Mercurial > illumos > illumos-gate
diff usr/src/uts/common/fs/zfs/dsl_dataset.c @ 5831:48655d6b290b
6630761 In sub-filesystem, available space is less than refreservation space
| author | ck153898 |
|---|---|
| date | Mon, 14 Jan 2008 13:37:53 -0800 |
| parents | 81f1af42bafc |
| children | 235fee4665e7 |
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--- a/usr/src/uts/common/fs/zfs/dsl_dataset.c Mon Jan 14 13:35:29 2008 -0800 +++ b/usr/src/uts/common/fs/zfs/dsl_dataset.c Mon Jan 14 13:37:53 2008 -0800 @@ -19,7 +19,7 @@ * CDDL HEADER END */ /* - * Copyright 2007 Sun Microsystems, Inc. All rights reserved. + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -2544,12 +2544,19 @@ int dsl_dataset_check_quota(dsl_dataset_t *ds, boolean_t check_quota, - uint64_t asize, uint64_t inflight, uint64_t *used) + uint64_t asize, uint64_t inflight, uint64_t *used, + uint64_t *ref_rsrv) { int error = 0; ASSERT3S(asize, >, 0); + /* + * *ref_rsrv is the portion of asize that will come from any + * unconsumed refreservation space. + */ + *ref_rsrv = 0; + mutex_enter(&ds->ds_lock); /* * Make a space adjustment for reserved bytes. @@ -2558,6 +2565,8 @@ ASSERT3U(*used, >=, ds->ds_reserved - ds->ds_phys->ds_unique_bytes); *used -= (ds->ds_reserved - ds->ds_phys->ds_unique_bytes); + *ref_rsrv = + asize - MIN(asize, parent_delta(ds, asize + inflight)); } if (!check_quota || ds->ds_quota == 0) {