xfs: don't modify file attributes or poke fsnotify for dry runs

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I noticed that we shouldn't be removing file privileges when doing a dry
run of an exchange-range operation.  LOLLM also points out that a dry
run shouldn't poke fsnotify because we don't actually change the files.
Fix both by gating them on !DRY_RUN.

Cc: stable@vger.kernel.org # v6.10
Fixes: 42672471f9 ("xfs: bind together the front and back ends of the file range exchange code")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Assisted-by: LOLLM # finding obvious bugs
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Carlos Maiolino <cem@kernel.org>

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Darrick J. Wong 2026-09-01 22:44:37 -07:00 • committed by Carlos Maiolino

parent b71ae66863

commit 365fe37e10

1 changed files with 9 additions and 3 deletions

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fs/xfs/xfs_exchrange.c

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