xfs: use the rtgroup extent count to find rtrefcount gaps

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LOLLM noticed an anachronism from the early days of rtrefcount where the
refcount btree would handle 64-bit block numbers -- we pass rtblocks
into the gap finder, but rtrefcount btrees are sharded by rtgroup now.
This isn't really a problem for us since we're only looking for
overlapping rtrmap records to flag, but let's fix this sillyness.

Also fix some stale comments.

Cc: stable@vger.kernel.org # v6.14
Fixes: 30f47950dc ("xfs: check reference counts of gaps between rt refcount records")
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 2026-09-02 22:51:21 -07:00 • committed by Carlos Maiolino

parent 79ab1af203

commit c3085f6c7c

1 changed files with 5 additions and 5 deletions

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fs/xfs/scrub/rtrefcount.c

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