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linux/include/linux/blkdev.h
Mike Snitzer 65f33b3572 block: fix incorrect branching in blk_max_size_offset() 
If non-zero 'chunk_sectors' is passed in to blk_max_size_offset() that
override will be incorrectly ignored.

Old blk_max_size_offset() branching, prior to commit 3ee16db390,
must be used only if passed 'chunk_sectors' override is zero.

Fixes: 3ee16db390 ("dm: fix IO splitting")
Cc: stable@vger.kernel.org # 5.9
Reported-by: John Dorminy <jdorminy@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2020-12-04 17:27:42 -05:00

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