xfs: fix reloading entire unlinked bucket lists

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[ Upstream commit 537c013b14 ]

During review of the patcheset that provided reloading of the incore
iunlink list, Dave made a few suggestions, and I updated the copy in my
dev tree.  Unfortunately, I then got distracted by ... who even knows
what ... and forgot to backport those changes from my dev tree to my
release candidate branch.  I then sent multiple pull requests with stale
patches, and that's what was merged into -rc3.

So.

This patch re-adds the use of an unlocked iunlink list check to
determine if we want to allocate the resources to recreate the incore
list.  Since lost iunlinked inodes are supposed to be rare, this change
helps us avoid paying the transaction and AGF locking costs every time
we open any inode.

This also re-adds the shutdowns on failure, and re-applies the
restructuring of the inner loop in xfs_inode_reload_unlinked_bucket, and
re-adds a requested comment about the quotachecking code.

Retain the original RVB tag from Dave since there's no code change from
the last submission.

Fixes: 68b957f64f ("xfs: load uncached unlinked inodes into memory on demand")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Leah Rumancik <leah.rumancik@gmail.com>
Acked-by: Chandan Babu R <chandanbabu@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Darrick J. Wong 2024-09-24 11:38:50 -07:00 • committed by Greg Kroah-Hartman

parent 62ca591045

commit af871df651

4 changed files with 61 additions and 20 deletions

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16

fs/xfs/xfs_export.c

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48

fs/xfs/xfs_inode.c

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2

fs/xfs/xfs_itable.c

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15

fs/xfs/xfs_qm.c

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