xfs: use WRITE_ONCE/READ_ONCE for m_errortag

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There is no synchronization for updating m_errortag, which is fine as
it's just a debug tool.  It would still be nice to fully avoid the
theoretical case of torn values, so use WRITE_ONCE and READ_ONCE to
access the members.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hans Holmberg <hans.holmberg@wdc.com>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Carlos Maiolino <cem@kernel.org>

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Christoph Hellwig 2026-01-30 06:19:20 +01:00 • committed by Carlos Maiolino

parent e2d62bfd99

commit 4d8f42466a

1 changed files with 14 additions and 9 deletions

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fs/xfs/xfs_error.c

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