->blk_dva[0]) ==
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1568 DVA_GET_VDEV(&bp->blk_dva[1]))
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1569 zb->zb_ditto_2_of_2_samevdev++;
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1570 break;
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1571 case 3:
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1572 equal = (DVA_GET_VDEV(&bp->blk_dva[0]) ==
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1573 DVA_GET_VDEV(&bp->blk_dva[1])) +
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1574 (DVA_GET_VDEV(&bp->blk_dva[0]) ==
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1575 DVA_GET_VDEV(&bp->blk_dva[2])) +
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1576 (DVA_GET_VDEV(&bp->blk_dva[1]) ==
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1577 DVA_GET_VDEV(&bp->blk_dva[2]));
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1578 if (equal == 1)
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1579 zb->zb_ditto_2_of_3_samevdev++;
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1580 else if (equal == 3)
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1581 zb->zb_ditto_3_of_3_samevdev++;
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1582 break;
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1583 }
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1584 }
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1585 }
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1586
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1587 static void
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1588 dsl_scan_scrub_done(zio_t *zio)
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1589 {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1590 spa_t *spa = zio->io_spa;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1591
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1592 zio_data_buf_free(zio->io_data, zio->io_size);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1593
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1594 mutex_enter(&spa->spa_scrub_lock);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1595 spa->spa_scrub_inflight--;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1596 cv_broadcast(&spa->spa_scrub_io_cv);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1597
7754
b80e4842ad54 6754011 SPA 3.0: lock breakup, i/o pipeline refactoring, device failure handling
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 7182
diff changeset
1598 if (zio->io_error && (zio->io_error != ECKSUM ||
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1599 !(zio->io_flags & ZIO_FLAG_SPECULATIVE))) {
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1600 spa->spa_dsl_pool->dp_scan->scn_phys.scn_errors++;
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1601 }
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1602 mutex_exit(&spa->spa_scrub_lock);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1603 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1604
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1605 static int
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1606 dsl_scan_scrub_cb(dsl_pool_t *dp,
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1607 const blkptr_t *bp, const zbookmark_t *zb)
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1608 {
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1609 dsl_scan_t *scn = dp->dp_scan;
8274
846b39508aff 6713916 scrub/resilver needlessly decompress data
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 8241
diff changeset
1610 size_t size = BP_GET_PSIZE(bp);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1611 spa_t *spa = dp->dp_spa;
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
1612 uint64_t phys_birth = BP_PHYSICAL_BIRTH(bp);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1613 boolean_t needs_io;
12586
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
1614 int zio_flags = ZIO_FLAG_SCAN_THREAD | ZIO_FLAG_RAW | ZIO_FLAG_CANFAIL;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1615 int zio_priority;
12586
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
1616 int scan_delay = 0;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1617
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1618 if (phys_birth <= scn->scn_phys.scn_min_txg ||
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1619 phys_birth >= scn->scn_phys.scn_max_txg)
8241
5a60f16123ba 6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 7837
diff changeset
1620 return (0);
5a60f16123ba 6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 7837
diff changeset
1621
7837
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1622 count_block(dp->dp_blkstats, bp);
001de5627df3 6333409 traversal code should be able to issue multiple reads in parallel
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents: 7754
diff changeset
1623
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1624 ASSERT(DSL_SCAN_IS_SCRUB_RESILVER(scn));
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1625 if (scn->scn_phys.scn_func == POOL_SCAN_SCRUB) {
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1626 zio_flags |= ZIO_FLAG_SCRUB;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1627 zio_priority = ZIO_PRIORITY_SCRUB;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1628 needs_io = B_TRUE;
12586
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
1629 scan_delay = zfs_scrub_delay;
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1630 } else if (scn->scn_phys.scn_func == POOL_SCAN_RESILVER) {
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1631 zio_flags |= ZIO_FLAG_RESILVER;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1632 zio_priority = ZIO_PRIORITY_RESILVER;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1633 needs_io = B_FALSE;
12586
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
1634 scan_delay = zfs_resilver_delay;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1635 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1636
7160
12f467ba43f4 6725330 'zpool scrub -v' doesn't show data errors after scrub completes
ahrens
parents: 7046
diff changeset
1637 /* If it's an intent log block, failure is expected. */
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
1638 if (zb->zb_level == ZB_ZIL_LEVEL)
7160
12f467ba43f4 6725330 'zpool scrub -v' doesn't show data errors after scrub completes
ahrens
parents: 7046
diff changeset
1639 zio_flags |= ZIO_FLAG_SPECULATIVE;
12f467ba43f4 6725330 'zpool scrub -v' doesn't show data errors after scrub completes
ahrens
parents: 7046
diff changeset
1640
8241
5a60f16123ba 6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 7837
diff changeset
1641 for (int d = 0; d < BP_GET_NDVAS(bp); d++) {
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1642 vdev_t *vd = vdev_lookup_top(spa,
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1643 DVA_GET_VDEV(&bp->blk_dva[d]));
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1644
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1645 /*
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1646 * Keep track of how much data we've examined so that
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1647 * zpool(1M) status can make useful progress reports.
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1648 */
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1649 scn->scn_phys.scn_examined += DVA_GET_ASIZE(&bp->blk_dva[d]);
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1650 spa->spa_scan_pass_exam += DVA_GET_ASIZE(&bp->blk_dva[d]);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1651
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1652 /* if it's a resilver, this may not be in the target range */
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1653 if (!needs_io) {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1654 if (DVA_GET_GANG(&bp->blk_dva[d])) {
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1655 /*
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1656 * Gang members may be spread across multiple
8241
5a60f16123ba 6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 7837
diff changeset
1657 * vdevs, so the best estimate we have is the
5a60f16123ba 6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 7837
diff changeset
1658 * scrub range, which has already been checked.
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1659 * XXX -- it would be better to change our
8241
5a60f16123ba 6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 7837
diff changeset
1660 * allocation policy to ensure that all
5a60f16123ba 6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 7837
diff changeset
1661 * gang members reside on the same vdev.
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1662 */
8241
5a60f16123ba 6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 7837
diff changeset
1663 needs_io = B_TRUE;
5a60f16123ba 6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 7837
diff changeset
1664 } else {
5a60f16123ba 6328632 zpool offline is a bit too conservative
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 7837
diff changeset
1665 needs_io = vdev_dtl_contains(vd, DTL_PARTIAL,
10922
e2081f502306 PSARC 2009/571 ZFS Deduplication Properties
Jeff Bonwick <Jeff.Bonwick@Sun.COM>
parents: 10850
diff changeset
1666 phys_birth, 1);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1667 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1668 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1669 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1670
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1671 if (needs_io && !zfs_no_scrub_io) {
12586
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
1672 vdev_t *rvd = spa->spa_root_vdev;
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
1673 uint64_t maxinflight = rvd->vdev_children * zfs_top_maxinflight;
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1674 void *data = zio_data_buf_alloc(size);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1675
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1676 mutex_enter(&spa->spa_scrub_lock);
12586
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
1677 while (spa->spa_scrub_inflight >= maxinflight)
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1678 cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1679 spa->spa_scrub_inflight++;
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1680 mutex_exit(&spa->spa_scrub_lock);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1681
12586
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
1682 /*
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
1683 * If we're seeing recent (zfs_scan_idle) "important" I/Os
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
1684 * then throttle our workload to limit the impact of a scan.
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
1685 */
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
1686 if (ddi_get_lbolt64() - spa->spa_last_io <= zfs_scan_idle)
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
1687 delay(scan_delay);
b118bbd65be9 6494473 ZFS needs a way to slow down resilvering
George Wilson <George.Wilson@Sun.COM>
parents: 12470
diff changeset
1688
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1689 zio_nowait(zio_read(NULL, spa, bp, data, size,
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1690 dsl_scan_scrub_done, NULL, zio_priority,
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1691 zio_flags, zb));
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1692 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1693
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1694 /* do not relocate this block */
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1695 return (0);
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1696 }
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1697
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1698 int
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1699 dsl_scan(dsl_pool_t *dp, pool_scan_func_t func)
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1700 {
9997
174d75a29a1c 6843235 zpool resilver stalls with spa_scrub_thread in a 3 way deadlock
George Wilson <George.Wilson@Sun.COM>
parents: 9701
diff changeset
1701 spa_t *spa = dp->dp_spa;
174d75a29a1c 6843235 zpool resilver stalls with spa_scrub_thread in a 3 way deadlock
George Wilson <George.Wilson@Sun.COM>
parents: 9701
diff changeset
1702
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1703 /*
10850
bb29ac73664d 6840704 osol_0906 PV guests sometimes hang at login prompt
George Wilson <George.Wilson@Sun.COM>
parents: 10801
diff changeset
1704 * Purge all vdev caches and probe all devices. We do this here
bb29ac73664d 6840704 osol_0906 PV guests sometimes hang at login prompt
George Wilson <George.Wilson@Sun.COM>
parents: 10801
diff changeset
1705 * rather than in sync context because this requires a writer lock
bb29ac73664d 6840704 osol_0906 PV guests sometimes hang at login prompt
George Wilson <George.Wilson@Sun.COM>
parents: 10801
diff changeset
1706 * on the spa_config lock, which we can't do from sync context. The
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1707 * spa_scrub_reopen flag indicates that vdev_open() should not
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1708 * attempt to start another scrub.
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1709 */
10685
931790026ac6 6846163 ZFS continues to use faulted logzilla, bringing system to a crawl
George Wilson <George.Wilson@Sun.COM>
parents: 9997
diff changeset
1710 spa_vdev_state_enter(spa, SCL_NONE);
9997
174d75a29a1c 6843235 zpool resilver stalls with spa_scrub_thread in a 3 way deadlock
George Wilson <George.Wilson@Sun.COM>
parents: 9701
diff changeset
1711 spa->spa_scrub_reopen = B_TRUE;
174d75a29a1c 6843235 zpool resilver stalls with spa_scrub_thread in a 3 way deadlock
George Wilson <George.Wilson@Sun.COM>
parents: 9701
diff changeset
1712 vdev_reopen(spa->spa_root_vdev);
174d75a29a1c 6843235 zpool resilver stalls with spa_scrub_thread in a 3 way deadlock
George Wilson <George.Wilson@Sun.COM>
parents: 9701
diff changeset
1713 spa->spa_scrub_reopen = B_FALSE;
174d75a29a1c 6843235 zpool resilver stalls with spa_scrub_thread in a 3 way deadlock
George Wilson <George.Wilson@Sun.COM>
parents: 9701
diff changeset
1714 (void) spa_vdev_state_exit(spa, NULL, 0);
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1715
12296
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1716 return (dsl_sync_task_do(dp, dsl_scan_setup_check,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk.
Lin Ling <Lin.Ling@Sun.COM>
parents: 12295
diff changeset
1717 dsl_scan_setup_sync, dp->dp_scan, &func, 0));
7046
361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
diff changeset
1718 }