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Add missed DMU_PROJECTUSED_OBJECT prefetch.

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It seems 9c5167d19f "Project Quota on ZFS" missed to add prefetch
for DMU_PROJECTUSED_OBJECT during scan (scrub/resilver).  It should
not cause visible problems, but may affect scub/resilver performance.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by:	Alexander Motin <mav@FreeBSD.org>
Sponsored by:	iXsystems, Inc.
Closes #15024
This commit is contained in:
Alexander Motin 2023-07-13 12:12:55 -04:00 committed by Brian Behlendorf
parent bf6cd30796
commit b4e630b00c
1 changed files with 5 additions and 0 deletions
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5
module/zfs/dsl_scan.c
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@ -2015,6 +2015,11 @@ dsl_scan_prefetch_cb(zio_t *zio, const zbookmark_phys_t *zb, const blkptr_t *bp,
zb->zb_objset, DMU_META_DNODE_OBJECT);
if (OBJSET_BUF_HAS_USERUSED(buf)) {
if (OBJSET_BUF_HAS_PROJECTUSED(buf)) {
dsl_scan_prefetch_dnode(scn,
&osp->os_projectused_dnode, zb->zb_objset,
DMU_PROJECTUSED_OBJECT);
}
dsl_scan_prefetch_dnode(scn,
&osp->os_groupused_dnode, zb->zb_objset,
DMU_GROUPUSED_OBJECT);