Darrick J. Wong e3aca4536b xfs: fix units conversion error in xfs_bmap_del_extent_delay ...

commit ddd98076d5 upstream.

The unit conversions in this function do not make sense.  First we
convert a block count to bytes, then divide that bytes value by
rextsize, which is in blocks, to get an rt extent count.  You can't
divide bytes by blocks to get a (possibly multiblock) extent value.

Fortunately nobody uses delalloc on the rt volume so this hasn't
mattered.

Fixes: fa5c836ca8 ("xfs: refactor xfs_bunmapi_cow")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Catherine Hoang <catherine.hoang@oracle.com>
Acked-by: Chandan Babu R <chandanbabu@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2024-02-16 19:10:44 +01:00

165 KiB

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