xfs: use WRITE_ONCE to update b_flags

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Prepare for limited lockless reading of flags by using WRITE_ONCE to
prevent the compiler from doing non-standard read-modify-write
operations.

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

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Christoph Hellwig 2026-07-15 16:51:00 +02:00 • committed by Carlos Maiolino

parent 9f224de410

commit b15f6520ab

1 changed files with 51 additions and 35 deletions

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86

fs/xfs/xfs_buf.c

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