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Illumos 5314 - Remove "dbuf phys" db->db_data pointer aliases in ZFS

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5314 Remove "dbuf phys" db->db_data pointer aliases in ZFS
Author: Justin T. Gibbs <justing@spectralogic.com>
Reviewed by: Andriy Gapon <avg@freebsd.org>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Will Andrews <willa@spectralogic.com>
Approved by: Dan McDonald <danmcd@omniti.com>

References:
  https://www.illumos.org/issues/5314
  https://github.com/illumos/illumos-gate/commit/c137962

Ported-by: Chris Dunlop <chris@onthe.net.au>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Justin T. Gibbs
2015-04-02 02:14:34 +11:00
committed by Brian Behlendorf
parent 945dd93525
commit d683ddbb72
32 changed files with 914 additions and 808 deletions
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module/zfs/dsl_synctask.c
+1 -1
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@@ -152,7 +152,7 @@ dsl_sync_task_sync(dsl_sync_task_t *dst, dmu_tx_t *tx)
*/
quota = dsl_pool_adjustedsize(dp, B_FALSE) -
metaslab_class_get_deferred(spa_normal_class(dp->dp_spa));
used = dp->dp_root_dir->dd_phys->dd_used_bytes;
used = dsl_dir_phys(dp->dp_root_dir)->dd_used_bytes;
/* MOS space is triple-dittoed, so we multiply by 3. */
if (dst->dst_space > 0 && used + dst->dst_space * 3 > quota) {
dst->dst_error = SET_ERROR(ENOSPC);