Darrick J. Wong 424be21ed8 xfs: handle non-inode owners for rtrmap record checking
commit 353a5900bc upstream.

LOLLM noticed that two helper functions in the rtrmapbt scrub code don't
actually handle non-inode owners correctly -- CoW staging extents and
rgsuperblock extents are not shareable, but they are mergeable.  Fix
these two helpers.

Cc: stable@vger.kernel.org # v6.14
Fixes: 2d9a3e9805 ("xfs: allow overlapping rtrmapbt records for shared data extents")
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-07-18 16:53:37 +02:00
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Linux kernel
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