Mercurial > illumos > illumos-gate
annotate usr/src/uts/common/fs/zfs/zfs_ioctl.c @ 8697:e62d2612c14d
6633095 creating a filesystem with many properties set is slow
| author | Rich Morris <Richard.Morris@Sun.COM> |
|---|---|
| date | Thu, 05 Feb 2009 14:08:34 -0500 |
| parents | 33bd5de3260e |
| children | 98e3591a785e |
| rev | line source |
|---|---|
| 789 | 1 /* |
| 2 * CDDL HEADER START | |
| 3 * | |
| 4 * The contents of this file are subject to the terms of the | |
| 1485 | 5 * Common Development and Distribution License (the "License"). |
| 6 * You may not use this file except in compliance with the License. | |
| 789 | 7 * |
| 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
| 9 * or http://www.opensolaris.org/os/licensing. | |
| 10 * See the License for the specific language governing permissions | |
| 11 * and limitations under the License. | |
| 12 * | |
| 13 * When distributing Covered Code, include this CDDL HEADER in each | |
| 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
| 15 * If applicable, add the following below this CDDL HEADER, with the | |
| 16 * fields enclosed by brackets "[]" replaced with your own identifying | |
| 17 * information: Portions Copyright [yyyy] [name of copyright owner] | |
| 18 * | |
| 19 * CDDL HEADER END | |
| 20 */ | |
| 21 /* | |
|
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22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. |
| 789 | 23 * Use is subject to license terms. |
| 24 */ | |
| 25 | |
| 26 #include <sys/types.h> | |
| 27 #include <sys/param.h> | |
| 28 #include <sys/errno.h> | |
| 29 #include <sys/uio.h> | |
| 30 #include <sys/buf.h> | |
| 31 #include <sys/modctl.h> | |
| 32 #include <sys/open.h> | |
| 33 #include <sys/file.h> | |
| 34 #include <sys/kmem.h> | |
| 35 #include <sys/conf.h> | |
| 36 #include <sys/cmn_err.h> | |
| 37 #include <sys/stat.h> | |
| 38 #include <sys/zfs_ioctl.h> | |
| 5331 | 39 #include <sys/zfs_znode.h> |
| 789 | 40 #include <sys/zap.h> |
| 41 #include <sys/spa.h> | |
| 3912 | 42 #include <sys/spa_impl.h> |
| 789 | 43 #include <sys/vdev.h> |
| 3912 | 44 #include <sys/vdev_impl.h> |
| 789 | 45 #include <sys/dmu.h> |
| 46 #include <sys/dsl_dir.h> | |
| 47 #include <sys/dsl_dataset.h> | |
| 48 #include <sys/dsl_prop.h> | |
| 4543 | 49 #include <sys/dsl_deleg.h> |
| 50 #include <sys/dmu_objset.h> | |
| 789 | 51 #include <sys/ddi.h> |
| 52 #include <sys/sunddi.h> | |
| 53 #include <sys/sunldi.h> | |
| 54 #include <sys/policy.h> | |
| 55 #include <sys/zone.h> | |
| 56 #include <sys/nvpair.h> | |
| 57 #include <sys/pathname.h> | |
| 58 #include <sys/mount.h> | |
| 59 #include <sys/sdt.h> | |
| 60 #include <sys/fs/zfs.h> | |
| 61 #include <sys/zfs_ctldir.h> | |
| 5331 | 62 #include <sys/zfs_dir.h> |
| 2885 | 63 #include <sys/zvol.h> |
| 4543 | 64 #include <sharefs/share.h> |
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65 #include <sys/dmu_objset.h> |
| 789 | 66 |
| 67 #include "zfs_namecheck.h" | |
| 2676 | 68 #include "zfs_prop.h" |
| 4543 | 69 #include "zfs_deleg.h" |
| 789 | 70 |
| 71 extern struct modlfs zfs_modlfs; | |
| 72 | |
| 73 extern void zfs_init(void); | |
| 74 extern void zfs_fini(void); | |
| 75 | |
| 76 ldi_ident_t zfs_li = NULL; | |
| 77 dev_info_t *zfs_dip; | |
| 78 | |
| 79 typedef int zfs_ioc_func_t(zfs_cmd_t *); | |
| 4543 | 80 typedef int zfs_secpolicy_func_t(zfs_cmd_t *, cred_t *); |
| 789 | 81 |
| 82 typedef struct zfs_ioc_vec { | |
| 83 zfs_ioc_func_t *zvec_func; | |
| 84 zfs_secpolicy_func_t *zvec_secpolicy; | |
| 85 enum { | |
| 4577 | 86 NO_NAME, |
| 87 POOL_NAME, | |
| 88 DATASET_NAME | |
| 4543 | 89 } zvec_namecheck; |
| 90 boolean_t zvec_his_log; | |
| 789 | 91 } zfs_ioc_vec_t; |
| 92 | |
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93 static void clear_props(char *dataset, nvlist_t *props, nvlist_t *newprops); |
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94 static int zfs_fill_zplprops_root(uint64_t, nvlist_t *, nvlist_t *, |
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95 boolean_t *); |
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96 int zfs_set_prop_nvlist(const char *, nvlist_t *); |
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97 |
| 789 | 98 /* _NOTE(PRINTFLIKE(4)) - this is printf-like, but lint is too whiney */ |
| 99 void | |
| 100 __dprintf(const char *file, const char *func, int line, const char *fmt, ...) | |
| 101 { | |
| 102 const char *newfile; | |
| 103 char buf[256]; | |
| 104 va_list adx; | |
| 105 | |
| 106 /* | |
| 107 * Get rid of annoying "../common/" prefix to filename. | |
| 108 */ | |
| 109 newfile = strrchr(file, '/'); | |
| 110 if (newfile != NULL) { | |
| 111 newfile = newfile + 1; /* Get rid of leading / */ | |
| 112 } else { | |
| 113 newfile = file; | |
| 114 } | |
| 115 | |
| 116 va_start(adx, fmt); | |
| 117 (void) vsnprintf(buf, sizeof (buf), fmt, adx); | |
| 118 va_end(adx); | |
| 119 | |
| 120 /* | |
| 121 * To get this data, use the zfs-dprintf probe as so: | |
| 122 * dtrace -q -n 'zfs-dprintf \ | |
| 123 * /stringof(arg0) == "dbuf.c"/ \ | |
| 124 * {printf("%s: %s", stringof(arg1), stringof(arg3))}' | |
| 125 * arg0 = file name | |
| 126 * arg1 = function name | |
| 127 * arg2 = line number | |
| 128 * arg3 = message | |
| 129 */ | |
| 130 DTRACE_PROBE4(zfs__dprintf, | |
| 131 char *, newfile, char *, func, int, line, char *, buf); | |
| 132 } | |
| 133 | |
| 4543 | 134 static void |
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135 history_str_free(char *buf) |
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136 { |
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137 kmem_free(buf, HIS_MAX_RECORD_LEN); |
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138 } |
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139 |
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140 static char * |
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141 history_str_get(zfs_cmd_t *zc) |
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142 { |
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143 char *buf; |
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144 |
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145 if (zc->zc_history == NULL) |
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146 return (NULL); |
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147 |
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148 buf = kmem_alloc(HIS_MAX_RECORD_LEN, KM_SLEEP); |
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149 if (copyinstr((void *)(uintptr_t)zc->zc_history, |
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150 buf, HIS_MAX_RECORD_LEN, NULL) != 0) { |
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151 history_str_free(buf); |
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152 return (NULL); |
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153 } |
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154 |
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155 buf[HIS_MAX_RECORD_LEN -1] = '\0'; |
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156 |
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157 return (buf); |
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158 } |
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159 |
| 5375 | 160 /* |
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161 * Check to see if the named dataset is currently defined as bootable |
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162 */ |
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163 static boolean_t |
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164 zfs_is_bootfs(const char *name) |
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165 { |
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166 spa_t *spa; |
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167 boolean_t ret = B_FALSE; |
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168 |
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169 if (spa_open(name, &spa, FTAG) == 0) { |
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170 if (spa->spa_bootfs) { |
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171 objset_t *os; |
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172 |
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173 if (dmu_objset_open(name, DMU_OST_ZFS, |
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174 DS_MODE_USER | DS_MODE_READONLY, &os) == 0) { |
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175 ret = (dmu_objset_id(os) == spa->spa_bootfs); |
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176 dmu_objset_close(os); |
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177 } |
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178 } |
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179 spa_close(spa, FTAG); |
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180 } |
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181 return (ret); |
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182 } |
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183 |
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184 /* |
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185 * zfs_earlier_version |
| 5375 | 186 * |
| 187 * Return non-zero if the spa version is less than requested version. | |
| 188 */ | |
| 5331 | 189 static int |
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190 zfs_earlier_version(const char *name, int version) |
| 5331 | 191 { |
| 192 spa_t *spa; | |
| 193 | |
| 194 if (spa_open(name, &spa, FTAG) == 0) { | |
| 195 if (spa_version(spa) < version) { | |
| 196 spa_close(spa, FTAG); | |
| 197 return (1); | |
| 198 } | |
| 199 spa_close(spa, FTAG); | |
| 200 } | |
| 201 return (0); | |
| 202 } | |
| 203 | |
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204 /* |
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205 * zpl_earlier_version |
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206 * |
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207 * Return TRUE if the ZPL version is less than requested version. |
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208 */ |
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209 static boolean_t |
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210 zpl_earlier_version(const char *name, int version) |
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211 { |
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212 objset_t *os; |
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213 boolean_t rc = B_TRUE; |
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214 |
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215 if (dmu_objset_open(name, DMU_OST_ANY, |
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216 DS_MODE_USER | DS_MODE_READONLY, &os) == 0) { |
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217 uint64_t zplversion; |
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218 |
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219 if (zfs_get_zplprop(os, ZFS_PROP_VERSION, &zplversion) == 0) |
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220 rc = zplversion < version; |
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221 dmu_objset_close(os); |
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222 } |
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223 return (rc); |
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224 } |
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225 |
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226 static void |
| 4543 | 227 zfs_log_history(zfs_cmd_t *zc) |
| 228 { | |
| 229 spa_t *spa; | |
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230 char *buf; |
| 4543 | 231 |
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232 if ((buf = history_str_get(zc)) == NULL) |
| 4577 | 233 return; |
| 234 | |
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235 if (spa_open(zc->zc_name, &spa, FTAG) == 0) { |
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236 if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY) |
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237 (void) spa_history_log(spa, buf, LOG_CMD_NORMAL); |
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238 spa_close(spa, FTAG); |
| 4543 | 239 } |
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240 history_str_free(buf); |
| 4543 | 241 } |
| 242 | |
| 789 | 243 /* |
| 244 * Policy for top-level read operations (list pools). Requires no privileges, | |
| 245 * and can be used in the local zone, as there is no associated dataset. | |
| 246 */ | |
| 247 /* ARGSUSED */ | |
| 248 static int | |
| 4543 | 249 zfs_secpolicy_none(zfs_cmd_t *zc, cred_t *cr) |
| 789 | 250 { |
| 251 return (0); | |
| 252 } | |
| 253 | |
| 254 /* | |
| 255 * Policy for dataset read operations (list children, get statistics). Requires | |
| 256 * no privileges, but must be visible in the local zone. | |
| 257 */ | |
| 258 /* ARGSUSED */ | |
| 259 static int | |
| 4543 | 260 zfs_secpolicy_read(zfs_cmd_t *zc, cred_t *cr) |
| 789 | 261 { |
| 262 if (INGLOBALZONE(curproc) || | |
| 4543 | 263 zone_dataset_visible(zc->zc_name, NULL)) |
| 789 | 264 return (0); |
| 265 | |
| 266 return (ENOENT); | |
| 267 } | |
| 268 | |
| 269 static int | |
| 270 zfs_dozonecheck(const char *dataset, cred_t *cr) | |
| 271 { | |
| 272 uint64_t zoned; | |
| 273 int writable = 1; | |
| 274 | |
| 275 /* | |
| 276 * The dataset must be visible by this zone -- check this first | |
| 277 * so they don't see EPERM on something they shouldn't know about. | |
| 278 */ | |
| 279 if (!INGLOBALZONE(curproc) && | |
| 280 !zone_dataset_visible(dataset, &writable)) | |
| 281 return (ENOENT); | |
| 282 | |
| 283 if (dsl_prop_get_integer(dataset, "zoned", &zoned, NULL)) | |
| 284 return (ENOENT); | |
| 285 | |
| 286 if (INGLOBALZONE(curproc)) { | |
| 287 /* | |
| 288 * If the fs is zoned, only root can access it from the | |
| 289 * global zone. | |
| 290 */ | |
| 291 if (secpolicy_zfs(cr) && zoned) | |
| 292 return (EPERM); | |
| 293 } else { | |
| 294 /* | |
| 295 * If we are in a local zone, the 'zoned' property must be set. | |
| 296 */ | |
| 297 if (!zoned) | |
| 298 return (EPERM); | |
| 299 | |
| 300 /* must be writable by this zone */ | |
| 301 if (!writable) | |
| 302 return (EPERM); | |
| 303 } | |
| 304 return (0); | |
| 305 } | |
| 306 | |
| 307 int | |
| 4543 | 308 zfs_secpolicy_write_perms(const char *name, const char *perm, cred_t *cr) |
| 789 | 309 { |
| 310 int error; | |
| 311 | |
| 4543 | 312 error = zfs_dozonecheck(name, cr); |
| 313 if (error == 0) { | |
| 314 error = secpolicy_zfs(cr); | |
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315 if (error) |
| 4543 | 316 error = dsl_deleg_access(name, perm, cr); |
| 317 } | |
| 318 return (error); | |
| 319 } | |
| 320 | |
| 321 static int | |
| 322 zfs_secpolicy_setprop(const char *name, zfs_prop_t prop, cred_t *cr) | |
| 323 { | |
| 324 /* | |
| 325 * Check permissions for special properties. | |
| 326 */ | |
| 327 switch (prop) { | |
| 328 case ZFS_PROP_ZONED: | |
| 329 /* | |
| 330 * Disallow setting of 'zoned' from within a local zone. | |
| 331 */ | |
| 332 if (!INGLOBALZONE(curproc)) | |
| 333 return (EPERM); | |
| 334 break; | |
| 789 | 335 |
| 4543 | 336 case ZFS_PROP_QUOTA: |
| 337 if (!INGLOBALZONE(curproc)) { | |
| 338 uint64_t zoned; | |
| 339 char setpoint[MAXNAMELEN]; | |
| 340 /* | |
| 341 * Unprivileged users are allowed to modify the | |
| 342 * quota on things *under* (ie. contained by) | |
| 343 * the thing they own. | |
| 344 */ | |
| 345 if (dsl_prop_get_integer(name, "zoned", &zoned, | |
| 346 setpoint)) | |
| 347 return (EPERM); | |
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348 if (!zoned || strlen(name) <= strlen(setpoint)) |
| 4543 | 349 return (EPERM); |
| 350 } | |
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351 break; |
| 4543 | 352 } |
| 353 | |
| 4787 | 354 return (zfs_secpolicy_write_perms(name, zfs_prop_to_name(prop), cr)); |
| 789 | 355 } |
| 356 | |
| 4543 | 357 int |
| 358 zfs_secpolicy_fsacl(zfs_cmd_t *zc, cred_t *cr) | |
| 359 { | |
| 360 int error; | |
| 361 | |
| 362 error = zfs_dozonecheck(zc->zc_name, cr); | |
| 363 if (error) | |
| 364 return (error); | |
| 365 | |
| 366 /* | |
| 367 * permission to set permissions will be evaluated later in | |
| 368 * dsl_deleg_can_allow() | |
| 369 */ | |
| 370 return (0); | |
| 371 } | |
| 372 | |
| 373 int | |
| 374 zfs_secpolicy_rollback(zfs_cmd_t *zc, cred_t *cr) | |
| 375 { | |
| 376 int error; | |
| 377 error = zfs_secpolicy_write_perms(zc->zc_name, | |
| 378 ZFS_DELEG_PERM_ROLLBACK, cr); | |
| 379 if (error == 0) | |
| 380 error = zfs_secpolicy_write_perms(zc->zc_name, | |
| 381 ZFS_DELEG_PERM_MOUNT, cr); | |
| 382 return (error); | |
| 383 } | |
| 384 | |
| 385 int | |
| 386 zfs_secpolicy_send(zfs_cmd_t *zc, cred_t *cr) | |
| 387 { | |
| 388 return (zfs_secpolicy_write_perms(zc->zc_name, | |
| 389 ZFS_DELEG_PERM_SEND, cr)); | |
| 390 } | |
| 391 | |
| 392 int | |
| 393 zfs_secpolicy_share(zfs_cmd_t *zc, cred_t *cr) | |
| 394 { | |
| 395 if (!INGLOBALZONE(curproc)) | |
| 396 return (EPERM); | |
| 397 | |
| 5367 | 398 if (secpolicy_nfs(cr) == 0) { |
| 4543 | 399 return (0); |
| 400 } else { | |
| 401 vnode_t *vp; | |
| 402 int error; | |
| 403 | |
| 404 if ((error = lookupname(zc->zc_value, UIO_SYSSPACE, | |
| 405 NO_FOLLOW, NULL, &vp)) != 0) | |
| 406 return (error); | |
| 407 | |
| 408 /* Now make sure mntpnt and dataset are ZFS */ | |
| 409 | |
| 410 if (vp->v_vfsp->vfs_fstype != zfsfstype || | |
| 411 (strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource), | |
| 412 zc->zc_name) != 0)) { | |
| 413 VN_RELE(vp); | |
| 414 return (EPERM); | |
| 415 } | |
| 416 | |
| 417 VN_RELE(vp); | |
| 418 return (dsl_deleg_access(zc->zc_name, | |
| 419 ZFS_DELEG_PERM_SHARE, cr)); | |
| 420 } | |
| 421 } | |
| 422 | |
| 789 | 423 static int |
| 4543 | 424 zfs_get_parent(const char *datasetname, char *parent, int parentsize) |
| 789 | 425 { |
| 426 char *cp; | |
| 427 | |
| 428 /* | |
| 429 * Remove the @bla or /bla from the end of the name to get the parent. | |
| 430 */ | |
| 4543 | 431 (void) strncpy(parent, datasetname, parentsize); |
| 432 cp = strrchr(parent, '@'); | |
| 789 | 433 if (cp != NULL) { |
| 434 cp[0] = '\0'; | |
| 435 } else { | |
| 4543 | 436 cp = strrchr(parent, '/'); |
| 789 | 437 if (cp == NULL) |
| 438 return (ENOENT); | |
| 439 cp[0] = '\0'; | |
| 440 } | |
| 441 | |
| 4543 | 442 return (0); |
| 443 } | |
| 444 | |
| 445 int | |
| 446 zfs_secpolicy_destroy_perms(const char *name, cred_t *cr) | |
| 447 { | |
| 448 int error; | |
| 449 | |
| 450 if ((error = zfs_secpolicy_write_perms(name, | |
| 451 ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
| 452 return (error); | |
| 453 | |
| 454 return (zfs_secpolicy_write_perms(name, ZFS_DELEG_PERM_DESTROY, cr)); | |
| 455 } | |
| 456 | |
| 457 static int | |
| 458 zfs_secpolicy_destroy(zfs_cmd_t *zc, cred_t *cr) | |
| 459 { | |
| 460 return (zfs_secpolicy_destroy_perms(zc->zc_name, cr)); | |
| 461 } | |
| 462 | |
| 463 /* | |
| 464 * Must have sys_config privilege to check the iscsi permission | |
| 465 */ | |
| 466 /* ARGSUSED */ | |
| 467 static int | |
| 468 zfs_secpolicy_iscsi(zfs_cmd_t *zc, cred_t *cr) | |
| 469 { | |
| 470 return (secpolicy_zfs(cr)); | |
| 471 } | |
| 472 | |
| 473 int | |
| 474 zfs_secpolicy_rename_perms(const char *from, const char *to, cred_t *cr) | |
| 475 { | |
| 476 char parentname[MAXNAMELEN]; | |
| 477 int error; | |
| 478 | |
| 479 if ((error = zfs_secpolicy_write_perms(from, | |
| 480 ZFS_DELEG_PERM_RENAME, cr)) != 0) | |
| 481 return (error); | |
| 482 | |
| 483 if ((error = zfs_secpolicy_write_perms(from, | |
| 484 ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
| 485 return (error); | |
| 486 | |
| 487 if ((error = zfs_get_parent(to, parentname, | |
| 488 sizeof (parentname))) != 0) | |
| 489 return (error); | |
| 490 | |
| 491 if ((error = zfs_secpolicy_write_perms(parentname, | |
| 492 ZFS_DELEG_PERM_CREATE, cr)) != 0) | |
| 493 return (error); | |
| 494 | |
| 495 if ((error = zfs_secpolicy_write_perms(parentname, | |
| 496 ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
| 497 return (error); | |
| 498 | |
| 499 return (error); | |
| 500 } | |
| 501 | |
| 502 static int | |
| 503 zfs_secpolicy_rename(zfs_cmd_t *zc, cred_t *cr) | |
| 504 { | |
| 505 return (zfs_secpolicy_rename_perms(zc->zc_name, zc->zc_value, cr)); | |
| 506 } | |
| 507 | |
| 508 static int | |
| 509 zfs_secpolicy_promote(zfs_cmd_t *zc, cred_t *cr) | |
| 510 { | |
| 511 char parentname[MAXNAMELEN]; | |
| 512 objset_t *clone; | |
| 513 int error; | |
| 514 | |
| 515 error = zfs_secpolicy_write_perms(zc->zc_name, | |
| 516 ZFS_DELEG_PERM_PROMOTE, cr); | |
| 517 if (error) | |
| 518 return (error); | |
| 519 | |
| 520 error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, | |
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521 DS_MODE_USER | DS_MODE_READONLY, &clone); |
| 4543 | 522 |
| 523 if (error == 0) { | |
| 524 dsl_dataset_t *pclone = NULL; | |
| 525 dsl_dir_t *dd; | |
| 526 dd = clone->os->os_dsl_dataset->ds_dir; | |
| 527 | |
| 528 rw_enter(&dd->dd_pool->dp_config_rwlock, RW_READER); | |
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529 error = dsl_dataset_hold_obj(dd->dd_pool, |
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530 dd->dd_phys->dd_origin_obj, FTAG, &pclone); |
| 4543 | 531 rw_exit(&dd->dd_pool->dp_config_rwlock); |
| 532 if (error) { | |
| 533 dmu_objset_close(clone); | |
| 534 return (error); | |
| 535 } | |
| 536 | |
| 537 error = zfs_secpolicy_write_perms(zc->zc_name, | |
| 538 ZFS_DELEG_PERM_MOUNT, cr); | |
| 539 | |
| 540 dsl_dataset_name(pclone, parentname); | |
| 541 dmu_objset_close(clone); | |
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542 dsl_dataset_rele(pclone, FTAG); |
| 4543 | 543 if (error == 0) |
| 544 error = zfs_secpolicy_write_perms(parentname, | |
| 545 ZFS_DELEG_PERM_PROMOTE, cr); | |
| 546 } | |
| 547 return (error); | |
| 548 } | |
| 549 | |
| 550 static int | |
| 551 zfs_secpolicy_receive(zfs_cmd_t *zc, cred_t *cr) | |
| 552 { | |
| 553 int error; | |
| 554 | |
| 555 if ((error = zfs_secpolicy_write_perms(zc->zc_name, | |
| 556 ZFS_DELEG_PERM_RECEIVE, cr)) != 0) | |
| 557 return (error); | |
| 558 | |
| 559 if ((error = zfs_secpolicy_write_perms(zc->zc_name, | |
| 560 ZFS_DELEG_PERM_MOUNT, cr)) != 0) | |
| 561 return (error); | |
| 562 | |
| 563 return (zfs_secpolicy_write_perms(zc->zc_name, | |
| 564 ZFS_DELEG_PERM_CREATE, cr)); | |
| 565 } | |
| 566 | |
| 567 int | |
| 568 zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr) | |
| 569 { | |
| 570 int error; | |
| 571 | |
| 572 if ((error = zfs_secpolicy_write_perms(name, | |
| 573 ZFS_DELEG_PERM_SNAPSHOT, cr)) != 0) | |
| 574 return (error); | |
| 575 | |
| 576 error = zfs_secpolicy_write_perms(name, | |
| 577 ZFS_DELEG_PERM_MOUNT, cr); | |
| 578 | |
| 579 return (error); | |
| 580 } | |
| 581 | |
| 582 static int | |
| 583 zfs_secpolicy_snapshot(zfs_cmd_t *zc, cred_t *cr) | |
| 584 { | |
| 585 | |
| 586 return (zfs_secpolicy_snapshot_perms(zc->zc_name, cr)); | |
| 587 } | |
| 588 | |
| 589 static int | |
| 590 zfs_secpolicy_create(zfs_cmd_t *zc, cred_t *cr) | |
| 591 { | |
| 592 char parentname[MAXNAMELEN]; | |
| 593 int error; | |
| 594 | |
| 595 if ((error = zfs_get_parent(zc->zc_name, parentname, | |
| 596 sizeof (parentname))) != 0) | |
| 597 return (error); | |
| 598 | |
| 599 if (zc->zc_value[0] != '\0') { | |
| 600 if ((error = zfs_secpolicy_write_perms(zc->zc_value, | |
| 601 ZFS_DELEG_PERM_CLONE, cr)) != 0) | |
| 602 return (error); | |
| 603 } | |
| 604 | |
| 605 if ((error = zfs_secpolicy_write_perms(parentname, | |
| 606 ZFS_DELEG_PERM_CREATE, cr)) != 0) | |
| 607 return (error); | |
| 608 | |
| 609 error = zfs_secpolicy_write_perms(parentname, | |
| 610 ZFS_DELEG_PERM_MOUNT, cr); | |
| 611 | |
| 612 return (error); | |
| 613 } | |
| 614 | |
| 615 static int | |
| 616 zfs_secpolicy_umount(zfs_cmd_t *zc, cred_t *cr) | |
| 617 { | |
| 618 int error; | |
| 619 | |
| 620 error = secpolicy_fs_unmount(cr, NULL); | |
| 621 if (error) { | |
| 622 error = dsl_deleg_access(zc->zc_name, ZFS_DELEG_PERM_MOUNT, cr); | |
| 623 } | |
| 624 return (error); | |
| 789 | 625 } |
| 626 | |
| 627 /* | |
| 628 * Policy for pool operations - create/destroy pools, add vdevs, etc. Requires | |
| 629 * SYS_CONFIG privilege, which is not available in a local zone. | |
| 630 */ | |
| 631 /* ARGSUSED */ | |
| 632 static int | |
| 4543 | 633 zfs_secpolicy_config(zfs_cmd_t *zc, cred_t *cr) |
| 789 | 634 { |
| 635 if (secpolicy_sys_config(cr, B_FALSE) != 0) | |
| 636 return (EPERM); | |
| 637 | |
| 638 return (0); | |
| 639 } | |
| 640 | |
| 641 /* | |
| 4543 | 642 * Just like zfs_secpolicy_config, except that we will check for |
| 643 * mount permission on the dataset for permission to create/remove | |
| 644 * the minor nodes. | |
| 645 */ | |
| 646 static int | |
| 647 zfs_secpolicy_minor(zfs_cmd_t *zc, cred_t *cr) | |
| 648 { | |
| 649 if (secpolicy_sys_config(cr, B_FALSE) != 0) { | |
| 650 return (dsl_deleg_access(zc->zc_name, | |
| 651 ZFS_DELEG_PERM_MOUNT, cr)); | |
| 652 } | |
| 653 | |
| 654 return (0); | |
| 655 } | |
| 656 | |
| 657 /* | |
| 1544 | 658 * Policy for fault injection. Requires all privileges. |
| 659 */ | |
| 660 /* ARGSUSED */ | |
| 661 static int | |
| 4543 | 662 zfs_secpolicy_inject(zfs_cmd_t *zc, cred_t *cr) |
| 1544 | 663 { |
| 664 return (secpolicy_zinject(cr)); | |
| 665 } | |
| 666 | |
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667 static int |
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668 zfs_secpolicy_inherit(zfs_cmd_t *zc, cred_t *cr) |
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669 { |
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670 zfs_prop_t prop = zfs_name_to_prop(zc->zc_value); |
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671 |
| 5094 | 672 if (prop == ZPROP_INVAL) { |
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673 if (!zfs_prop_user(zc->zc_value)) |
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674 return (EINVAL); |
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675 return (zfs_secpolicy_write_perms(zc->zc_name, |
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676 ZFS_DELEG_PERM_USERPROP, cr)); |
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677 } else { |
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678 if (!zfs_prop_inheritable(prop)) |
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679 return (EINVAL); |
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parents:
4808
diff
changeset
|
680 return (zfs_secpolicy_setprop(zc->zc_name, prop, cr)); |
|
3a61e0a9a953
6536043 arc_byteswap_func_t and dmu_byteswap_func_t are redundant
ahrens
parents:
4808
diff
changeset
|
681 } |
|
3a61e0a9a953
6536043 arc_byteswap_func_t and dmu_byteswap_func_t are redundant
ahrens
parents:
4808
diff
changeset
|
682 } |
|
3a61e0a9a953
6536043 arc_byteswap_func_t and dmu_byteswap_func_t are redundant
ahrens
parents:
4808
diff
changeset
|
683 |
| 1544 | 684 /* |
| 789 | 685 * Returns the nvlist as specified by the user in the zfs_cmd_t. |
| 686 */ | |
| 687 static int | |
| 5094 | 688 get_nvlist(uint64_t nvl, uint64_t size, nvlist_t **nvp) |
| 789 | 689 { |
| 690 char *packed; | |
| 691 int error; | |
| 5094 | 692 nvlist_t *list = NULL; |
| 789 | 693 |
| 694 /* | |
| 2676 | 695 * Read in and unpack the user-supplied nvlist. |
| 789 | 696 */ |
| 5094 | 697 if (size == 0) |
| 789 | 698 return (EINVAL); |
| 699 | |
| 700 packed = kmem_alloc(size, KM_SLEEP); | |
| 701 | |
| 5094 | 702 if ((error = xcopyin((void *)(uintptr_t)nvl, packed, size)) != 0) { |
| 789 | 703 kmem_free(packed, size); |
| 704 return (error); | |
| 705 } | |
| 706 | |
| 5094 | 707 if ((error = nvlist_unpack(packed, size, &list, 0)) != 0) { |
| 789 | 708 kmem_free(packed, size); |
| 709 return (error); | |
| 710 } | |
| 711 | |
| 712 kmem_free(packed, size); | |
| 713 | |
| 5094 | 714 *nvp = list; |
| 789 | 715 return (0); |
| 716 } | |
| 717 | |
| 718 static int | |
| 2676 | 719 put_nvlist(zfs_cmd_t *zc, nvlist_t *nvl) |
| 720 { | |
| 721 char *packed = NULL; | |
| 722 size_t size; | |
| 723 int error; | |
| 724 | |
| 725 VERIFY(nvlist_size(nvl, &size, NV_ENCODE_NATIVE) == 0); | |
| 726 | |
| 727 if (size > zc->zc_nvlist_dst_size) { | |
| 728 error = ENOMEM; | |
| 729 } else { | |
| 4611 | 730 packed = kmem_alloc(size, KM_SLEEP); |
| 2676 | 731 VERIFY(nvlist_pack(nvl, &packed, &size, NV_ENCODE_NATIVE, |
| 732 KM_SLEEP) == 0); | |
| 733 error = xcopyout(packed, (void *)(uintptr_t)zc->zc_nvlist_dst, | |
| 734 size); | |
| 735 kmem_free(packed, size); | |
| 736 } | |
| 737 | |
| 738 zc->zc_nvlist_dst_size = size; | |
| 739 return (error); | |
| 740 } | |
| 741 | |
| 742 static int | |
| 789 | 743 zfs_ioc_pool_create(zfs_cmd_t *zc) |
| 744 { | |
| 745 int error; | |
| 5094 | 746 nvlist_t *config, *props = NULL; |
|
7184
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PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
747 nvlist_t *rootprops = NULL; |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
748 nvlist_t *zplprops = NULL; |
|
4715
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
749 char *buf; |
| 789 | 750 |
| 5094 | 751 if (error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, |
| 752 &config)) | |
|
4988
db8abd9846d4
6595467 libzfs consumers should be allowed to write their own history (or none at all)
ek110237
parents:
4849
diff
changeset
|
753 return (error); |
|
4715
e8d212dda064
6535695 Panic: shpp->sh_eof == shpp->sh_pool_create_len, file: ../../common/fs/zfs/spa_history.c, line: 235
ek110237
parents:
4670
diff
changeset
|
754 |
| 5094 | 755 if (zc->zc_nvlist_src_size != 0 && (error = |
| 756 get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, &props))) { | |
| 757 nvlist_free(config); | |
| 758 return (error); | |
| 759 } | |
| 760 | |
|
7184
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
761 if (props) { |
|
9508660f9c27
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timh
parents:
7046
diff
changeset
|
762 nvlist_t *nvl = NULL; |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
763 uint64_t version = SPA_VERSION; |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
764 |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
765 (void) nvlist_lookup_uint64(props, |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
766 zpool_prop_to_name(ZPOOL_PROP_VERSION), &version); |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
767 if (version < SPA_VERSION_INITIAL || version > SPA_VERSION) { |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
768 error = EINVAL; |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
769 goto pool_props_bad; |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
770 } |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
771 (void) nvlist_lookup_nvlist(props, ZPOOL_ROOTFS_PROPS, &nvl); |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
772 if (nvl) { |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
773 error = nvlist_dup(nvl, &rootprops, KM_SLEEP); |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
774 if (error != 0) { |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
775 nvlist_free(config); |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
776 nvlist_free(props); |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
777 return (error); |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
778 } |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
779 (void) nvlist_remove_all(props, ZPOOL_ROOTFS_PROPS); |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
780 } |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
781 VERIFY(nvlist_alloc(&zplprops, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
782 error = zfs_fill_zplprops_root(version, rootprops, |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
783 zplprops, NULL); |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
784 if (error) |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
785 goto pool_props_bad; |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
786 } |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
787 |
|
4988
db8abd9846d4
6595467 libzfs consumers should be allowed to write their own history (or none at all)
ek110237
parents:
4849
diff
changeset
|
788 buf = history_str_get(zc); |
| 789 | 789 |
|
7184
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
790 error = spa_create(zc->zc_name, config, props, buf, zplprops); |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
791 |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
792 /* |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
793 * Set the remaining root properties |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
794 */ |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
795 if (!error && |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
796 (error = zfs_set_prop_nvlist(zc->zc_name, rootprops)) != 0) |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
797 (void) spa_destroy(zc->zc_name); |
| 789 | 798 |
|
4988
db8abd9846d4
6595467 libzfs consumers should be allowed to write their own history (or none at all)
ek110237
parents:
4849
diff
changeset
|
799 if (buf != NULL) |
|
db8abd9846d4
6595467 libzfs consumers should be allowed to write their own history (or none at all)
ek110237
parents:
4849
diff
changeset
|
800 history_str_free(buf); |
| 5094 | 801 |
|
7184
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
802 pool_props_bad: |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
803 nvlist_free(rootprops); |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
804 nvlist_free(zplprops); |
| 789 | 805 nvlist_free(config); |
|
7184
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
806 nvlist_free(props); |
| 5094 | 807 |
| 789 | 808 return (error); |
| 809 } | |
| 810 | |
| 811 static int | |
| 812 zfs_ioc_pool_destroy(zfs_cmd_t *zc) | |
| 813 { | |
| 4543 | 814 int error; |
| 815 zfs_log_history(zc); | |
| 816 error = spa_destroy(zc->zc_name); | |
| 817 return (error); | |
| 789 | 818 } |
| 819 | |
| 820 static int | |
| 821 zfs_ioc_pool_import(zfs_cmd_t *zc) | |
| 822 { | |
| 823 int error; | |
| 5094 | 824 nvlist_t *config, *props = NULL; |
| 789 | 825 uint64_t guid; |
| 826 | |
| 5094 | 827 if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, |
| 828 &config)) != 0) | |
| 789 | 829 return (error); |
| 830 | |
| 5094 | 831 if (zc->zc_nvlist_src_size != 0 && (error = |
| 832 get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, &props))) { | |
| 833 nvlist_free(config); | |
| 834 return (error); | |
| 835 } | |
| 836 | |
| 789 | 837 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &guid) != 0 || |
| 1544 | 838 guid != zc->zc_guid) |
| 789 | 839 error = EINVAL; |
|
6643
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6492
diff
changeset
|
840 else if (zc->zc_cookie) |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6492
diff
changeset
|
841 error = spa_import_faulted(zc->zc_name, config, |
|
3a34b0dbb107
6625086 changing cachefile doesn't remove old cache on last user
eschrock
parents:
6492
diff
changeset
|
842 props); |
| 789 | 843 else |
| 5094 | 844 error = spa_import(zc->zc_name, config, props); |
| 789 | 845 |
| 846 nvlist_free(config); | |
| 847 | |
| 5094 | 848 if (props) |
| 849 nvlist_free(props); | |
| 850 | |
| 789 | 851 return (error); |
| 852 } | |
| 853 | |
| 854 static int | |
| 855 zfs_ioc_pool_export(zfs_cmd_t *zc) | |
| 856 { | |
| 4543 | 857 int error; |
|
7214
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
858 boolean_t force = (boolean_t)zc->zc_cookie; |
|
8211
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
8080
diff
changeset
|
859 boolean_t hardforce = (boolean_t)zc->zc_guid; |
|
7214
04c540040a32
6721908 A hot spare "in use" in an exported zpool, is stolen when a disk fails in an imported pool.
lling
parents:
7184
diff
changeset
|
860 |
| 4543 | 861 zfs_log_history(zc); |
|
8211
32722be6ad3b
6775357 ZFS should have a way to export a pool without touching anything
George Wilson <George.Wilson@Sun.COM>
parents:
8080
diff
changeset
|
862 error = spa_export(zc->zc_name, NULL, force, hardforce); |
| 4543 | 863 return (error); |
| 789 | 864 } |
| 865 | |
| 866 static int | |
| 867 zfs_ioc_pool_configs(zfs_cmd_t *zc) | |
| 868 { | |
| 869 nvlist_t *configs; | |
| 870 int error; | |
| 871 | |
| 872 if ((configs = spa_all_configs(&zc->zc_cookie)) == NULL) | |
| 873 return (EEXIST); | |
| 874 | |
| 2676 | 875 error = put_nvlist(zc, configs); |
| 789 | 876 |
| 877 nvlist_free(configs); | |
| 878 | |
| 879 return (error); | |
| 880 } | |
| 881 | |
| 882 static int | |
| 883 zfs_ioc_pool_stats(zfs_cmd_t *zc) | |
| 884 { | |
| 885 nvlist_t *config; | |
| 886 int error; | |
| 1544 | 887 int ret = 0; |
| 789 | 888 |
| 2676 | 889 error = spa_get_stats(zc->zc_name, &config, zc->zc_value, |
| 890 sizeof (zc->zc_value)); | |
| 789 | 891 |
| 892 if (config != NULL) { | |
| 2676 | 893 ret = put_nvlist(zc, config); |
| 789 | 894 nvlist_free(config); |
| 1544 | 895 |
| 896 /* | |
| 897 * The config may be present even if 'error' is non-zero. | |
| 898 * In this case we return success, and preserve the real errno | |
| 899 * in 'zc_cookie'. | |
| 900 */ | |
| 901 zc->zc_cookie = error; | |
| 789 | 902 } else { |
| 1544 | 903 ret = error; |
| 789 | 904 } |
| 905 | |
| 1544 | 906 return (ret); |
| 789 | 907 } |
| 908 | |
| 909 /* | |
| 910 * Try to import the given pool, returning pool stats as appropriate so that | |
| 911 * user land knows which devices are available and overall pool health. | |
| 912 */ | |
| 913 static int | |
| 914 zfs_ioc_pool_tryimport(zfs_cmd_t *zc) | |
| 915 { | |
| 916 nvlist_t *tryconfig, *config; | |
| 917 int error; | |
| 918 | |
| 5094 | 919 if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, |
| 920 &tryconfig)) != 0) | |
| 789 | 921 return (error); |
| 922 | |
| 923 config = spa_tryimport(tryconfig); | |
| 924 | |
| 925 nvlist_free(tryconfig); | |
| 926 | |
| 927 if (config == NULL) | |
| 928 return (EINVAL); | |
| 929 | |
| 2676 | 930 error = put_nvlist(zc, config); |
| 789 | 931 nvlist_free(config); |
| 932 | |
| 933 return (error); | |
| 934 } | |
| 935 | |
| 936 static int | |
| 937 zfs_ioc_pool_scrub(zfs_cmd_t *zc) | |
| 938 { | |
| 939 spa_t *spa; | |
| 940 int error; | |
| 941 | |
| 2926 | 942 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
| 943 return (error); | |
| 944 | |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
7042
diff
changeset
|
945 error = spa_scrub(spa, zc->zc_cookie); |
| 2926 | 946 |
| 947 spa_close(spa, FTAG); | |
| 948 | |
| 789 | 949 return (error); |
| 950 } | |
| 951 | |
| 952 static int | |
| 953 zfs_ioc_pool_freeze(zfs_cmd_t *zc) | |
| 954 { | |
| 955 spa_t *spa; | |
| 956 int error; | |
| 957 | |
| 958 error = spa_open(zc->zc_name, &spa, FTAG); | |
| 959 if (error == 0) { | |
| 960 spa_freeze(spa); | |
| 961 spa_close(spa, FTAG); | |
| 962 } | |
| 963 return (error); | |
| 964 } | |
| 965 | |
| 966 static int | |
| 1760 | 967 zfs_ioc_pool_upgrade(zfs_cmd_t *zc) |
| 968 { | |
| 969 spa_t *spa; | |
| 970 int error; | |
| 971 | |
| 2926 | 972 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
| 973 return (error); | |
| 974 | |
|
5118
c723b1aa9f79
6607671 Able to zpool upgrade a pool to an unknown version number
lling
parents:
5094
diff
changeset
|
975 if (zc->zc_cookie < spa_version(spa) || zc->zc_cookie > SPA_VERSION) { |
|
c723b1aa9f79
6607671 Able to zpool upgrade a pool to an unknown version number
lling
parents:
5094
diff
changeset
|
976 spa_close(spa, FTAG); |
|
c723b1aa9f79
6607671 Able to zpool upgrade a pool to an unknown version number
lling
parents:
5094
diff
changeset
|
977 return (EINVAL); |
|
c723b1aa9f79
6607671 Able to zpool upgrade a pool to an unknown version number
lling
parents:
5094
diff
changeset
|
978 } |
|
c723b1aa9f79
6607671 Able to zpool upgrade a pool to an unknown version number
lling
parents:
5094
diff
changeset
|
979 |
| 5094 | 980 spa_upgrade(spa, zc->zc_cookie); |
| 2926 | 981 spa_close(spa, FTAG); |
| 982 | |
| 983 return (error); | |
| 984 } | |
| 985 | |
| 986 static int | |
| 987 zfs_ioc_pool_get_history(zfs_cmd_t *zc) | |
| 988 { | |
| 989 spa_t *spa; | |
| 990 char *hist_buf; | |
| 991 uint64_t size; | |
| 992 int error; | |
| 993 | |
| 994 if ((size = zc->zc_history_len) == 0) | |
| 995 return (EINVAL); | |
| 996 | |
| 997 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
| 998 return (error); | |
| 999 | |
| 4577 | 1000 if (spa_version(spa) < SPA_VERSION_ZPOOL_HISTORY) { |
|
3863
d56571426115
6529406 zpool history needs to bump the on-disk version
ek110237
parents:
3741
diff
changeset
|
1001 spa_close(spa, FTAG); |
|
d56571426115
6529406 zpool history needs to bump the on-disk version
ek110237
parents:
3741
diff
changeset
|
1002 return (ENOTSUP); |
|
d56571426115
6529406 zpool history needs to bump the on-disk version
ek110237
parents:
3741
diff
changeset
|
1003 } |
|
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|
1004 |
| 2926 | 1005 hist_buf = kmem_alloc(size, KM_SLEEP); |
| 1006 if ((error = spa_history_get(spa, &zc->zc_history_offset, | |
| 1007 &zc->zc_history_len, hist_buf)) == 0) { | |
| 4543 | 1008 error = xcopyout(hist_buf, |
| 1009 (char *)(uintptr_t)zc->zc_history, | |
| 2926 | 1010 zc->zc_history_len); |
| 1011 } | |
| 1012 | |
| 1013 spa_close(spa, FTAG); | |
| 1014 kmem_free(hist_buf, size); | |
| 1015 return (error); | |
| 1016 } | |
| 1017 | |
| 1018 static int | |
|
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1019 zfs_ioc_dsobj_to_dsname(zfs_cmd_t *zc) |
|
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1020 { |
|
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|
1021 int error; |
|
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1022 |
| 3912 | 1023 if (error = dsl_dsobj_to_dsname(zc->zc_name, zc->zc_obj, zc->zc_value)) |
|
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1024 return (error); |
|
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1025 |
|
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1026 return (0); |
|
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1027 } |
|
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1028 |
|
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1029 static int |
|
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1030 zfs_ioc_obj_to_path(zfs_cmd_t *zc) |
|
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1031 { |
|
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1032 objset_t *osp; |
|
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|
1033 int error; |
|
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1034 |
|
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1035 if ((error = dmu_objset_open(zc->zc_name, DMU_OST_ZFS, |
|
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1036 DS_MODE_USER | DS_MODE_READONLY, &osp)) != 0) |
|
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1037 return (error); |
|
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1038 error = zfs_obj_to_path(osp, zc->zc_obj, zc->zc_value, |
|
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|
1039 sizeof (zc->zc_value)); |
|
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|
1040 dmu_objset_close(osp); |
|
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1041 |
|
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1042 return (error); |
|
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|
1043 } |
|
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1044 |
|
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|
1045 static int |
| 789 | 1046 zfs_ioc_vdev_add(zfs_cmd_t *zc) |
| 1047 { | |
| 1048 spa_t *spa; | |
| 1049 int error; | |
| 6423 | 1050 nvlist_t *config, **l2cache, **spares; |
| 1051 uint_t nl2cache = 0, nspares = 0; | |
| 789 | 1052 |
| 1053 error = spa_open(zc->zc_name, &spa, FTAG); | |
| 1054 if (error != 0) | |
| 1055 return (error); | |
| 1056 | |
| 5450 | 1057 error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, |
| 1058 &config); | |
| 1059 (void) nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_L2CACHE, | |
| 1060 &l2cache, &nl2cache); | |
| 1061 | |
| 6423 | 1062 (void) nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_SPARES, |
| 1063 &spares, &nspares); | |
| 1064 | |
| 3912 | 1065 /* |
| 1066 * A root pool with concatenated devices is not supported. | |
| 6423 | 1067 * Thus, can not add a device to a root pool. |
| 1068 * | |
| 1069 * Intent log device can not be added to a rootpool because | |
| 1070 * during mountroot, zil is replayed, a seperated log device | |
| 1071 * can not be accessed during the mountroot time. | |
| 1072 * | |
| 1073 * l2cache and spare devices are ok to be added to a rootpool. | |
| 3912 | 1074 */ |
| 6423 | 1075 if (spa->spa_bootfs != 0 && nl2cache == 0 && nspares == 0) { |
| 3912 | 1076 spa_close(spa, FTAG); |
| 1077 return (EDOM); | |
| 1078 } | |
| 1079 | |
| 5450 | 1080 if (error == 0) { |
| 789 | 1081 error = spa_vdev_add(spa, config); |
| 1082 nvlist_free(config); | |
| 1083 } | |
| 1084 spa_close(spa, FTAG); | |
| 1085 return (error); | |
| 1086 } | |
| 1087 | |
| 1088 static int | |
| 1089 zfs_ioc_vdev_remove(zfs_cmd_t *zc) | |
| 1090 { | |
| 2082 | 1091 spa_t *spa; |
| 1092 int error; | |
| 1093 | |
| 1094 error = spa_open(zc->zc_name, &spa, FTAG); | |
| 1095 if (error != 0) | |
| 1096 return (error); | |
| 1097 error = spa_vdev_remove(spa, zc->zc_guid, B_FALSE); | |
| 1098 spa_close(spa, FTAG); | |
| 1099 return (error); | |
| 789 | 1100 } |
| 1101 | |
| 1102 static int | |
| 4451 | 1103 zfs_ioc_vdev_set_state(zfs_cmd_t *zc) |
| 789 | 1104 { |
| 1105 spa_t *spa; | |
| 1106 int error; | |
| 4451 | 1107 vdev_state_t newstate = VDEV_STATE_UNKNOWN; |
| 789 | 1108 |
| 2926 | 1109 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
| 789 | 1110 return (error); |
| 4451 | 1111 switch (zc->zc_cookie) { |
| 1112 case VDEV_STATE_ONLINE: | |
| 1113 error = vdev_online(spa, zc->zc_guid, zc->zc_obj, &newstate); | |
| 1114 break; | |
| 1115 | |
| 1116 case VDEV_STATE_OFFLINE: | |
| 1117 error = vdev_offline(spa, zc->zc_guid, zc->zc_obj); | |
| 1118 break; | |
| 789 | 1119 |
| 4451 | 1120 case VDEV_STATE_FAULTED: |
| 1121 error = vdev_fault(spa, zc->zc_guid); | |
| 1122 break; | |
| 789 | 1123 |
| 4451 | 1124 case VDEV_STATE_DEGRADED: |
| 1125 error = vdev_degrade(spa, zc->zc_guid); | |
| 1126 break; | |
| 1127 | |
| 1128 default: | |
| 1129 error = EINVAL; | |
| 1130 } | |
| 1131 zc->zc_cookie = newstate; | |
| 789 | 1132 spa_close(spa, FTAG); |
| 1133 return (error); | |
| 1134 } | |
| 1135 | |
| 1136 static int | |
| 1137 zfs_ioc_vdev_attach(zfs_cmd_t *zc) | |
| 1138 { | |
| 1139 spa_t *spa; | |
| 1140 int replacing = zc->zc_cookie; | |
| 1141 nvlist_t *config; | |
| 1142 int error; | |
| 1143 | |
| 2926 | 1144 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
| 789 | 1145 return (error); |
| 1146 | |
| 5094 | 1147 if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size, |
| 1148 &config)) == 0) { | |
| 1544 | 1149 error = spa_vdev_attach(spa, zc->zc_guid, config, replacing); |
| 789 | 1150 nvlist_free(config); |
| 1151 } | |
| 1152 | |
| 1153 spa_close(spa, FTAG); | |
| 1154 return (error); | |
| 1155 } | |
| 1156 | |
| 1157 static int | |
| 1158 zfs_ioc_vdev_detach(zfs_cmd_t *zc) | |
| 1159 { | |
| 1160 spa_t *spa; | |
| 1161 int error; | |
| 1162 | |
| 2926 | 1163 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
| 789 | 1164 return (error); |
| 1165 | |
|
8241
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Jeff Bonwick <Jeff.Bonwick@Sun.COM>
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diff
changeset
|
1166 error = spa_vdev_detach(spa, zc->zc_guid, 0, B_FALSE); |
| 789 | 1167 |
| 1168 spa_close(spa, FTAG); | |
| 1169 return (error); | |
| 1170 } | |
| 1171 | |
| 1172 static int | |
|
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|
1173 zfs_ioc_vdev_setpath(zfs_cmd_t *zc) |
|
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|
1174 { |
|
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|
1175 spa_t *spa; |
| 2676 | 1176 char *path = zc->zc_value; |
| 1544 | 1177 uint64_t guid = zc->zc_guid; |
|
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|
1178 int error; |
|
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|
1179 |
|
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|
1180 error = spa_open(zc->zc_name, &spa, FTAG); |
|
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|
1181 if (error != 0) |
|
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|
1182 return (error); |
|
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|
1183 |
|
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|
1184 error = spa_vdev_setpath(spa, guid, path); |
|
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|
1185 spa_close(spa, FTAG); |
|
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|
1186 return (error); |
|
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|
1187 } |
|
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|
1188 |
| 5367 | 1189 /* |
| 1190 * inputs: | |
| 1191 * zc_name name of filesystem | |
| 1192 * zc_nvlist_dst_size size of buffer for property nvlist | |
| 1193 * | |
| 1194 * outputs: | |
| 1195 * zc_objset_stats stats | |
| 1196 * zc_nvlist_dst property nvlist | |
| 1197 * zc_nvlist_dst_size size of property nvlist | |
| 1198 */ | |
|
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|
1199 static int |
| 789 | 1200 zfs_ioc_objset_stats(zfs_cmd_t *zc) |
| 1201 { | |
| 1202 objset_t *os = NULL; | |
| 1203 int error; | |
|
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|
1204 nvlist_t *nv; |
| 789 | 1205 |
|
6689
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|
1206 if (error = dmu_objset_open(zc->zc_name, |
|
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|
1207 DMU_OST_ANY, DS_MODE_USER | DS_MODE_READONLY, &os)) |
| 789 | 1208 return (error); |
| 1209 | |
| 2885 | 1210 dmu_objset_fast_stat(os, &zc->zc_objset_stats); |
| 789 | 1211 |
| 2856 | 1212 if (zc->zc_nvlist_dst != 0 && |
|
6689
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|
1213 (error = dsl_prop_get_all(os, &nv, FALSE)) == 0) { |
| 2885 | 1214 dmu_objset_stats(os, nv); |
| 3087 | 1215 /* |
|
5147
5e950ccc9585
6596190 "zfs list" is slow due to version property
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5118
diff
changeset
|
1216 * NB: zvol_get_stats() will read the objset contents, |
| 3087 | 1217 * which we aren't supposed to do with a |
|
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|
1218 * DS_MODE_USER hold, because it could be |
| 3087 | 1219 * inconsistent. So this is a bit of a workaround... |
| 1220 */ | |
| 4577 | 1221 if (!zc->zc_objset_stats.dds_inconsistent) { |
| 1222 if (dmu_objset_type(os) == DMU_OST_ZVOL) | |
| 1223 VERIFY(zvol_get_stats(os, nv) == 0); | |
| 1224 } | |
| 2676 | 1225 error = put_nvlist(zc, nv); |
|
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|
1226 nvlist_free(nv); |
|
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|
1227 } |
| 789 | 1228 |
| 1229 dmu_objset_close(os); | |
| 1230 return (error); | |
| 1231 } | |
| 1232 | |
|
5498
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|
1233 static int |
|
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|
1234 nvl_add_zplprop(objset_t *os, nvlist_t *props, zfs_prop_t prop) |
|
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|
1235 { |
|
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|
1236 uint64_t value; |
|
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|
1237 int error; |
|
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|
1238 |
|
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|
1239 /* |
|
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|
1240 * zfs_get_zplprop() will either find a value or give us |
|
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|
1241 * the default value (if there is one). |
|
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|
1242 */ |
|
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|
1243 if ((error = zfs_get_zplprop(os, prop, &value)) != 0) |
|
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|
1244 return (error); |
|
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|
1245 VERIFY(nvlist_add_uint64(props, zfs_prop_to_name(prop), value) == 0); |
|
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|
1246 return (0); |
|
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|
1247 } |
|
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|
1248 |
|
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|
1249 /* |
|
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|
1250 * inputs: |
|
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|
1251 * zc_name name of filesystem |
|
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|
1252 * zc_nvlist_dst_size size of buffer for zpl property nvlist |
|
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|
1253 * |
|
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|
1254 * outputs: |
|
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|
1255 * zc_nvlist_dst zpl property nvlist |
|
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|
1256 * zc_nvlist_dst_size size of zpl property nvlist |
|
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|
1257 */ |
|
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|
1258 static int |
|
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|
1259 zfs_ioc_objset_zplprops(zfs_cmd_t *zc) |
|
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|
1260 { |
|
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|
1261 objset_t *os; |
|
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|
1262 int err; |
|
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|
1263 |
|
6689
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|
1264 if (err = dmu_objset_open(zc->zc_name, |
|
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|
1265 DMU_OST_ANY, DS_MODE_USER | DS_MODE_READONLY, &os)) |
|
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|
1266 return (err); |
|
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|
1267 |
|
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|
1268 dmu_objset_fast_stat(os, &zc->zc_objset_stats); |
|
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|
1269 |
|
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|
1270 /* |
|
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|
1271 * NB: nvl_add_zplprop() will read the objset contents, |
|
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|
1272 * which we aren't supposed to do with a DS_MODE_USER |
|
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|
1273 * hold, because it could be inconsistent. |
|
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|
1274 */ |
|
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|
1275 if (zc->zc_nvlist_dst != NULL && |
|
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|
1276 !zc->zc_objset_stats.dds_inconsistent && |
|
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|
1277 dmu_objset_type(os) == DMU_OST_ZFS) { |
|
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|
1278 nvlist_t *nv; |
|
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|
1279 |
|
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|
1280 VERIFY(nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
|
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1281 if ((err = nvl_add_zplprop(os, nv, ZFS_PROP_VERSION)) == 0 && |
|
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1282 (err = nvl_add_zplprop(os, nv, ZFS_PROP_NORMALIZE)) == 0 && |
|
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1283 (err = nvl_add_zplprop(os, nv, ZFS_PROP_UTF8ONLY)) == 0 && |
|
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1284 (err = nvl_add_zplprop(os, nv, ZFS_PROP_CASE)) == 0) |
|
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|
1285 err = put_nvlist(zc, nv); |
|
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|
1286 nvlist_free(nv); |
|
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|
1287 } else { |
|
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|
1288 err = ENOENT; |
|
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|
1289 } |
|
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|
1290 dmu_objset_close(os); |
|
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|
1291 return (err); |
|
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|
1292 } |
|
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|
1293 |
| 5367 | 1294 /* |
| 1295 * inputs: | |
| 1296 * zc_name name of filesystem | |
| 1297 * zc_cookie zap cursor | |
| 1298 * zc_nvlist_dst_size size of buffer for property nvlist | |
| 1299 * | |
| 1300 * outputs: | |
| 1301 * zc_name name of next filesystem | |
| 1302 * zc_objset_stats stats | |
| 1303 * zc_nvlist_dst property nvlist | |
| 1304 * zc_nvlist_dst_size size of property nvlist | |
| 1305 */ | |
| 789 | 1306 static int |
| 1307 zfs_ioc_dataset_list_next(zfs_cmd_t *zc) | |
| 1308 { | |
|
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1309 objset_t *os; |
| 789 | 1310 int error; |
| 1311 char *p; | |
| 1312 | |
|
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|
1313 if (error = dmu_objset_open(zc->zc_name, |
|
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|
1314 DMU_OST_ANY, DS_MODE_USER | DS_MODE_READONLY, &os)) { |
|
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1315 if (error == ENOENT) |
|
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1316 error = ESRCH; |
|
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|
1317 return (error); |
| 789 | 1318 } |
| 1319 | |
| 1320 p = strrchr(zc->zc_name, '/'); | |
| 1321 if (p == NULL || p[1] != '\0') | |
| 1322 (void) strlcat(zc->zc_name, "/", sizeof (zc->zc_name)); | |
| 1323 p = zc->zc_name + strlen(zc->zc_name); | |
| 1324 | |
|
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|
1325 /* |
|
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|
1326 * Pre-fetch the datasets. dmu_objset_prefetch() always returns 0 |
|
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|
1327 * but is not declared void because its called by dmu_objset_find(). |
|
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|
1328 */ |
|
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|
1329 if (zc->zc_cookie == 0) { |
|
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|
1330 uint64_t cookie = 0; |
|
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|
1331 int len = sizeof (zc->zc_name) - (p - zc->zc_name); |
|
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|
1332 |
|
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|
1333 while (dmu_dir_list_next(os, len, p, NULL, &cookie) == 0) |
|
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|
1334 (void) dmu_objset_prefetch(p, NULL); |
|
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|
1335 } |
|
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|
1336 |
| 789 | 1337 do { |
|
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1338 error = dmu_dir_list_next(os, |
|
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|
1339 sizeof (zc->zc_name) - (p - zc->zc_name), p, |
|
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|
1340 NULL, &zc->zc_cookie); |
| 789 | 1341 if (error == ENOENT) |
| 1342 error = ESRCH; | |
|
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|
1343 } while (error == 0 && !INGLOBALZONE(curproc) && |
| 789 | 1344 !zone_dataset_visible(zc->zc_name, NULL)); |
|
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|
1345 dmu_objset_close(os); |
| 789 | 1346 |
|
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|
1347 /* |
|
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|
1348 * If it's a hidden dataset (ie. with a '$' in its name), don't |
|
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1349 * try to get stats for it. Userland will skip over it. |
|
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|
1350 */ |
|
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|
1351 if (error == 0 && strchr(zc->zc_name, '$') == NULL) |
|
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|
1352 error = zfs_ioc_objset_stats(zc); /* fill in the stats */ |
| 789 | 1353 |
| 1354 return (error); | |
| 1355 } | |
| 1356 | |
| 5367 | 1357 /* |
| 1358 * inputs: | |
| 1359 * zc_name name of filesystem | |
| 1360 * zc_cookie zap cursor | |
| 1361 * zc_nvlist_dst_size size of buffer for property nvlist | |
| 1362 * | |
| 1363 * outputs: | |
| 1364 * zc_name name of next snapshot | |
| 1365 * zc_objset_stats stats | |
| 1366 * zc_nvlist_dst property nvlist | |
| 1367 * zc_nvlist_dst_size size of property nvlist | |
| 1368 */ | |
| 789 | 1369 static int |
| 1370 zfs_ioc_snapshot_list_next(zfs_cmd_t *zc) | |
| 1371 { | |
|
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|
1372 objset_t *os; |
| 789 | 1373 int error; |
| 1374 | |
|
6689
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|
1375 error = dmu_objset_open(zc->zc_name, |
|
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|
1376 DMU_OST_ANY, DS_MODE_USER | DS_MODE_READONLY, &os); |
|
47572a2f5e73
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|
1377 if (error) |
|
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|
1378 return (error == ENOENT ? ESRCH : error); |
| 789 | 1379 |
|
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|
1380 if (zc->zc_cookie == 0) |
|
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|
1381 (void) dmu_objset_find(zc->zc_name, dmu_objset_prefetch, |
|
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|
1382 NULL, DS_FIND_SNAPSHOTS); |
| 1003 | 1383 /* |
| 1384 * A dataset name of maximum length cannot have any snapshots, | |
| 1385 * so exit immediately. | |
| 1386 */ | |
| 1387 if (strlcat(zc->zc_name, "@", sizeof (zc->zc_name)) >= MAXNAMELEN) { | |
|
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|
1388 dmu_objset_close(os); |
| 1003 | 1389 return (ESRCH); |
| 789 | 1390 } |
| 1391 | |
|
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|
1392 error = dmu_snapshot_list_next(os, |
|
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|
1393 sizeof (zc->zc_name) - strlen(zc->zc_name), |
|
5663
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6627223 gfs needs to support extended dirent flags
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|
1394 zc->zc_name + strlen(zc->zc_name), NULL, &zc->zc_cookie, NULL); |
|
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|
1395 dmu_objset_close(os); |
|
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1396 if (error == 0) |
|
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|
1397 error = zfs_ioc_objset_stats(zc); /* fill in the stats */ |
|
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|
1398 else if (error == ENOENT) |
|
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|
1399 error = ESRCH; |
| 789 | 1400 |
| 5367 | 1401 /* if we failed, undo the @ that we tacked on to zc_name */ |
|
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|
1402 if (error) |
| 5367 | 1403 *strchr(zc->zc_name, '@') = '\0'; |
| 789 | 1404 return (error); |
| 1405 } | |
| 1406 | |
| 6423 | 1407 int |
| 4787 | 1408 zfs_set_prop_nvlist(const char *name, nvlist_t *nvl) |
| 789 | 1409 { |
| 2676 | 1410 nvpair_t *elem; |
| 1411 int error; | |
| 1412 uint64_t intval; | |
| 1413 char *strval; | |
|
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|
1414 nvlist_t *genericnvl; |
| 2676 | 1415 |
| 4543 | 1416 /* |
| 1417 * First validate permission to set all of the properties | |
| 1418 */ | |
| 2676 | 1419 elem = NULL; |
| 1420 while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { | |
|
4670
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|
1421 const char *propname = nvpair_name(elem); |
|
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|
1422 zfs_prop_t prop = zfs_name_to_prop(propname); |
| 2676 | 1423 |
| 5094 | 1424 if (prop == ZPROP_INVAL) { |
| 2676 | 1425 /* |
| 1426 * If this is a user-defined property, it must be a | |
| 1427 * string, and there is no further validation to do. | |
| 1428 */ | |
| 1429 if (!zfs_prop_user(propname) || | |
| 1430 nvpair_type(elem) != DATA_TYPE_STRING) | |
| 1431 return (EINVAL); | |
| 1432 | |
| 5331 | 1433 if (error = zfs_secpolicy_write_perms(name, |
| 1434 ZFS_DELEG_PERM_USERPROP, CRED())) | |
|
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|
1435 return (error); |
| 4543 | 1436 continue; |
| 2676 | 1437 } |
| 1438 | |
| 4787 | 1439 if ((error = zfs_secpolicy_setprop(name, prop, CRED())) != 0) |
|
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|
1440 return (error); |
| 2676 | 1441 |
|
4670
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|
1442 /* |
|
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|
1443 * Check that this value is valid for this pool version |
|
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|
1444 */ |
|
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|
1445 switch (prop) { |
|
3886
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6536602 add zlib compression support and upgrade to version 1.2.3
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|
1446 case ZFS_PROP_COMPRESSION: |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
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|
1447 /* |
|
3291401d66a6
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|
1448 * If the user specified gzip compression, make sure |
|
3291401d66a6
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|
1449 * the SPA supports it. We ignore any errors here since |
|
3291401d66a6
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|
1450 * we'll catch them later. |
|
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|
1451 */ |
|
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|
1452 if (nvpair_type(elem) == DATA_TYPE_UINT64 && |
|
7042
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|
1453 nvpair_value_uint64(elem, &intval) == 0) { |
|
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|
1454 if (intval >= ZIO_COMPRESS_GZIP_1 && |
|
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|
1455 intval <= ZIO_COMPRESS_GZIP_9 && |
|
7184
9508660f9c27
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changeset
|
1456 zfs_earlier_version(name, |
| 5331 | 1457 SPA_VERSION_GZIP_COMPRESSION)) |
| 1458 return (ENOTSUP); | |
|
7042
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
1459 |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
1460 /* |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
1461 * If this is a bootable dataset then |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
1462 * verify that the compression algorithm |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
1463 * is supported for booting. We must return |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
1464 * something other than ENOTSUP since it |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
1465 * implies a downrev pool version. |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
1466 */ |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
1467 if (zfs_is_bootfs(name) && |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
1468 !BOOTFS_COMPRESS_VALID(intval)) |
|
46fc4b6db23e
6721094 Setting certain properties on root pools should not be allowed
gw25295
parents:
6865
diff
changeset
|
1469 return (ERANGE); |
|
3886
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1470 } |
|
3291401d66a6
6536602 add zlib compression support and upgrade to version 1.2.3
ahl
parents:
3863
diff
changeset
|
1471 break; |
|
4603
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1472 |
|
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1473 case ZFS_PROP_COPIES: |
|
7184
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
1474 if (zfs_earlier_version(name, |
|
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7046
diff
changeset
|
1475 SPA_VERSION_DITTO_BLOCKS)) |
| 5331 | 1476 return (ENOTSUP); |
|
4603
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1477 break; |
|
5977
33727f49aeaa
6654731 sharesmb property should only be settable on CIFS aware ZPL
marks
parents:
5663
diff
changeset
|
1478 |
|
33727f49aeaa
6654731 sharesmb property should only be settable on CIFS aware ZPL
marks
parents:
5663
diff
changeset
|
1479 case ZFS_PROP_SHARESMB: |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
1480 if (zpl_earlier_version(name, ZPL_VERSION_FUID)) |
|
5977
33727f49aeaa
6654731 sharesmb property should only be settable on CIFS aware ZPL
marks
parents:
5663
diff
changeset
|
1481 return (ENOTSUP); |
|
33727f49aeaa
6654731 sharesmb property should only be settable on CIFS aware ZPL
marks
parents:
5663
diff
changeset
|
1482 break; |
|
8053
271f44d3de11
PSARC/2008/659 New ZFS "passthrough-x" ACL inheritance rules
Mark Shellenbaum <Mark.Shellenbaum@Sun.COM>
parents:
8012
diff
changeset
|
1483 |
|
271f44d3de11
PSARC/2008/659 New ZFS "passthrough-x" ACL inheritance rules
Mark Shellenbaum <Mark.Shellenbaum@Sun.COM>
parents:
8012
diff
changeset
|
1484 case ZFS_PROP_ACLINHERIT: |
|
271f44d3de11
PSARC/2008/659 New ZFS "passthrough-x" ACL inheritance rules
Mark Shellenbaum <Mark.Shellenbaum@Sun.COM>
parents:
8012
diff
changeset
|
1485 if (nvpair_type(elem) == DATA_TYPE_UINT64 && |
|
271f44d3de11
PSARC/2008/659 New ZFS "passthrough-x" ACL inheritance rules
Mark Shellenbaum <Mark.Shellenbaum@Sun.COM>
parents:
8012
diff
changeset
|
1486 nvpair_value_uint64(elem, &intval) == 0) |
|
271f44d3de11
PSARC/2008/659 New ZFS "passthrough-x" ACL inheritance rules
Mark Shellenbaum <Mark.Shellenbaum@Sun.COM>
parents:
8012
diff
changeset
|
1487 if (intval == ZFS_ACL_PASSTHROUGH_X && |
|
271f44d3de11
PSARC/2008/659 New ZFS "passthrough-x" ACL inheritance rules
Mark Shellenbaum <Mark.Shellenbaum@Sun.COM>
parents:
8012
diff
changeset
|
1488 zfs_earlier_version(name, |
|
271f44d3de11
PSARC/2008/659 New ZFS "passthrough-x" ACL inheritance rules
Mark Shellenbaum <Mark.Shellenbaum@Sun.COM>
parents:
8012
diff
changeset
|
1489 SPA_VERSION_PASSTHROUGH_X)) |
|
271f44d3de11
PSARC/2008/659 New ZFS "passthrough-x" ACL inheritance rules
Mark Shellenbaum <Mark.Shellenbaum@Sun.COM>
parents:
8012
diff
changeset
|
1490 return (ENOTSUP); |
|
4603
c7840c367d00
6494569 zfs recv -d pool/<doesn't exist> core dumps for top-level filesystem backups
ahrens
parents:
4577
diff
changeset
|
1491 } |
| 4543 | 1492 } |
| 1493 | |
|
8697
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1494 VERIFY(nvlist_alloc(&genericnvl, NV_UNIQUE_NAME, KM_SLEEP) == 0); |
| 4543 | 1495 elem = NULL; |
| 1496 while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) { | |
|
4670
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1497 const char *propname = nvpair_name(elem); |
|
002728040e28
6580745 "zfs inherit" can be executed by ordinary user
ahrens
parents:
4611
diff
changeset
|
1498 zfs_prop_t prop = zfs_name_to_prop(propname); |
| 4543 | 1499 |
| 5094 | 1500 if (prop == ZPROP_INVAL) { |
| 4543 | 1501 VERIFY(nvpair_value_string(elem, &strval) == 0); |
| 1502 error = dsl_prop_set(name, propname, 1, | |
| 1503 strlen(strval) + 1, strval); | |
| 1504 if (error == 0) | |
| 1505 continue; | |
| 1506 else | |
|
8697
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1507 goto out; |
| 4543 | 1508 } |
| 2676 | 1509 |
| 1510 switch (prop) { | |
| 1511 case ZFS_PROP_QUOTA: | |
| 1512 if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
| 4577 | 1513 (error = dsl_dir_set_quota(name, intval)) != 0) |
|
8697
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1514 goto out; |
| 2676 | 1515 break; |
| 1516 | |
|
5378
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5375
diff
changeset
|
1517 case ZFS_PROP_REFQUOTA: |
|
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5375
diff
changeset
|
1518 if ((error = nvpair_value_uint64(elem, &intval)) != 0 || |
|
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5375
diff
changeset
|
1519 (error = dsl_dataset_set_quota(name, intval)) != 0) |
|
8697
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1520 goto out; |
|
5378
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5375
diff
changeset
|
1521 break; |
|
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5375
diff
changeset
|
1522 |
| 2676 | 1523 case ZFS_PROP_RESERVATION: |
| 1524 if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
| 1525 (error = dsl_dir_set_reservation(name, | |
| 1526 intval)) != 0) | |
|
8697
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1527 goto out; |
| 2676 | 1528 break; |
| 789 | 1529 |
|
5378
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5375
diff
changeset
|
1530 case ZFS_PROP_REFRESERVATION: |
|
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5375
diff
changeset
|
1531 if ((error = nvpair_value_uint64(elem, &intval)) != 0 || |
|
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5375
diff
changeset
|
1532 (error = dsl_dataset_set_reservation(name, |
|
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5375
diff
changeset
|
1533 intval)) != 0) |
|
8697
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1534 goto out; |
|
5378
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5375
diff
changeset
|
1535 break; |
|
111aa1baa84a
PSARC 2007/555 zfs fs-only quotas and reservations
ck153898
parents:
5375
diff
changeset
|
1536 |
| 2676 | 1537 case ZFS_PROP_VOLSIZE: |
| 1538 if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
| 4787 | 1539 (error = zvol_set_volsize(name, |
| 1540 ddi_driver_major(zfs_dip), intval)) != 0) | |
|
8697
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1541 goto out; |
| 2676 | 1542 break; |
| 1543 | |
| 1544 case ZFS_PROP_VOLBLOCKSIZE: | |
| 1545 if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
| 4577 | 1546 (error = zvol_set_volblocksize(name, intval)) != 0) |
|
8697
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1547 goto out; |
| 4577 | 1548 break; |
| 1549 | |
| 1550 case ZFS_PROP_VERSION: | |
| 1551 if ((error = nvpair_value_uint64(elem, &intval)) != 0 || | |
| 1552 (error = zfs_set_version(name, intval)) != 0) | |
|
8697
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1553 goto out; |
| 2676 | 1554 break; |
| 1555 | |
| 1556 default: | |
| 1557 if (nvpair_type(elem) == DATA_TYPE_STRING) { | |
| 1558 if (zfs_prop_get_type(prop) != | |
|
8697
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1559 PROP_TYPE_STRING) { |
|
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1560 error = EINVAL; |
|
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1561 goto out; |
|
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1562 } |
| 2676 | 1563 } else if (nvpair_type(elem) == DATA_TYPE_UINT64) { |
| 2885 | 1564 const char *unused; |
| 1565 | |
|
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1566 VERIFY(nvpair_value_uint64(elem, &intval) == 0); |
| 2676 | 1567 |
| 1568 switch (zfs_prop_get_type(prop)) { | |
| 4787 | 1569 case PROP_TYPE_NUMBER: |
| 2676 | 1570 break; |
| 4787 | 1571 case PROP_TYPE_STRING: |
|
8697
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1572 error = EINVAL; |
|
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1573 goto out; |
| 4787 | 1574 case PROP_TYPE_INDEX: |
|
2717
ed589a32259d
6469385 zfs_set_prop_nvlist range checking is busted
eschrock
parents:
2676
diff
changeset
|
1575 if (zfs_prop_index_to_string(prop, |
|
8697
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1576 intval, &unused) != 0) { |
|
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1577 error = EINVAL; |
|
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1578 goto out; |
|
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1579 } |
| 2676 | 1580 break; |
| 1581 default: | |
| 4577 | 1582 cmn_err(CE_PANIC, |
| 1583 "unknown property type"); | |
| 2676 | 1584 break; |
| 1585 } | |
| 1586 } else { | |
|
8697
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1587 error = EINVAL; |
|
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1588 goto out; |
| 2676 | 1589 } |
|
8697
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1590 if ((error = nvlist_add_nvpair(genericnvl, elem)) != 0) |
|
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1591 goto out; |
| 2676 | 1592 } |
| 1593 } | |
| 1594 | |
|
8697
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1595 if (nvlist_next_nvpair(genericnvl, NULL) != NULL) { |
|
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1596 error = dsl_props_set(name, genericnvl); |
|
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1597 } |
|
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1598 out: |
|
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1599 nvlist_free(genericnvl); |
|
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1600 return (error); |
| 789 | 1601 } |
| 1602 | |
| 5367 | 1603 /* |
| 1604 * inputs: | |
| 1605 * zc_name name of filesystem | |
|
8697
e62d2612c14d
6633095 creating a filesystem with many properties set is slow
Rich Morris <Richard.Morris@Sun.COM>
parents:
8536
diff
changeset
|
1606 * zc_value name of property to set |
| 5367 | 1607 * zc_nvlist_src{_size} nvlist of properties to apply |
| 7265 | 1608 * zc_cookie clear existing local props? |
| 5367 | 1609 * |
| 1610 * outputs: none | |
| 1611 */ | |
| 789 | 1612 static int |
| 2676 | 1613 zfs_ioc_set_prop(zfs_cmd_t *zc) |
| 789 | 1614 { |
| 2676 | 1615 nvlist_t *nvl; |
| 1616 int error; | |
| 789 | 1617 |
| 5094 | 1618 if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, |
| 1619 &nvl)) != 0) | |
| 2676 | 1620 return (error); |
| 1621 | |
| 7265 | 1622 if (zc->zc_cookie) { |
| 1623 nvlist_t *origprops; | |
| 1624 objset_t *os; | |
| 1625 | |
| 1626 if (dmu_objset_open(zc->zc_name, DMU_OST_ANY, | |
| 1627 DS_MODE_USER | DS_MODE_READONLY, &os) == 0) { | |
| 1628 if (dsl_prop_get_all(os, &origprops, TRUE) == 0) { | |
|
8536
33bd5de3260e
6748561 core dump when zfs_alloc() fails and libzfs_printerr == 0
David Pacheco <David.Pacheco@Sun.COM>
parents:
8525
diff
changeset
|
1629 clear_props(zc->zc_name, origprops, nvl); |
| 7265 | 1630 nvlist_free(origprops); |
| 1631 } | |
| 1632 dmu_objset_close(os); | |
| 1633 } | |
| 1634 | |
| 1635 } | |
| 1636 | |
| 4787 | 1637 error = zfs_set_prop_nvlist(zc->zc_name, nvl); |
| 4543 | 1638 |
| 2676 | 1639 nvlist_free(nvl); |
| 1640 return (error); | |
| 789 | 1641 } |
| 1642 | |
| 5367 | 1643 /* |
| 1644 * inputs: | |
| 1645 * zc_name name of filesystem | |
| 1646 * zc_value name of property to inherit | |
| 1647 * | |
| 1648 * outputs: none | |
| 1649 */ | |
| 789 | 1650 static int |
|
4849
3a61e0a9a953
6536043 arc_byteswap_func_t and dmu_byteswap_func_t are redundant
ahrens
parents:
4808
diff
changeset
|
1651 zfs_ioc_inherit_prop(zfs_cmd_t *zc) |
|
3a61e0a9a953
6536043 arc_byteswap_func_t and dmu_byteswap_func_t are redundant
ahrens
parents:
4808
diff
changeset
|
1652 { |
|
3a61e0a9a953
6536043 arc_byteswap_func_t and dmu_byteswap_func_t are redundant
ahrens
parents:
4808
diff
changeset
|
1653 /* the property name has been validated by zfs_secpolicy_inherit() */ |
|
3a61e0a9a953
6536043 arc_byteswap_func_t and dmu_byteswap_func_t are redundant
ahrens
parents:
4808
diff
changeset
|
1654 return (dsl_prop_set(zc->zc_name, zc->zc_value, 0, 0, NULL)); |
|
3a61e0a9a953
6536043 arc_byteswap_func_t and dmu_byteswap_func_t are redundant
ahrens
parents:
4808
diff
changeset
|
1655 } |
|
3a61e0a9a953
6536043 arc_byteswap_func_t and dmu_byteswap_func_t are redundant
ahrens
parents:
4808
diff
changeset
|
1656 |
|
3a61e0a9a953
6536043 arc_byteswap_func_t and dmu_byteswap_func_t are redundant
ahrens
parents:
4808
diff
changeset
|
1657 static int |
|
4098
0a182c2128e6
6545726 make ZFS_IOC_POOL_*_PROPS in sync with zfs_ioc_pool_props_*
lling
parents:
4007
diff
changeset
|
1658 zfs_ioc_pool_set_props(zfs_cmd_t *zc) |
| 3912 | 1659 { |
| 5094 | 1660 nvlist_t *props; |
| 3912 | 1661 spa_t *spa; |
| 5094 | 1662 int error; |
|
8525
e0e0e525d0f8
6788830 set large value to reservation cause core dump
Eric Schrock <Eric.Schrock@Sun.COM>
parents:
8415
diff
changeset
|
1663 nvpair_t *elem; |
| 3912 | 1664 |
| 5094 | 1665 if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, |
| 1666 &props))) | |
| 3912 | 1667 return (error); |
| 1668 | |
|
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1669 /* |
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1670 * If the only property is the configfile, then just do a spa_lookup() |
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1671 * to handle the faulted case. |
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1672 */ |
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1673 elem = nvlist_next_nvpair(props, NULL); |
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1674 if (elem != NULL && strcmp(nvpair_name(elem), |
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1675 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE)) == 0 && |
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1676 nvlist_next_nvpair(props, elem) == NULL) { |
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1677 mutex_enter(&spa_namespace_lock); |
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1678 if ((spa = spa_lookup(zc->zc_name)) != NULL) { |
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1679 spa_configfile_set(spa, props, B_FALSE); |
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1680 spa_config_sync(spa, B_FALSE, B_TRUE); |
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1681 } |
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1682 mutex_exit(&spa_namespace_lock); |
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1683 if (spa != NULL) |
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1684 return (0); |
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1685 } |
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1686 |
| 3912 | 1687 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) { |
| 5094 | 1688 nvlist_free(props); |
| 3912 | 1689 return (error); |
| 1690 } | |
| 1691 | |
| 5094 | 1692 error = spa_prop_set(spa, props); |
| 3912 | 1693 |
| 5094 | 1694 nvlist_free(props); |
| 3912 | 1695 spa_close(spa, FTAG); |
| 1696 | |
| 1697 return (error); | |
| 1698 } | |
| 1699 | |
| 1700 static int | |
|
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1701 zfs_ioc_pool_get_props(zfs_cmd_t *zc) |
| 3912 | 1702 { |
| 1703 spa_t *spa; | |
| 1704 int error; | |
| 1705 nvlist_t *nvp = NULL; | |
| 1706 | |
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1707 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) { |
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1708 /* |
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1709 * If the pool is faulted, there may be properties we can still |
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1710 * get (such as altroot and cachefile), so attempt to get them |
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1711 * anyway. |
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1712 */ |
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1713 mutex_enter(&spa_namespace_lock); |
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1714 if ((spa = spa_lookup(zc->zc_name)) != NULL) |
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1715 error = spa_prop_get(spa, &nvp); |
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1716 mutex_exit(&spa_namespace_lock); |
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1717 } else { |
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1718 error = spa_prop_get(spa, &nvp); |
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1719 spa_close(spa, FTAG); |
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1720 } |
| 3912 | 1721 |
| 1722 if (error == 0 && zc->zc_nvlist_dst != NULL) | |
| 1723 error = put_nvlist(zc, nvp); | |
| 1724 else | |
| 1725 error = EFAULT; | |
| 1726 | |
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1727 nvlist_free(nvp); |
| 3912 | 1728 return (error); |
| 1729 } | |
| 1730 | |
| 1731 static int | |
| 4543 | 1732 zfs_ioc_iscsi_perm_check(zfs_cmd_t *zc) |
| 1733 { | |
| 1734 nvlist_t *nvp; | |
| 1735 int error; | |
| 1736 uint32_t uid; | |
| 1737 uint32_t gid; | |
| 1738 uint32_t *groups; | |
| 1739 uint_t group_cnt; | |
| 1740 cred_t *usercred; | |
| 1741 | |
| 5094 | 1742 if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, |
| 1743 &nvp)) != 0) { | |
| 4543 | 1744 return (error); |
| 1745 } | |
| 1746 | |
| 1747 if ((error = nvlist_lookup_uint32(nvp, | |
| 1748 ZFS_DELEG_PERM_UID, &uid)) != 0) { | |
| 1749 nvlist_free(nvp); | |
| 1750 return (EPERM); | |
| 1751 } | |
| 1752 | |
| 1753 if ((error = nvlist_lookup_uint32(nvp, | |
| 1754 ZFS_DELEG_PERM_GID, &gid)) != 0) { | |
| 1755 nvlist_free(nvp); | |
| 1756 return (EPERM); | |
| 1757 } | |
| 1758 | |
| 1759 if ((error = nvlist_lookup_uint32_array(nvp, ZFS_DELEG_PERM_GROUPS, | |
| 1760 &groups, &group_cnt)) != 0) { | |
| 1761 nvlist_free(nvp); | |
| 1762 return (EPERM); | |
| 1763 } | |
| 1764 usercred = cralloc(); | |
| 1765 if ((crsetugid(usercred, uid, gid) != 0) || | |
| 1766 (crsetgroups(usercred, group_cnt, (gid_t *)groups) != 0)) { | |
| 1767 nvlist_free(nvp); | |
| 1768 crfree(usercred); | |
| 1769 return (EPERM); | |
| 1770 } | |
| 1771 nvlist_free(nvp); | |
| 1772 error = dsl_deleg_access(zc->zc_name, | |
| 4787 | 1773 zfs_prop_to_name(ZFS_PROP_SHAREISCSI), usercred); |
| 4543 | 1774 crfree(usercred); |
| 1775 return (error); | |
| 1776 } | |
| 1777 | |
| 5367 | 1778 /* |
| 1779 * inputs: | |
| 1780 * zc_name name of filesystem | |
| 1781 * zc_nvlist_src{_size} nvlist of delegated permissions | |
| 1782 * zc_perm_action allow/unallow flag | |
| 1783 * | |
| 1784 * outputs: none | |
| 1785 */ | |
| 4543 | 1786 static int |
| 1787 zfs_ioc_set_fsacl(zfs_cmd_t *zc) | |
| 1788 { | |
| 1789 int error; | |
| 1790 nvlist_t *fsaclnv = NULL; | |
| 1791 | |
| 5094 | 1792 if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, |
| 1793 &fsaclnv)) != 0) | |
| 4543 | 1794 return (error); |
| 1795 | |
| 1796 /* | |
| 1797 * Verify nvlist is constructed correctly | |
| 1798 */ | |
| 1799 if ((error = zfs_deleg_verify_nvlist(fsaclnv)) != 0) { | |
| 1800 nvlist_free(fsaclnv); | |
| 1801 return (EINVAL); | |
| 1802 } | |
| 1803 | |
| 1804 /* | |
| 1805 * If we don't have PRIV_SYS_MOUNT, then validate | |
| 1806 * that user is allowed to hand out each permission in | |
| 1807 * the nvlist(s) | |
| 1808 */ | |
| 1809 | |
| 4787 | 1810 error = secpolicy_zfs(CRED()); |
| 4543 | 1811 if (error) { |
| 4787 | 1812 if (zc->zc_perm_action == B_FALSE) { |
| 1813 error = dsl_deleg_can_allow(zc->zc_name, | |
| 1814 fsaclnv, CRED()); | |
| 1815 } else { | |
| 1816 error = dsl_deleg_can_unallow(zc->zc_name, | |
| 1817 fsaclnv, CRED()); | |
| 1818 } | |
| 4543 | 1819 } |
| 1820 | |
| 1821 if (error == 0) | |
| 1822 error = dsl_deleg_set(zc->zc_name, fsaclnv, zc->zc_perm_action); | |
| 1823 | |
| 1824 nvlist_free(fsaclnv); | |
| 1825 return (error); | |
| 1826 } | |
| 1827 | |
| 5367 | 1828 /* |
| 1829 * inputs: | |
| 1830 * zc_name name of filesystem | |
| 1831 * | |
| 1832 * outputs: | |
| 1833 * zc_nvlist_src{_size} nvlist of delegated permissions | |
| 1834 */ | |
| 4543 | 1835 static int |
| 1836 zfs_ioc_get_fsacl(zfs_cmd_t *zc) | |
| 1837 { | |
| 1838 nvlist_t *nvp; | |
| 1839 int error; | |
| 1840 | |
| 1841 if ((error = dsl_deleg_get(zc->zc_name, &nvp)) == 0) { | |
| 1842 error = put_nvlist(zc, nvp); | |
| 1843 nvlist_free(nvp); | |
| 1844 } | |
| 1845 | |
| 1846 return (error); | |
| 1847 } | |
| 1848 | |
| 5367 | 1849 /* |
| 1850 * inputs: | |
| 1851 * zc_name name of volume | |
| 1852 * | |
| 1853 * outputs: none | |
| 1854 */ | |
| 4543 | 1855 static int |
| 789 | 1856 zfs_ioc_create_minor(zfs_cmd_t *zc) |
| 1857 { | |
| 4787 | 1858 return (zvol_create_minor(zc->zc_name, ddi_driver_major(zfs_dip))); |
| 789 | 1859 } |
| 1860 | |
| 5367 | 1861 /* |
| 1862 * inputs: | |
| 1863 * zc_name name of volume | |
| 1864 * | |
| 1865 * outputs: none | |
| 1866 */ | |
| 789 | 1867 static int |
| 1868 zfs_ioc_remove_minor(zfs_cmd_t *zc) | |
| 1869 { | |
| 2676 | 1870 return (zvol_remove_minor(zc->zc_name)); |
| 789 | 1871 } |
| 1872 | |
| 1873 /* | |
| 1874 * Search the vfs list for a specified resource. Returns a pointer to it | |
| 1875 * or NULL if no suitable entry is found. The caller of this routine | |
| 1876 * is responsible for releasing the returned vfs pointer. | |
| 1877 */ | |
| 1878 static vfs_t * | |
| 1879 zfs_get_vfs(const char *resource) | |
| 1880 { | |
| 1881 struct vfs *vfsp; | |
| 1882 struct vfs *vfs_found = NULL; | |
| 1883 | |
| 1884 vfs_list_read_lock(); | |
| 1885 vfsp = rootvfs; | |
| 1886 do { | |
| 1887 if (strcmp(refstr_value(vfsp->vfs_resource), resource) == 0) { | |
| 1888 VFS_HOLD(vfsp); | |
| 1889 vfs_found = vfsp; | |
| 1890 break; | |
| 1891 } | |
| 1892 vfsp = vfsp->vfs_next; | |
| 1893 } while (vfsp != rootvfs); | |
| 1894 vfs_list_unlock(); | |
| 1895 return (vfs_found); | |
| 1896 } | |
| 1897 | |
| 4543 | 1898 /* ARGSUSED */ |
| 789 | 1899 static void |
| 4543 | 1900 zfs_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx) |
| 789 | 1901 { |
| 5331 | 1902 zfs_creat_t *zct = arg; |
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1903 |
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1904 zfs_create_fs(os, cr, zct->zct_zplprops, tx); |
| 5331 | 1905 } |
| 1906 | |
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1907 #define ZFS_PROP_UNDEFINED ((uint64_t)-1) |
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1908 |
| 5331 | 1909 /* |
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1910 * inputs: |
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1911 * createprops list of properties requested by creator |
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1912 * default_zplver zpl version to use if unspecified in createprops |
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1913 * fuids_ok fuids allowed in this version of the spa? |
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1914 * os parent objset pointer (NULL if root fs) |
| 5331 | 1915 * |
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1916 * outputs: |
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1917 * zplprops values for the zplprops we attach to the master node object |
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1918 * is_ci true if requested file system will be purely case-insensitive |
| 5331 | 1919 * |
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1920 * Determine the settings for utf8only, normalization and |
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1921 * casesensitivity. Specific values may have been requested by the |
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1922 * creator and/or we can inherit values from the parent dataset. If |
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1923 * the file system is of too early a vintage, a creator can not |
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1924 * request settings for these properties, even if the requested |
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1925 * setting is the default value. We don't actually want to create dsl |
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1926 * properties for these, so remove them from the source nvlist after |
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1927 * processing. |
| 5331 | 1928 */ |
| 1929 static int | |
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1930 zfs_fill_zplprops_impl(objset_t *os, uint64_t default_zplver, |
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1931 boolean_t fuids_ok, nvlist_t *createprops, nvlist_t *zplprops, |
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1932 boolean_t *is_ci) |
| 5331 | 1933 { |
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1934 uint64_t zplver = default_zplver; |
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1935 uint64_t sense = ZFS_PROP_UNDEFINED; |
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1936 uint64_t norm = ZFS_PROP_UNDEFINED; |
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1937 uint64_t u8 = ZFS_PROP_UNDEFINED; |
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1938 |
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1939 ASSERT(zplprops != NULL); |
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1940 |
| 5375 | 1941 /* |
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1942 * Pull out creator prop choices, if any. |
| 5375 | 1943 */ |
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1944 if (createprops) { |
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1945 (void) nvlist_lookup_uint64(createprops, |
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1946 zfs_prop_to_name(ZFS_PROP_VERSION), &zplver); |
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1947 (void) nvlist_lookup_uint64(createprops, |
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1948 zfs_prop_to_name(ZFS_PROP_NORMALIZE), &norm); |
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1949 (void) nvlist_remove_all(createprops, |
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1950 zfs_prop_to_name(ZFS_PROP_NORMALIZE)); |
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1951 (void) nvlist_lookup_uint64(createprops, |
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1952 zfs_prop_to_name(ZFS_PROP_UTF8ONLY), &u8); |
|
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1953 (void) nvlist_remove_all(createprops, |
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1954 zfs_prop_to_name(ZFS_PROP_UTF8ONLY)); |
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1955 (void) nvlist_lookup_uint64(createprops, |
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1956 zfs_prop_to_name(ZFS_PROP_CASE), &sense); |
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1957 (void) nvlist_remove_all(createprops, |
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1958 zfs_prop_to_name(ZFS_PROP_CASE)); |
| 5331 | 1959 } |
| 1960 | |
| 5375 | 1961 /* |
|
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1962 * If the zpl version requested is whacky or the file system |
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1963 * or pool is version is too "young" to support normalization |
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1964 * and the creator tried to set a value for one of the props, |
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1965 * error out. |
|
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1966 */ |
|
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1967 if ((zplver < ZPL_VERSION_INITIAL || zplver > ZPL_VERSION) || |
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1968 (zplver >= ZPL_VERSION_FUID && !fuids_ok) || |
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1969 (zplver < ZPL_VERSION_NORMALIZATION && |
|
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1970 (norm != ZFS_PROP_UNDEFINED || u8 != ZFS_PROP_UNDEFINED || |
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1971 sense != ZFS_PROP_UNDEFINED))) |
|
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1972 return (ENOTSUP); |
|
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1973 |
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1974 /* |
|
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1975 * Put the version in the zplprops |
|
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1976 */ |
|
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1977 VERIFY(nvlist_add_uint64(zplprops, |
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1978 zfs_prop_to_name(ZFS_PROP_VERSION), zplver) == 0); |
|
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1979 |
|
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1980 if (norm == ZFS_PROP_UNDEFINED) |
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1981 VERIFY(zfs_get_zplprop(os, ZFS_PROP_NORMALIZE, &norm) == 0); |
|
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1982 VERIFY(nvlist_add_uint64(zplprops, |
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1983 zfs_prop_to_name(ZFS_PROP_NORMALIZE), norm) == 0); |
|
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1984 |
|
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1985 /* |
|
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1986 * If we're normalizing, names must always be valid UTF-8 strings. |
|
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1987 */ |
|
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1988 if (norm) |
|
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1989 u8 = 1; |
|
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1990 if (u8 == ZFS_PROP_UNDEFINED) |
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1991 VERIFY(zfs_get_zplprop(os, ZFS_PROP_UTF8ONLY, &u8) == 0); |
|
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1992 VERIFY(nvlist_add_uint64(zplprops, |
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1993 zfs_prop_to_name(ZFS_PROP_UTF8ONLY), u8) == 0); |
|
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1994 |
|
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1995 if (sense == ZFS_PROP_UNDEFINED) |
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1996 VERIFY(zfs_get_zplprop(os, ZFS_PROP_CASE, &sense) == 0); |
|
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1997 VERIFY(nvlist_add_uint64(zplprops, |
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1998 zfs_prop_to_name(ZFS_PROP_CASE), sense) == 0); |
|
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1999 |
|
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2000 if (is_ci) |
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2001 *is_ci = (sense == ZFS_CASE_INSENSITIVE); |
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2002 |
|
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2003 return (0); |
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2004 } |
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2005 |
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2006 static int |
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2007 zfs_fill_zplprops(const char *dataset, nvlist_t *createprops, |
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2008 nvlist_t *zplprops, boolean_t *is_ci) |
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2009 { |
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2010 boolean_t fuids_ok = B_TRUE; |
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2011 uint64_t zplver = ZPL_VERSION; |
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2012 objset_t *os = NULL; |
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2013 char parentname[MAXNAMELEN]; |
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2014 char *cp; |
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2015 int error; |
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2016 |
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2017 (void) strlcpy(parentname, dataset, sizeof (parentname)); |
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2018 cp = strrchr(parentname, '/'); |
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2019 ASSERT(cp != NULL); |
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2020 cp[0] = '\0'; |
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2021 |
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2022 if (zfs_earlier_version(dataset, SPA_VERSION_FUID)) { |
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2023 zplver = ZPL_VERSION_FUID - 1; |
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2024 fuids_ok = B_FALSE; |
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2025 } |
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2026 |
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2027 /* |
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2028 * Open parent object set so we can inherit zplprop values. |
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2029 */ |
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2030 if ((error = dmu_objset_open(parentname, DMU_OST_ANY, |
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2031 DS_MODE_USER | DS_MODE_READONLY, &os)) != 0) |
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2032 return (error); |
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2033 |
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2034 error = zfs_fill_zplprops_impl(os, zplver, fuids_ok, createprops, |
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2035 zplprops, is_ci); |
|
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2036 dmu_objset_close(os); |
|
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2037 return (error); |
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2038 } |
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2039 |
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2040 static int |
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2041 zfs_fill_zplprops_root(uint64_t spa_vers, nvlist_t *createprops, |
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2042 nvlist_t *zplprops, boolean_t *is_ci) |
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2043 { |
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2044 boolean_t fuids_ok = B_TRUE; |
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2045 uint64_t zplver = ZPL_VERSION; |
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2046 int error; |
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2047 |
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2048 if (spa_vers < SPA_VERSION_FUID) { |
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2049 zplver = ZPL_VERSION_FUID - 1; |
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2050 fuids_ok = B_FALSE; |
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2051 } |
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2052 |
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2053 error = zfs_fill_zplprops_impl(NULL, zplver, fuids_ok, createprops, |
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2054 zplprops, is_ci); |
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|
2055 return (error); |
| 789 | 2056 } |
| 2057 | |
| 5367 | 2058 /* |
| 2059 * inputs: | |
| 2060 * zc_objset_type type of objset to create (fs vs zvol) | |
| 2061 * zc_name name of new objset | |
| 2062 * zc_value name of snapshot to clone from (may be empty) | |
| 2063 * zc_nvlist_src{_size} nvlist of properties to apply | |
| 2064 * | |
|
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|
2065 * outputs: none |
| 5367 | 2066 */ |
| 789 | 2067 static int |
| 2068 zfs_ioc_create(zfs_cmd_t *zc) | |
| 2069 { | |
| 2070 objset_t *clone; | |
| 2071 int error = 0; | |
| 5331 | 2072 zfs_creat_t zct; |
| 4543 | 2073 nvlist_t *nvprops = NULL; |
| 2074 void (*cbfunc)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx); | |
| 789 | 2075 dmu_objset_type_t type = zc->zc_objset_type; |
| 2076 | |
| 2077 switch (type) { | |
| 2078 | |
| 2079 case DMU_OST_ZFS: | |
| 2080 cbfunc = zfs_create_cb; | |
| 2081 break; | |
| 2082 | |
| 2083 case DMU_OST_ZVOL: | |
| 2084 cbfunc = zvol_create_cb; | |
| 2085 break; | |
| 2086 | |
| 2087 default: | |
| 2199 | 2088 cbfunc = NULL; |
| 6423 | 2089 break; |
| 2199 | 2090 } |
|
5326
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2091 if (strchr(zc->zc_name, '@') || |
|
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|
2092 strchr(zc->zc_name, '%')) |
| 789 | 2093 return (EINVAL); |
| 2094 | |
| 2676 | 2095 if (zc->zc_nvlist_src != NULL && |
| 5094 | 2096 (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, |
| 2097 &nvprops)) != 0) | |
| 2676 | 2098 return (error); |
| 2099 | |
|
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2100 zct.zct_zplprops = NULL; |
| 5331 | 2101 zct.zct_props = nvprops; |
| 2102 | |
| 2676 | 2103 if (zc->zc_value[0] != '\0') { |
| 789 | 2104 /* |
| 2105 * We're creating a clone of an existing snapshot. | |
| 2106 */ | |
| 2676 | 2107 zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; |
| 2108 if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0) { | |
| 4543 | 2109 nvlist_free(nvprops); |
| 789 | 2110 return (EINVAL); |
| 2676 | 2111 } |
| 789 | 2112 |
| 2676 | 2113 error = dmu_objset_open(zc->zc_value, type, |
|
6689
47572a2f5e73
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|
2114 DS_MODE_USER | DS_MODE_READONLY, &clone); |
| 2676 | 2115 if (error) { |
| 4543 | 2116 nvlist_free(nvprops); |
| 789 | 2117 return (error); |
| 2676 | 2118 } |
|
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|
2119 |
|
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|
2120 error = dmu_objset_create(zc->zc_name, type, clone, 0, |
|
903545192033
6654808 FIGNORECASE lookups in a zfs xattr dir don't provide 'realname' data
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6423
diff
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|
2121 NULL, NULL); |
| 5331 | 2122 if (error) { |
| 2123 dmu_objset_close(clone); | |
| 2124 nvlist_free(nvprops); | |
| 2125 return (error); | |
| 2126 } | |
| 789 | 2127 dmu_objset_close(clone); |
| 2128 } else { | |
|
6492
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6423
diff
changeset
|
2129 boolean_t is_insensitive = B_FALSE; |
|
903545192033
6654808 FIGNORECASE lookups in a zfs xattr dir don't provide 'realname' data
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6423
diff
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|
2130 |
| 2676 | 2131 if (cbfunc == NULL) { |
| 4543 | 2132 nvlist_free(nvprops); |
| 2199 | 2133 return (EINVAL); |
| 2676 | 2134 } |
| 2135 | |
| 789 | 2136 if (type == DMU_OST_ZVOL) { |
| 2676 | 2137 uint64_t volsize, volblocksize; |
| 2138 | |
| 4543 | 2139 if (nvprops == NULL || |
| 2140 nvlist_lookup_uint64(nvprops, | |
| 2676 | 2141 zfs_prop_to_name(ZFS_PROP_VOLSIZE), |
| 2142 &volsize) != 0) { | |
| 4543 | 2143 nvlist_free(nvprops); |
| 2676 | 2144 return (EINVAL); |
| 2145 } | |
| 2146 | |
| 4543 | 2147 if ((error = nvlist_lookup_uint64(nvprops, |
| 2676 | 2148 zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), |
| 2149 &volblocksize)) != 0 && error != ENOENT) { | |
| 4543 | 2150 nvlist_free(nvprops); |
| 2676 | 2151 return (EINVAL); |
| 2152 } | |
|
1133
335d069294d1
6357470 vdev_raidz.c has unused RAIDZ_SINGLE define, code
eschrock
parents:
1003
diff
changeset
|
2153 |
| 2676 | 2154 if (error != 0) |
| 2155 volblocksize = zfs_prop_default_numeric( | |
| 2156 ZFS_PROP_VOLBLOCKSIZE); | |
| 2157 | |
| 2158 if ((error = zvol_check_volblocksize( | |
| 2159 volblocksize)) != 0 || | |
| 2160 (error = zvol_check_volsize(volsize, | |
| 2161 volblocksize)) != 0) { | |
| 4543 | 2162 nvlist_free(nvprops); |
| 789 | 2163 return (error); |
| 2676 | 2164 } |
| 4577 | 2165 } else if (type == DMU_OST_ZFS) { |
| 5331 | 2166 int error; |
| 2167 | |
|
5498
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
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5450
diff
changeset
|
2168 /* |
| 5331 | 2169 * We have to have normalization and |
| 2170 * case-folding flags correct when we do the | |
| 2171 * file system creation, so go figure them out | |
|
5498
334b476844ca
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diff
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|
2172 * now. |
| 5331 | 2173 */ |
|
5498
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
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diff
changeset
|
2174 VERIFY(nvlist_alloc(&zct.zct_zplprops, |
|
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
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diff
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|
2175 NV_UNIQUE_NAME, KM_SLEEP) == 0); |
|
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
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5450
diff
changeset
|
2176 error = zfs_fill_zplprops(zc->zc_name, nvprops, |
|
7184
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
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7046
diff
changeset
|
2177 zct.zct_zplprops, &is_insensitive); |
| 5331 | 2178 if (error != 0) { |
| 2179 nvlist_free(nvprops); | |
|
5498
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6622831 normalization properties are not preserved by "zfs send"
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5450
diff
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|
2180 nvlist_free(zct.zct_zplprops); |
| 5331 | 2181 return (error); |
| 4577 | 2182 } |
| 2676 | 2183 } |
|
6492
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|
2184 error = dmu_objset_create(zc->zc_name, type, NULL, |
|
903545192033
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|
2185 is_insensitive ? DS_FLAG_CI_DATASET : 0, cbfunc, &zct); |
|
5498
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|
2186 nvlist_free(zct.zct_zplprops); |
| 789 | 2187 } |
| 2676 | 2188 |
| 2189 /* | |
| 2190 * It would be nice to do this atomically. | |
| 2191 */ | |
| 2192 if (error == 0) { | |
| 4787 | 2193 if ((error = zfs_set_prop_nvlist(zc->zc_name, nvprops)) != 0) |
| 2676 | 2194 (void) dmu_objset_destroy(zc->zc_name); |
| 2195 } | |
| 4543 | 2196 nvlist_free(nvprops); |
| 789 | 2197 return (error); |
| 2198 } | |
| 2199 | |
| 7265 | 2200 struct snap_prop_arg { |
| 2201 nvlist_t *nvprops; | |
| 2202 const char *snapname; | |
| 2203 }; | |
| 2204 | |
| 2205 static int | |
| 2206 set_snap_props(char *name, void *arg) | |
| 2207 { | |
| 2208 struct snap_prop_arg *snpa = arg; | |
| 2209 int len = strlen(name) + strlen(snpa->snapname) + 2; | |
| 2210 char *buf = kmem_alloc(len, KM_SLEEP); | |
| 2211 int err; | |
| 2212 | |
| 2213 (void) snprintf(buf, len, "%s@%s", name, snpa->snapname); | |
| 2214 err = zfs_set_prop_nvlist(buf, snpa->nvprops); | |
| 2215 if (err) | |
| 2216 (void) dmu_objset_destroy(buf); | |
| 2217 kmem_free(buf, len); | |
| 2218 return (err); | |
| 2219 } | |
| 2220 | |
| 5367 | 2221 /* |
| 2222 * inputs: | |
| 2223 * zc_name name of filesystem | |
| 2224 * zc_value short name of snapshot | |
| 2225 * zc_cookie recursive flag | |
| 2226 * | |
| 2227 * outputs: none | |
| 2228 */ | |
| 789 | 2229 static int |
| 2199 | 2230 zfs_ioc_snapshot(zfs_cmd_t *zc) |
| 2231 { | |
| 7265 | 2232 nvlist_t *nvprops = NULL; |
| 2233 int error; | |
| 2234 boolean_t recursive = zc->zc_cookie; | |
| 2235 | |
| 2676 | 2236 if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) |
| 2199 | 2237 return (EINVAL); |
| 7265 | 2238 |
| 2239 if (zc->zc_nvlist_src != NULL && | |
| 2240 (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, | |
| 2241 &nvprops)) != 0) | |
| 2242 return (error); | |
| 2243 | |
| 2244 error = dmu_objset_snapshot(zc->zc_name, zc->zc_value, recursive); | |
| 2245 | |
| 2246 /* | |
| 2247 * It would be nice to do this atomically. | |
| 2248 */ | |
| 2249 if (error == 0) { | |
| 2250 struct snap_prop_arg snpa; | |
| 2251 snpa.nvprops = nvprops; | |
| 2252 snpa.snapname = zc->zc_value; | |
| 2253 if (recursive) { | |
| 2254 error = dmu_objset_find(zc->zc_name, | |
| 2255 set_snap_props, &snpa, DS_FIND_CHILDREN); | |
| 2256 if (error) { | |
| 2257 (void) dmu_snapshots_destroy(zc->zc_name, | |
| 2258 zc->zc_value); | |
| 2259 } | |
| 2260 } else { | |
| 2261 error = set_snap_props(zc->zc_name, &snpa); | |
| 2262 } | |
| 2263 } | |
| 2264 nvlist_free(nvprops); | |
| 2265 return (error); | |
| 2199 | 2266 } |
| 2267 | |
| 4007 | 2268 int |
| 2199 | 2269 zfs_unmount_snap(char *name, void *arg) |
| 789 | 2270 { |
| 2417 | 2271 vfs_t *vfsp = NULL; |
| 2199 | 2272 |
|
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|
2273 if (arg) { |
|
47572a2f5e73
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diff
changeset
|
2274 char *snapname = arg; |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
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6643
diff
changeset
|
2275 int len = strlen(name) + strlen(snapname) + 2; |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
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parents:
6643
diff
changeset
|
2276 char *buf = kmem_alloc(len, KM_SLEEP); |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
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diff
changeset
|
2277 |
|
47572a2f5e73
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diff
changeset
|
2278 (void) strcpy(buf, name); |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
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diff
changeset
|
2279 (void) strcat(buf, "@"); |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
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6643
diff
changeset
|
2280 (void) strcat(buf, snapname); |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
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diff
changeset
|
2281 vfsp = zfs_get_vfs(buf); |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
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diff
changeset
|
2282 kmem_free(buf, len); |
| 2417 | 2283 } else if (strchr(name, '@')) { |
| 2199 | 2284 vfsp = zfs_get_vfs(name); |
| 2285 } | |
| 2286 | |
| 2287 if (vfsp) { | |
| 2288 /* | |
| 2289 * Always force the unmount for snapshots. | |
| 2290 */ | |
| 2291 int flag = MS_FORCE; | |
| 789 | 2292 int err; |
| 2293 | |
| 2199 | 2294 if ((err = vn_vfswlock(vfsp->vfs_vnodecovered)) != 0) { |
| 2295 VFS_RELE(vfsp); | |
| 2296 return (err); | |
| 2297 } | |
| 2298 VFS_RELE(vfsp); | |
| 2299 if ((err = dounmount(vfsp, flag, kcred)) != 0) | |
| 2300 return (err); | |
| 2301 } | |
| 2302 return (0); | |
| 2303 } | |
| 2304 | |
| 5367 | 2305 /* |
| 2306 * inputs: | |
| 2307 * zc_name name of filesystem | |
| 2308 * zc_value short name of snapshot | |
| 2309 * | |
| 2310 * outputs: none | |
| 2311 */ | |
| 2199 | 2312 static int |
| 2313 zfs_ioc_destroy_snaps(zfs_cmd_t *zc) | |
| 2314 { | |
| 2315 int err; | |
| 789 | 2316 |
| 2676 | 2317 if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0) |
| 2199 | 2318 return (EINVAL); |
| 2319 err = dmu_objset_find(zc->zc_name, | |
| 2676 | 2320 zfs_unmount_snap, zc->zc_value, DS_FIND_CHILDREN); |
| 2199 | 2321 if (err) |
| 2322 return (err); | |
| 2676 | 2323 return (dmu_snapshots_destroy(zc->zc_name, zc->zc_value)); |
| 2199 | 2324 } |
| 2325 | |
| 5367 | 2326 /* |
| 2327 * inputs: | |
| 2328 * zc_name name of dataset to destroy | |
| 2329 * zc_objset_type type of objset | |
| 2330 * | |
| 2331 * outputs: none | |
| 2332 */ | |
| 2199 | 2333 static int |
| 2334 zfs_ioc_destroy(zfs_cmd_t *zc) | |
| 2335 { | |
| 2336 if (strchr(zc->zc_name, '@') && zc->zc_objset_type == DMU_OST_ZFS) { | |
| 2337 int err = zfs_unmount_snap(zc->zc_name, NULL); | |
| 2338 if (err) | |
| 2339 return (err); | |
| 789 | 2340 } |
| 2341 | |
| 2342 return (dmu_objset_destroy(zc->zc_name)); | |
| 2343 } | |
| 2344 | |
| 5367 | 2345 /* |
| 2346 * inputs: | |
| 5446 | 2347 * zc_name name of dataset to rollback (to most recent snapshot) |
| 5367 | 2348 * |
| 2349 * outputs: none | |
| 2350 */ | |
| 789 | 2351 static int |
| 2352 zfs_ioc_rollback(zfs_cmd_t *zc) | |
| 2353 { | |
| 5446 | 2354 objset_t *os; |
| 2355 int error; | |
| 2356 zfsvfs_t *zfsvfs = NULL; | |
| 2357 | |
| 2358 /* | |
| 2359 * Get the zfsvfs for the receiving objset. There | |
| 2360 * won't be one if we're operating on a zvol, if the | |
| 2361 * objset doesn't exist yet, or is not mounted. | |
| 2362 */ | |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2363 error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, DS_MODE_USER, &os); |
| 5446 | 2364 if (error) |
| 2365 return (error); | |
| 2366 | |
| 2367 if (dmu_objset_type(os) == DMU_OST_ZFS) { | |
| 2368 mutex_enter(&os->os->os_user_ptr_lock); | |
| 2369 zfsvfs = dmu_objset_get_user(os); | |
| 2370 if (zfsvfs != NULL) | |
| 2371 VFS_HOLD(zfsvfs->z_vfs); | |
| 2372 mutex_exit(&os->os->os_user_ptr_lock); | |
| 2373 } | |
| 2374 | |
| 2375 if (zfsvfs != NULL) { | |
|
8012
8ea30813950f
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Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7754
diff
changeset
|
2376 char *osname; |
| 5446 | 2377 int mode; |
| 2378 | |
|
8012
8ea30813950f
6765626 zfs send takes up too much stack space
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7754
diff
changeset
|
2379 osname = kmem_alloc(MAXNAMELEN, KM_SLEEP); |
|
6083
23e77aa611b1
6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx)
ek110237
parents:
5977
diff
changeset
|
2380 error = zfs_suspend_fs(zfsvfs, osname, &mode); |
|
23e77aa611b1
6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx)
ek110237
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5977
diff
changeset
|
2381 if (error == 0) { |
|
23e77aa611b1
6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx)
ek110237
parents:
5977
diff
changeset
|
2382 int resume_err; |
|
23e77aa611b1
6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx)
ek110237
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5977
diff
changeset
|
2383 |
|
23e77aa611b1
6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx)
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diff
changeset
|
2384 ASSERT(strcmp(osname, zc->zc_name) == 0); |
|
23e77aa611b1
6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx)
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parents:
5977
diff
changeset
|
2385 error = dmu_objset_rollback(os); |
|
23e77aa611b1
6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx)
ek110237
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diff
changeset
|
2386 resume_err = zfs_resume_fs(zfsvfs, osname, mode); |
|
23e77aa611b1
6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx)
ek110237
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diff
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|
2387 error = error ? error : resume_err; |
|
23e77aa611b1
6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx)
ek110237
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diff
changeset
|
2388 } else { |
|
23e77aa611b1
6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx)
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5977
diff
changeset
|
2389 dmu_objset_close(os); |
|
23e77aa611b1
6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx)
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|
2390 } |
|
8012
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Eric Taylor <Eric.Taylor@Sun.COM>
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diff
changeset
|
2391 kmem_free(osname, MAXNAMELEN); |
| 5446 | 2392 VFS_RELE(zfsvfs->z_vfs); |
| 2393 } else { | |
| 2394 error = dmu_objset_rollback(os); | |
| 2395 } | |
|
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|
2396 /* Note, the dmu_objset_rollback() releases the objset for us. */ |
| 5446 | 2397 |
| 2398 return (error); | |
| 789 | 2399 } |
| 2400 | |
| 5367 | 2401 /* |
| 2402 * inputs: | |
| 2403 * zc_name old name of dataset | |
| 2404 * zc_value new name of dataset | |
| 2405 * zc_cookie recursive flag (only valid for snapshots) | |
| 2406 * | |
| 2407 * outputs: none | |
| 2408 */ | |
| 789 | 2409 static int |
| 2410 zfs_ioc_rename(zfs_cmd_t *zc) | |
| 2411 { | |
| 4490 | 2412 boolean_t recursive = zc->zc_cookie & 1; |
| 4007 | 2413 |
| 2676 | 2414 zc->zc_value[sizeof (zc->zc_value) - 1] = '\0'; |
|
5326
6752aa2bd5bc
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|
2415 if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || |
|
6752aa2bd5bc
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|
2416 strchr(zc->zc_value, '%')) |
| 789 | 2417 return (EINVAL); |
| 2418 | |
| 4007 | 2419 /* |
| 2420 * Unmount snapshot unless we're doing a recursive rename, | |
| 2421 * in which case the dataset code figures out which snapshots | |
| 2422 * to unmount. | |
| 2423 */ | |
| 2424 if (!recursive && strchr(zc->zc_name, '@') != NULL && | |
| 789 | 2425 zc->zc_objset_type == DMU_OST_ZFS) { |
| 2199 | 2426 int err = zfs_unmount_snap(zc->zc_name, NULL); |
| 2427 if (err) | |
| 2428 return (err); | |
| 789 | 2429 } |
| 4007 | 2430 return (dmu_objset_rename(zc->zc_name, zc->zc_value, recursive)); |
| 789 | 2431 } |
| 2432 | |
|
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|
2433 static void |
|
8536
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6748561 core dump when zfs_alloc() fails and libzfs_printerr == 0
David Pacheco <David.Pacheco@Sun.COM>
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diff
changeset
|
2434 clear_props(char *dataset, nvlist_t *props, nvlist_t *newprops) |
|
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|
2435 { |
|
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6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
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|
2436 zfs_cmd_t *zc; |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
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|
2437 nvpair_t *prop; |
|
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|
2438 |
|
47572a2f5e73
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|
2439 if (props == NULL) |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
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|
2440 return; |
|
47572a2f5e73
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|
2441 zc = kmem_alloc(sizeof (zfs_cmd_t), KM_SLEEP); |
|
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|
2442 (void) strcpy(zc->zc_name, dataset); |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2443 for (prop = nvlist_next_nvpair(props, NULL); prop; |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2444 prop = nvlist_next_nvpair(props, prop)) { |
|
8536
33bd5de3260e
6748561 core dump when zfs_alloc() fails and libzfs_printerr == 0
David Pacheco <David.Pacheco@Sun.COM>
parents:
8525
diff
changeset
|
2445 if (newprops != NULL && |
|
33bd5de3260e
6748561 core dump when zfs_alloc() fails and libzfs_printerr == 0
David Pacheco <David.Pacheco@Sun.COM>
parents:
8525
diff
changeset
|
2446 nvlist_exists(newprops, nvpair_name(prop))) |
|
33bd5de3260e
6748561 core dump when zfs_alloc() fails and libzfs_printerr == 0
David Pacheco <David.Pacheco@Sun.COM>
parents:
8525
diff
changeset
|
2447 continue; |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2448 (void) strcpy(zc->zc_value, nvpair_name(prop)); |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2449 if (zfs_secpolicy_inherit(zc, CRED()) == 0) |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2450 (void) zfs_ioc_inherit_prop(zc); |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2451 } |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2452 kmem_free(zc, sizeof (zfs_cmd_t)); |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2453 } |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2454 |
| 5367 | 2455 /* |
| 2456 * inputs: | |
| 2457 * zc_name name of containing filesystem | |
| 2458 * zc_nvlist_src{_size} nvlist of properties to apply | |
| 2459 * zc_value name of snapshot to create | |
| 2460 * zc_string name of clone origin (if DRR_FLAG_CLONE) | |
| 2461 * zc_cookie file descriptor to recv from | |
| 2462 * zc_begin_record the BEGIN record of the stream (not byteswapped) | |
| 2463 * zc_guid force flag | |
| 2464 * | |
| 2465 * outputs: | |
| 2466 * zc_cookie number of bytes read | |
| 2467 */ | |
| 789 | 2468 static int |
| 5367 | 2469 zfs_ioc_recv(zfs_cmd_t *zc) |
| 789 | 2470 { |
| 2471 file_t *fp; | |
|
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2472 objset_t *os; |
| 5367 | 2473 dmu_recv_cookie_t drc; |
|
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2474 zfsvfs_t *zfsvfs = NULL; |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2475 boolean_t force = (boolean_t)zc->zc_guid; |
| 789 | 2476 int error, fd; |
| 5367 | 2477 offset_t off; |
| 2478 nvlist_t *props = NULL; | |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2479 nvlist_t *origprops = NULL; |
| 5367 | 2480 objset_t *origin = NULL; |
| 2481 char *tosnap; | |
| 2482 char tofs[ZFS_MAXNAMELEN]; | |
| 789 | 2483 |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3087
diff
changeset
|
2484 if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 || |
|
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2485 strchr(zc->zc_value, '@') == NULL || |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2486 strchr(zc->zc_value, '%')) |
|
3265
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3087
diff
changeset
|
2487 return (EINVAL); |
|
967e0fca6143
6463140 zfs recv with a snapshot name that has 2 @@ in a row succeeds
ahrens
parents:
3087
diff
changeset
|
2488 |
| 5367 | 2489 (void) strcpy(tofs, zc->zc_value); |
| 2490 tosnap = strchr(tofs, '@'); | |
| 2491 *tosnap = '\0'; | |
| 2492 tosnap++; | |
| 2493 | |
| 2494 if (zc->zc_nvlist_src != NULL && | |
| 2495 (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size, | |
| 2496 &props)) != 0) | |
| 2497 return (error); | |
| 2498 | |
| 789 | 2499 fd = zc->zc_cookie; |
| 2500 fp = getf(fd); | |
| 5367 | 2501 if (fp == NULL) { |
| 2502 nvlist_free(props); | |
| 789 | 2503 return (EBADF); |
| 5367 | 2504 } |
|
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2505 |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2506 if (dmu_objset_open(tofs, DMU_OST_ANY, |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2507 DS_MODE_USER | DS_MODE_READONLY, &os) == 0) { |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2508 /* |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2509 * Try to get the zfsvfs for the receiving objset. |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2510 * There won't be one if we're operating on a zvol, |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2511 * if the objset doesn't exist yet, or is not mounted. |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2512 */ |
| 5446 | 2513 mutex_enter(&os->os->os_user_ptr_lock); |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2514 if (zfsvfs = dmu_objset_get_user(os)) { |
|
6083
23e77aa611b1
6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx)
ek110237
parents:
5977
diff
changeset
|
2515 if (!mutex_tryenter(&zfsvfs->z_online_recv_lock)) { |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2516 mutex_exit(&os->os->os_user_ptr_lock); |
|
6083
23e77aa611b1
6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx)
ek110237
parents:
5977
diff
changeset
|
2517 dmu_objset_close(os); |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2518 zfsvfs = NULL; |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2519 error = EBUSY; |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2520 goto out; |
|
6083
23e77aa611b1
6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx)
ek110237
parents:
5977
diff
changeset
|
2521 } |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2522 VFS_HOLD(zfsvfs->z_vfs); |
|
6083
23e77aa611b1
6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx)
ek110237
parents:
5977
diff
changeset
|
2523 } |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2524 mutex_exit(&os->os->os_user_ptr_lock); |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2525 |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2526 /* |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2527 * If new properties are supplied, they are to completely |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2528 * replace the existing ones, so stash away the existing ones. |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2529 */ |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2530 if (props) |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2531 (void) dsl_prop_get_all(os, &origprops, TRUE); |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2532 |
|
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2533 dmu_objset_close(os); |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2534 } |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2535 |
| 5367 | 2536 if (zc->zc_string[0]) { |
| 2537 error = dmu_objset_open(zc->zc_string, DMU_OST_ANY, | |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2538 DS_MODE_USER | DS_MODE_READONLY, &origin); |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2539 if (error) |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2540 goto out; |
| 5367 | 2541 } |
| 2542 | |
| 2543 error = dmu_recv_begin(tofs, tosnap, &zc->zc_begin_record, | |
| 2544 force, origin, zfsvfs != NULL, &drc); | |
| 2545 if (origin) | |
| 2546 dmu_objset_close(origin); | |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2547 if (error) |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2548 goto out; |
|
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2549 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2550 /* |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2551 * Reset properties. We do this before we receive the stream |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2552 * so that the properties are applied to the new data. |
|
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2553 */ |
| 5367 | 2554 if (props) { |
|
8536
33bd5de3260e
6748561 core dump when zfs_alloc() fails and libzfs_printerr == 0
David Pacheco <David.Pacheco@Sun.COM>
parents:
8525
diff
changeset
|
2555 clear_props(tofs, origprops, props); |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2556 /* |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2557 * XXX - Note, this is all-or-nothing; should be best-effort. |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2558 */ |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2559 (void) zfs_set_prop_nvlist(tofs, props); |
| 5367 | 2560 } |
| 2561 | |
| 2562 off = fp->f_offset; | |
| 2563 error = dmu_recv_stream(&drc, fp->f_vnode, &off); | |
| 2564 | |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2565 if (error == 0 && zfsvfs) { |
|
8012
8ea30813950f
6765626 zfs send takes up too much stack space
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7754
diff
changeset
|
2566 char *osname; |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2567 int mode; |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2568 |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2569 /* online recv */ |
|
8012
8ea30813950f
6765626 zfs send takes up too much stack space
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7754
diff
changeset
|
2570 osname = kmem_alloc(MAXNAMELEN, KM_SLEEP); |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2571 error = zfs_suspend_fs(zfsvfs, osname, &mode); |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2572 if (error == 0) { |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2573 int resume_err; |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2574 |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2575 error = dmu_recv_end(&drc); |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2576 resume_err = zfs_resume_fs(zfsvfs, osname, mode); |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2577 error = error ? error : resume_err; |
| 5367 | 2578 } else { |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2579 dmu_recv_abort_cleanup(&drc); |
| 5367 | 2580 } |
|
8012
8ea30813950f
6765626 zfs send takes up too much stack space
Eric Taylor <Eric.Taylor@Sun.COM>
parents:
7754
diff
changeset
|
2581 kmem_free(osname, MAXNAMELEN); |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2582 } else if (error == 0) { |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2583 error = dmu_recv_end(&drc); |
|
6083
23e77aa611b1
6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx)
ek110237
parents:
5977
diff
changeset
|
2584 } |
| 5367 | 2585 |
| 2586 zc->zc_cookie = off - fp->f_offset; | |
| 2587 if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) | |
| 2588 fp->f_offset = off; | |
| 2885 | 2589 |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2590 /* |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2591 * On error, restore the original props. |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2592 */ |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2593 if (error && props) { |
|
8536
33bd5de3260e
6748561 core dump when zfs_alloc() fails and libzfs_printerr == 0
David Pacheco <David.Pacheco@Sun.COM>
parents:
8525
diff
changeset
|
2594 clear_props(tofs, props, NULL); |
|
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2595 (void) zfs_set_prop_nvlist(tofs, origprops); |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2596 } |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2597 out: |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2598 if (zfsvfs) { |
|
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6643
diff
changeset
|
2599 mutex_exit(&zfsvfs->z_online_recv_lock); |
|
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2600 VFS_RELE(zfsvfs->z_vfs); |
|
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2601 } |
|
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2602 nvlist_free(props); |
|
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|
2603 nvlist_free(origprops); |
| 789 | 2604 releasef(fd); |
| 2605 return (error); | |
| 2606 } | |
| 2607 | |
| 5367 | 2608 /* |
| 2609 * inputs: | |
| 2610 * zc_name name of snapshot to send | |
| 2611 * zc_value short name of incremental fromsnap (may be empty) | |
| 2612 * zc_cookie file descriptor to send stream to | |
| 2613 * zc_obj fromorigin flag (mutually exclusive with zc_value) | |
| 2614 * | |
| 2615 * outputs: none | |
| 2616 */ | |
| 789 | 2617 static int |
| 5367 | 2618 zfs_ioc_send(zfs_cmd_t *zc) |
| 789 | 2619 { |
| 2620 objset_t *fromsnap = NULL; | |
| 2621 objset_t *tosnap; | |
| 2622 file_t *fp; | |
| 2623 int error; | |
| 5367 | 2624 offset_t off; |
| 789 | 2625 |
| 2626 error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, | |
|
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|
2627 DS_MODE_USER | DS_MODE_READONLY, &tosnap); |
| 789 | 2628 if (error) |
| 2629 return (error); | |
| 2630 | |
| 2676 | 2631 if (zc->zc_value[0] != '\0') { |
|
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|
2632 char *buf; |
| 2885 | 2633 char *cp; |
| 2634 | |
|
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2635 buf = kmem_alloc(MAXPATHLEN, KM_SLEEP); |
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|
2636 (void) strncpy(buf, zc->zc_name, MAXPATHLEN); |
| 2885 | 2637 cp = strchr(buf, '@'); |
| 2638 if (cp) | |
| 2639 *(cp+1) = 0; | |
|
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|
2640 (void) strncat(buf, zc->zc_value, MAXPATHLEN); |
| 2885 | 2641 error = dmu_objset_open(buf, DMU_OST_ANY, |
|
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2642 DS_MODE_USER | DS_MODE_READONLY, &fromsnap); |
|
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2643 kmem_free(buf, MAXPATHLEN); |
| 789 | 2644 if (error) { |
| 2645 dmu_objset_close(tosnap); | |
| 2646 return (error); | |
| 2647 } | |
| 2648 } | |
| 2649 | |
| 2650 fp = getf(zc->zc_cookie); | |
| 2651 if (fp == NULL) { | |
| 2652 dmu_objset_close(tosnap); | |
| 2653 if (fromsnap) | |
| 2654 dmu_objset_close(fromsnap); | |
| 2655 return (EBADF); | |
| 2656 } | |
| 2657 | |
| 5367 | 2658 off = fp->f_offset; |
| 2659 error = dmu_sendbackup(tosnap, fromsnap, zc->zc_obj, fp->f_vnode, &off); | |
| 2660 | |
| 2661 if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0) | |
| 2662 fp->f_offset = off; | |
| 789 | 2663 releasef(zc->zc_cookie); |
| 2664 if (fromsnap) | |
| 2665 dmu_objset_close(fromsnap); | |
| 2666 dmu_objset_close(tosnap); | |
| 2667 return (error); | |
| 2668 } | |
| 2669 | |
| 1544 | 2670 static int |
| 2671 zfs_ioc_inject_fault(zfs_cmd_t *zc) | |
| 2672 { | |
| 2673 int id, error; | |
| 2674 | |
| 2675 error = zio_inject_fault(zc->zc_name, (int)zc->zc_guid, &id, | |
| 2676 &zc->zc_inject_record); | |
| 2677 | |
| 2678 if (error == 0) | |
| 2679 zc->zc_guid = (uint64_t)id; | |
| 2680 | |
| 2681 return (error); | |
| 2682 } | |
| 2683 | |
| 2684 static int | |
| 2685 zfs_ioc_clear_fault(zfs_cmd_t *zc) | |
| 2686 { | |
| 2687 return (zio_clear_fault((int)zc->zc_guid)); | |
| 2688 } | |
| 2689 | |
| 2690 static int | |
| 2691 zfs_ioc_inject_list_next(zfs_cmd_t *zc) | |
| 2692 { | |
| 2693 int id = (int)zc->zc_guid; | |
| 2694 int error; | |
| 2695 | |
| 2696 error = zio_inject_list_next(&id, zc->zc_name, sizeof (zc->zc_name), | |
| 2697 &zc->zc_inject_record); | |
| 2698 | |
| 2699 zc->zc_guid = id; | |
| 2700 | |
| 2701 return (error); | |
| 2702 } | |
| 2703 | |
| 2704 static int | |
| 2705 zfs_ioc_error_log(zfs_cmd_t *zc) | |
| 2706 { | |
| 2707 spa_t *spa; | |
| 2708 int error; | |
| 2676 | 2709 size_t count = (size_t)zc->zc_nvlist_dst_size; |
| 1544 | 2710 |
| 2711 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) | |
| 2712 return (error); | |
| 2713 | |
| 2676 | 2714 error = spa_get_errlog(spa, (void *)(uintptr_t)zc->zc_nvlist_dst, |
| 1544 | 2715 &count); |
| 2716 if (error == 0) | |
| 2676 | 2717 zc->zc_nvlist_dst_size = count; |
| 1544 | 2718 else |
| 2676 | 2719 zc->zc_nvlist_dst_size = spa_get_errlog_size(spa); |
| 1544 | 2720 |
| 2721 spa_close(spa, FTAG); | |
| 2722 | |
| 2723 return (error); | |
| 2724 } | |
| 2725 | |
| 2726 static int | |
| 2727 zfs_ioc_clear(zfs_cmd_t *zc) | |
| 2728 { | |
| 2729 spa_t *spa; | |
| 2730 vdev_t *vd; | |
| 2731 int error; | |
| 2732 | |
| 7294 | 2733 /* |
| 2734 * On zpool clear we also fix up missing slogs | |
| 2735 */ | |
| 2736 mutex_enter(&spa_namespace_lock); | |
| 2737 spa = spa_lookup(zc->zc_name); | |
| 2738 if (spa == NULL) { | |
| 2739 mutex_exit(&spa_namespace_lock); | |
| 2740 return (EIO); | |
| 2741 } | |
| 2742 if (spa->spa_log_state == SPA_LOG_MISSING) { | |
| 2743 /* we need to let spa_open/spa_load clear the chains */ | |
| 2744 spa->spa_log_state = SPA_LOG_CLEAR; | |
| 2745 } | |
| 2746 mutex_exit(&spa_namespace_lock); | |
| 2747 | |
| 1544 | 2748 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) |
| 2749 return (error); | |
| 2750 | |
|
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|
2751 spa_vdev_state_enter(spa); |
| 1544 | 2752 |
| 2676 | 2753 if (zc->zc_guid == 0) { |
| 1544 | 2754 vd = NULL; |
|
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2755 } else { |
|
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|
2756 vd = spa_lookup_by_guid(spa, zc->zc_guid, B_TRUE); |
| 5450 | 2757 if (vd == NULL) { |
|
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|
2758 (void) spa_vdev_state_exit(spa, NULL, ENODEV); |
| 5450 | 2759 spa_close(spa, FTAG); |
| 2760 return (ENODEV); | |
| 2761 } | |
| 1544 | 2762 } |
| 2763 | |
|
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|
2764 vdev_clear(spa, vd); |
|
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|
2765 |
|
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|
2766 (void) spa_vdev_state_exit(spa, NULL, 0); |
|
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2767 |
|
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2768 /* |
|
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|
2769 * Resume any suspended I/Os. |
|
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|
2770 */ |
|
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|
2771 zio_resume(spa); |
| 1544 | 2772 |
| 2773 spa_close(spa, FTAG); | |
| 2774 | |
| 2775 return (0); | |
| 2776 } | |
| 2777 | |
| 5367 | 2778 /* |
| 2779 * inputs: | |
| 2780 * zc_name name of filesystem | |
| 2781 * zc_value name of origin snapshot | |
| 2782 * | |
| 2783 * outputs: none | |
| 2784 */ | |
| 1544 | 2785 static int |
| 2082 | 2786 zfs_ioc_promote(zfs_cmd_t *zc) |
| 2787 { | |
| 2417 | 2788 char *cp; |
| 2789 | |
| 2790 /* | |
| 2791 * We don't need to unmount *all* the origin fs's snapshots, but | |
| 2792 * it's easier. | |
| 2793 */ | |
| 2676 | 2794 cp = strchr(zc->zc_value, '@'); |
| 2417 | 2795 if (cp) |
| 2796 *cp = '\0'; | |
| 2676 | 2797 (void) dmu_objset_find(zc->zc_value, |
| 2417 | 2798 zfs_unmount_snap, NULL, DS_FIND_SNAPSHOTS); |
| 2082 | 2799 return (dsl_dataset_promote(zc->zc_name)); |
| 2800 } | |
| 2801 | |
| 4543 | 2802 /* |
| 2803 * We don't want to have a hard dependency | |
| 2804 * against some special symbols in sharefs | |
| 5331 | 2805 * nfs, and smbsrv. Determine them if needed when |
| 4543 | 2806 * the first file system is shared. |
| 5331 | 2807 * Neither sharefs, nfs or smbsrv are unloadable modules. |
| 4543 | 2808 */ |
| 5331 | 2809 int (*znfsexport_fs)(void *arg); |
| 4543 | 2810 int (*zshare_fs)(enum sharefs_sys_op, share_t *, uint32_t); |
| 5331 | 2811 int (*zsmbexport_fs)(void *arg, boolean_t add_share); |
| 2812 | |
| 2813 int zfs_nfsshare_inited; | |
| 2814 int zfs_smbshare_inited; | |
| 2815 | |
| 4543 | 2816 ddi_modhandle_t nfs_mod; |
| 2817 ddi_modhandle_t sharefs_mod; | |
| 5331 | 2818 ddi_modhandle_t smbsrv_mod; |
| 4543 | 2819 kmutex_t zfs_share_lock; |
| 2820 | |
| 2821 static int | |
| 5331 | 2822 zfs_init_sharefs() |
| 2823 { | |
| 2824 int error; | |
| 2825 | |
| 2826 ASSERT(MUTEX_HELD(&zfs_share_lock)); | |
| 2827 /* Both NFS and SMB shares also require sharetab support. */ | |
| 2828 if (sharefs_mod == NULL && ((sharefs_mod = | |
| 2829 ddi_modopen("fs/sharefs", | |
| 2830 KRTLD_MODE_FIRST, &error)) == NULL)) { | |
| 2831 return (ENOSYS); | |
| 2832 } | |
| 2833 if (zshare_fs == NULL && ((zshare_fs = | |
| 2834 (int (*)(enum sharefs_sys_op, share_t *, uint32_t)) | |
| 2835 ddi_modsym(sharefs_mod, "sharefs_impl", &error)) == NULL)) { | |
| 2836 return (ENOSYS); | |
| 2837 } | |
| 2838 return (0); | |
| 2839 } | |
| 2840 | |
| 2841 static int | |
| 4543 | 2842 zfs_ioc_share(zfs_cmd_t *zc) |
| 2843 { | |
| 2844 int error; | |
| 2845 int opcode; | |
| 2846 | |
| 5331 | 2847 switch (zc->zc_share.z_sharetype) { |
| 2848 case ZFS_SHARE_NFS: | |
| 2849 case ZFS_UNSHARE_NFS: | |
| 2850 if (zfs_nfsshare_inited == 0) { | |
| 2851 mutex_enter(&zfs_share_lock); | |
| 2852 if (nfs_mod == NULL && ((nfs_mod = ddi_modopen("fs/nfs", | |
| 2853 KRTLD_MODE_FIRST, &error)) == NULL)) { | |
| 2854 mutex_exit(&zfs_share_lock); | |
| 2855 return (ENOSYS); | |
| 2856 } | |
| 2857 if (znfsexport_fs == NULL && | |
| 2858 ((znfsexport_fs = (int (*)(void *)) | |
| 2859 ddi_modsym(nfs_mod, | |
| 2860 "nfs_export", &error)) == NULL)) { | |
| 2861 mutex_exit(&zfs_share_lock); | |
| 2862 return (ENOSYS); | |
| 2863 } | |
| 2864 error = zfs_init_sharefs(); | |
| 2865 if (error) { | |
| 2866 mutex_exit(&zfs_share_lock); | |
| 2867 return (ENOSYS); | |
| 2868 } | |
| 2869 zfs_nfsshare_inited = 1; | |
| 4543 | 2870 mutex_exit(&zfs_share_lock); |
| 2871 } | |
| 5331 | 2872 break; |
| 2873 case ZFS_SHARE_SMB: | |
| 2874 case ZFS_UNSHARE_SMB: | |
| 2875 if (zfs_smbshare_inited == 0) { | |
| 2876 mutex_enter(&zfs_share_lock); | |
| 2877 if (smbsrv_mod == NULL && ((smbsrv_mod = | |
| 2878 ddi_modopen("drv/smbsrv", | |
| 2879 KRTLD_MODE_FIRST, &error)) == NULL)) { | |
| 2880 mutex_exit(&zfs_share_lock); | |
| 2881 return (ENOSYS); | |
| 2882 } | |
| 2883 if (zsmbexport_fs == NULL && ((zsmbexport_fs = | |
| 2884 (int (*)(void *, boolean_t))ddi_modsym(smbsrv_mod, | |
|
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jb150015
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|
2885 "smb_server_share", &error)) == NULL)) { |
| 5331 | 2886 mutex_exit(&zfs_share_lock); |
| 2887 return (ENOSYS); | |
| 2888 } | |
| 2889 error = zfs_init_sharefs(); | |
| 2890 if (error) { | |
| 2891 mutex_exit(&zfs_share_lock); | |
| 2892 return (ENOSYS); | |
| 2893 } | |
| 2894 zfs_smbshare_inited = 1; | |
| 4543 | 2895 mutex_exit(&zfs_share_lock); |
| 2896 } | |
| 5331 | 2897 break; |
| 2898 default: | |
| 2899 return (EINVAL); | |
| 4543 | 2900 } |
| 2901 | |
| 5331 | 2902 switch (zc->zc_share.z_sharetype) { |
| 2903 case ZFS_SHARE_NFS: | |
| 2904 case ZFS_UNSHARE_NFS: | |
| 2905 if (error = | |
| 2906 znfsexport_fs((void *) | |
| 2907 (uintptr_t)zc->zc_share.z_exportdata)) | |
| 2908 return (error); | |
| 2909 break; | |
| 2910 case ZFS_SHARE_SMB: | |
| 2911 case ZFS_UNSHARE_SMB: | |
| 2912 if (error = zsmbexport_fs((void *) | |
| 2913 (uintptr_t)zc->zc_share.z_exportdata, | |
| 2914 zc->zc_share.z_sharetype == ZFS_SHARE_SMB ? | |
| 2915 B_TRUE : B_FALSE)) { | |
| 2916 return (error); | |
| 2917 } | |
| 2918 break; | |
| 2919 } | |
| 2920 | |
| 2921 opcode = (zc->zc_share.z_sharetype == ZFS_SHARE_NFS || | |
| 2922 zc->zc_share.z_sharetype == ZFS_SHARE_SMB) ? | |
| 4543 | 2923 SHAREFS_ADD : SHAREFS_REMOVE; |
| 2924 | |
| 5331 | 2925 /* |
| 2926 * Add or remove share from sharetab | |
| 2927 */ | |
| 4543 | 2928 error = zshare_fs(opcode, |
| 2929 (void *)(uintptr_t)zc->zc_share.z_sharedata, | |
| 2930 zc->zc_share.z_sharemax); | |
| 2931 | |
| 2932 return (error); | |
| 2933 | |
| 2934 } | |
| 2935 | |
| 2936 /* | |
|
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diff
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|
2937 * pool create, destroy, and export don't log the history as part of |
|
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|
2938 * zfsdev_ioctl, but rather zfs_ioc_pool_create, and zfs_ioc_pool_export |
|
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|
2939 * do the logging of those commands. |
| 4543 | 2940 */ |
| 789 | 2941 static zfs_ioc_vec_t zfs_ioc_vec[] = { |
|
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|
2942 { zfs_ioc_pool_create, zfs_secpolicy_config, POOL_NAME, B_FALSE }, |
| 4577 | 2943 { zfs_ioc_pool_destroy, zfs_secpolicy_config, POOL_NAME, B_FALSE }, |
| 2944 { zfs_ioc_pool_import, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2945 { zfs_ioc_pool_export, zfs_secpolicy_config, POOL_NAME, B_FALSE }, | |
| 2946 { zfs_ioc_pool_configs, zfs_secpolicy_none, NO_NAME, B_FALSE }, | |
| 2947 { zfs_ioc_pool_stats, zfs_secpolicy_read, POOL_NAME, B_FALSE }, | |
| 2948 { zfs_ioc_pool_tryimport, zfs_secpolicy_config, NO_NAME, B_FALSE }, | |
| 2949 { zfs_ioc_pool_scrub, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2950 { zfs_ioc_pool_freeze, zfs_secpolicy_config, NO_NAME, B_FALSE }, | |
| 2951 { zfs_ioc_pool_upgrade, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2952 { zfs_ioc_pool_get_history, zfs_secpolicy_config, POOL_NAME, B_FALSE }, | |
| 2953 { zfs_ioc_vdev_add, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2954 { zfs_ioc_vdev_remove, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2955 { zfs_ioc_vdev_set_state, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2956 { zfs_ioc_vdev_attach, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2957 { zfs_ioc_vdev_detach, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2958 { zfs_ioc_vdev_setpath, zfs_secpolicy_config, POOL_NAME, B_FALSE }, | |
| 2959 { zfs_ioc_objset_stats, zfs_secpolicy_read, DATASET_NAME, B_FALSE }, | |
|
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|
2960 { zfs_ioc_objset_zplprops, zfs_secpolicy_read, DATASET_NAME, B_FALSE }, |
| 4543 | 2961 { zfs_ioc_dataset_list_next, zfs_secpolicy_read, |
| 4577 | 2962 DATASET_NAME, B_FALSE }, |
| 4543 | 2963 { zfs_ioc_snapshot_list_next, zfs_secpolicy_read, |
| 4577 | 2964 DATASET_NAME, B_FALSE }, |
| 2965 { zfs_ioc_set_prop, zfs_secpolicy_none, DATASET_NAME, B_TRUE }, | |
| 2966 { zfs_ioc_create_minor, zfs_secpolicy_minor, DATASET_NAME, B_FALSE }, | |
| 2967 { zfs_ioc_remove_minor, zfs_secpolicy_minor, DATASET_NAME, B_FALSE }, | |
| 2968 { zfs_ioc_create, zfs_secpolicy_create, DATASET_NAME, B_TRUE }, | |
| 2969 { zfs_ioc_destroy, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE }, | |
| 2970 { zfs_ioc_rollback, zfs_secpolicy_rollback, DATASET_NAME, B_TRUE }, | |
| 2971 { zfs_ioc_rename, zfs_secpolicy_rename, DATASET_NAME, B_TRUE }, | |
| 5367 | 2972 { zfs_ioc_recv, zfs_secpolicy_receive, DATASET_NAME, B_TRUE }, |
| 2973 { zfs_ioc_send, zfs_secpolicy_send, DATASET_NAME, B_TRUE }, | |
| 4577 | 2974 { zfs_ioc_inject_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE }, |
| 2975 { zfs_ioc_clear_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE }, | |
| 2976 { zfs_ioc_inject_list_next, zfs_secpolicy_inject, NO_NAME, B_FALSE }, | |
| 2977 { zfs_ioc_error_log, zfs_secpolicy_inject, POOL_NAME, B_FALSE }, | |
| 2978 { zfs_ioc_clear, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2979 { zfs_ioc_promote, zfs_secpolicy_promote, DATASET_NAME, B_TRUE }, | |
| 2980 { zfs_ioc_destroy_snaps, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE }, | |
| 2981 { zfs_ioc_snapshot, zfs_secpolicy_snapshot, DATASET_NAME, B_TRUE }, | |
| 2982 { zfs_ioc_dsobj_to_dsname, zfs_secpolicy_config, POOL_NAME, B_FALSE }, | |
| 2983 { zfs_ioc_obj_to_path, zfs_secpolicy_config, NO_NAME, B_FALSE }, | |
| 2984 { zfs_ioc_pool_set_props, zfs_secpolicy_config, POOL_NAME, B_TRUE }, | |
| 2985 { zfs_ioc_pool_get_props, zfs_secpolicy_read, POOL_NAME, B_FALSE }, | |
| 2986 { zfs_ioc_set_fsacl, zfs_secpolicy_fsacl, DATASET_NAME, B_TRUE }, | |
| 2987 { zfs_ioc_get_fsacl, zfs_secpolicy_read, DATASET_NAME, B_FALSE }, | |
| 4543 | 2988 { zfs_ioc_iscsi_perm_check, zfs_secpolicy_iscsi, |
| 4577 | 2989 DATASET_NAME, B_FALSE }, |
|
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diff
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|
2990 { zfs_ioc_share, zfs_secpolicy_share, DATASET_NAME, B_FALSE }, |
|
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|
2991 { zfs_ioc_inherit_prop, zfs_secpolicy_inherit, DATASET_NAME, B_TRUE }, |
| 789 | 2992 }; |
| 2993 | |
| 2994 static int | |
| 2995 zfsdev_ioctl(dev_t dev, int cmd, intptr_t arg, int flag, cred_t *cr, int *rvalp) | |
| 2996 { | |
| 2997 zfs_cmd_t *zc; | |
| 2998 uint_t vec; | |
| 2199 | 2999 int error, rc; |
| 789 | 3000 |
| 3001 if (getminor(dev) != 0) | |
| 3002 return (zvol_ioctl(dev, cmd, arg, flag, cr, rvalp)); | |
| 3003 | |
| 3004 vec = cmd - ZFS_IOC; | |
| 4787 | 3005 ASSERT3U(getmajor(dev), ==, ddi_driver_major(zfs_dip)); |
| 789 | 3006 |
| 3007 if (vec >= sizeof (zfs_ioc_vec) / sizeof (zfs_ioc_vec[0])) | |
| 3008 return (EINVAL); | |
| 3009 | |
| 3010 zc = kmem_zalloc(sizeof (zfs_cmd_t), KM_SLEEP); | |
| 3011 | |
| 3012 error = xcopyin((void *)arg, zc, sizeof (zfs_cmd_t)); | |
| 3013 | |
| 4787 | 3014 if (error == 0) |
| 4543 | 3015 error = zfs_ioc_vec[vec].zvec_secpolicy(zc, cr); |
| 789 | 3016 |
| 3017 /* | |
| 3018 * Ensure that all pool/dataset names are valid before we pass down to | |
| 3019 * the lower layers. | |
| 3020 */ | |
| 3021 if (error == 0) { | |
| 3022 zc->zc_name[sizeof (zc->zc_name) - 1] = '\0'; | |
| 3023 switch (zfs_ioc_vec[vec].zvec_namecheck) { | |
| 4577 | 3024 case POOL_NAME: |
| 789 | 3025 if (pool_namecheck(zc->zc_name, NULL, NULL) != 0) |
| 3026 error = EINVAL; | |
| 3027 break; | |
| 3028 | |
| 4577 | 3029 case DATASET_NAME: |
| 789 | 3030 if (dataset_namecheck(zc->zc_name, NULL, NULL) != 0) |
| 3031 error = EINVAL; | |
| 3032 break; | |
| 2856 | 3033 |
| 4577 | 3034 case NO_NAME: |
| 2856 | 3035 break; |
| 789 | 3036 } |
| 3037 } | |
| 3038 | |
| 3039 if (error == 0) | |
| 3040 error = zfs_ioc_vec[vec].zvec_func(zc); | |
| 3041 | |
| 2199 | 3042 rc = xcopyout(zc, (void *)arg, sizeof (zfs_cmd_t)); |
| 4543 | 3043 if (error == 0) { |
| 2199 | 3044 error = rc; |
| 4543 | 3045 if (zfs_ioc_vec[vec].zvec_his_log == B_TRUE) |
| 3046 zfs_log_history(zc); | |
| 3047 } | |
| 789 | 3048 |
| 3049 kmem_free(zc, sizeof (zfs_cmd_t)); | |
| 3050 return (error); | |
| 3051 } | |
| 3052 | |
| 3053 static int | |
| 3054 zfs_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) | |
| 3055 { | |
| 3056 if (cmd != DDI_ATTACH) | |
| 3057 return (DDI_FAILURE); | |
| 3058 | |
| 3059 if (ddi_create_minor_node(dip, "zfs", S_IFCHR, 0, | |
| 3060 DDI_PSEUDO, 0) == DDI_FAILURE) | |
| 3061 return (DDI_FAILURE); | |
| 3062 | |
| 3063 zfs_dip = dip; | |
| 3064 | |
| 3065 ddi_report_dev(dip); | |
| 3066 | |
| 3067 return (DDI_SUCCESS); | |
| 3068 } | |
| 3069 | |
| 3070 static int | |
| 3071 zfs_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) | |
| 3072 { | |
| 3073 if (spa_busy() || zfs_busy() || zvol_busy()) | |
| 3074 return (DDI_FAILURE); | |
| 3075 | |
| 3076 if (cmd != DDI_DETACH) | |
| 3077 return (DDI_FAILURE); | |
| 3078 | |
| 3079 zfs_dip = NULL; | |
| 3080 | |
| 3081 ddi_prop_remove_all(dip); | |
| 3082 ddi_remove_minor_node(dip, NULL); | |
| 3083 | |
| 3084 return (DDI_SUCCESS); | |
| 3085 } | |
| 3086 | |
| 3087 /*ARGSUSED*/ | |
| 3088 static int | |
| 3089 zfs_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result) | |
| 3090 { | |
| 3091 switch (infocmd) { | |
| 3092 case DDI_INFO_DEVT2DEVINFO: | |
| 3093 *result = zfs_dip; | |
| 3094 return (DDI_SUCCESS); | |
| 3095 | |
| 3096 case DDI_INFO_DEVT2INSTANCE: | |
|
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3097 *result = (void *)0; |
| 789 | 3098 return (DDI_SUCCESS); |
| 3099 } | |
| 3100 | |
| 3101 return (DDI_FAILURE); | |
| 3102 } | |
| 3103 | |
| 3104 /* | |
| 3105 * OK, so this is a little weird. | |
| 3106 * | |
| 3107 * /dev/zfs is the control node, i.e. minor 0. | |
| 3108 * /dev/zvol/[r]dsk/pool/dataset are the zvols, minor > 0. | |
| 3109 * | |
| 3110 * /dev/zfs has basically nothing to do except serve up ioctls, | |
| 3111 * so most of the standard driver entry points are in zvol.c. | |
| 3112 */ | |
| 3113 static struct cb_ops zfs_cb_ops = { | |
| 3114 zvol_open, /* open */ | |
| 3115 zvol_close, /* close */ | |
| 3116 zvol_strategy, /* strategy */ | |
| 3117 nodev, /* print */ | |
| 6423 | 3118 zvol_dump, /* dump */ |
| 789 | 3119 zvol_read, /* read */ |
| 3120 zvol_write, /* write */ | |
| 3121 zfsdev_ioctl, /* ioctl */ | |
| 3122 nodev, /* devmap */ | |
| 3123 nodev, /* mmap */ | |
| 3124 nodev, /* segmap */ | |
| 3125 nochpoll, /* poll */ | |
| 3126 ddi_prop_op, /* prop_op */ | |
| 3127 NULL, /* streamtab */ | |
| 3128 D_NEW | D_MP | D_64BIT, /* Driver compatibility flag */ | |
| 3129 CB_REV, /* version */ | |
|
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3130 nodev, /* async read */ |
|
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|
3131 nodev, /* async write */ |
| 789 | 3132 }; |
| 3133 | |
| 3134 static struct dev_ops zfs_dev_ops = { | |
| 3135 DEVO_REV, /* version */ | |
| 3136 0, /* refcnt */ | |
| 3137 zfs_info, /* info */ | |
| 3138 nulldev, /* identify */ | |
| 3139 nulldev, /* probe */ | |
| 3140 zfs_attach, /* attach */ | |
| 3141 zfs_detach, /* detach */ | |
| 3142 nodev, /* reset */ | |
| 3143 &zfs_cb_ops, /* driver operations */ | |
|
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|
3144 NULL, /* no bus operations */ |
|
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|
3145 NULL, /* power */ |
|
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|
3146 ddi_quiesce_not_needed, /* quiesce */ |
| 789 | 3147 }; |
| 3148 | |
| 3149 static struct modldrv zfs_modldrv = { | |
|
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3150 &mod_driverops, |
|
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|
3151 "ZFS storage pool", |
|
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|
3152 &zfs_dev_ops |
| 789 | 3153 }; |
| 3154 | |
| 3155 static struct modlinkage modlinkage = { | |
| 3156 MODREV_1, | |
| 3157 (void *)&zfs_modlfs, | |
| 3158 (void *)&zfs_modldrv, | |
| 3159 NULL | |
| 3160 }; | |
| 3161 | |
|
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3162 |
|
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|
3163 uint_t zfs_fsyncer_key; |
|
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|
3164 extern uint_t rrw_tsd_key; |
|
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|
3165 |
| 789 | 3166 int |
| 3167 _init(void) | |
| 3168 { | |
| 3169 int error; | |
| 3170 | |
|
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3171 spa_init(FREAD | FWRITE); |
|
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|
3172 zfs_init(); |
|
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3173 zvol_init(); |
|
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|
3174 |
|
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|
3175 if ((error = mod_install(&modlinkage)) != 0) { |
|
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|
3176 zvol_fini(); |
|
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diff
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|
3177 zfs_fini(); |
|
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diff
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|
3178 spa_fini(); |
| 789 | 3179 return (error); |
|
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diff
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|
3180 } |
| 789 | 3181 |
|
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|
3182 tsd_create(&zfs_fsyncer_key, NULL); |
|
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|
3183 tsd_create(&rrw_tsd_key, NULL); |
|
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|
3184 |
| 789 | 3185 error = ldi_ident_from_mod(&modlinkage, &zfs_li); |
| 3186 ASSERT(error == 0); | |
| 4543 | 3187 mutex_init(&zfs_share_lock, NULL, MUTEX_DEFAULT, NULL); |
| 789 | 3188 |
| 3189 return (0); | |
| 3190 } | |
| 3191 | |
| 3192 int | |
| 3193 _fini(void) | |
| 3194 { | |
| 3195 int error; | |
| 3196 | |
| 1544 | 3197 if (spa_busy() || zfs_busy() || zvol_busy() || zio_injection_enabled) |
| 789 | 3198 return (EBUSY); |
| 3199 | |
| 3200 if ((error = mod_remove(&modlinkage)) != 0) | |
| 3201 return (error); | |
| 3202 | |
| 3203 zvol_fini(); | |
| 3204 zfs_fini(); | |
| 3205 spa_fini(); | |
| 5331 | 3206 if (zfs_nfsshare_inited) |
| 4543 | 3207 (void) ddi_modclose(nfs_mod); |
| 5331 | 3208 if (zfs_smbshare_inited) |
| 3209 (void) ddi_modclose(smbsrv_mod); | |
| 3210 if (zfs_nfsshare_inited || zfs_smbshare_inited) | |
| 4543 | 3211 (void) ddi_modclose(sharefs_mod); |
| 789 | 3212 |
|
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|
3213 tsd_destroy(&zfs_fsyncer_key); |
| 789 | 3214 ldi_ident_release(zfs_li); |
| 3215 zfs_li = NULL; | |
| 4543 | 3216 mutex_destroy(&zfs_share_lock); |
| 789 | 3217 |
| 3218 return (error); | |
| 3219 } | |
| 3220 | |
| 3221 int | |
| 3222 _info(struct modinfo *modinfop) | |
| 3223 { | |
| 3224 return (mod_info(&modlinkage, modinfop)); | |
| 3225 } |