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xfs: use deferred intent items for reaping crosslinked blocks

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[ Upstream commit cd32a0c0dc ]

When we're removing rmap records for crosslinked blocks, use deferred
intent items so that we can try to free/unmap as many of the old data
structure's blocks as we can in the same transaction as the commit.

Cc: <stable@vger.kernel.org> # v6.6
Fixes: 1c7ce115e5 ("xfs: reap large AG metadata extents when possible")
Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
[ adapted xfs_refcount_free_cow_extent() and xfs_rmap_free_extent() ]
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Darrick J. Wong
2025-10-20 11:49:51 -04:00
committed by Greg Kroah-Hartman
parent e9fd43b799
commit 88ad39711b
1 changed files with 5 additions and 4 deletions
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9
fs/xfs/scrub/reap.c
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@@ -409,8 +409,6 @@ xreap_agextent_iter(
if (crosslinked) {
trace_xreap_dispose_unmap_extent(sc->sa.pag, agbno, *aglenp);
rs->force_roll = true;
if (rs->oinfo == &XFS_RMAP_OINFO_COW) {
/*
* If we're unmapping CoW staging extents, remove the
@@ -418,11 +416,14 @@ xreap_agextent_iter(
* rmap record as well.
*/
xfs_refcount_free_cow_extent(sc->tp, fsbno, *aglenp);
rs->force_roll = true;
return 0;
}
return xfs_rmap_free(sc->tp, sc->sa.agf_bp, sc->sa.pag, agbno,
*aglenp, rs->oinfo);
xfs_rmap_free_extent(sc->tp, sc->sa.pag->pag_agno, agbno,
*aglenp, rs->oinfo->oi_owner);
rs->deferred++;
return 0;
}
trace_xreap_dispose_free_extent(sc->sa.pag, agbno, *aglenp);