xfs: check the flags earlier in xfs_attr_match

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Checking the flags match is much cheaper than a memcmp, so do it early
on in xfs_attr_match, and also add a little helper to calculate the
match mask right under the comment explaining the logic for it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>

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Christoph Hellwig 2024-04-22 09:47:36 -07:00 • committed by Darrick J. Wong

parent 63211876ce

commit f49af061f4

1 changed files with 10 additions and 9 deletions

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fs/xfs/libxfs/xfs_attr_leaf.c

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