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Commit 8dd2cb7e authored by Shaohua Li's avatar Shaohua Li Committed by Jens Axboe
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block: discard granularity might not be power of 2 



In MD raid case, discard granularity might not be power of 2, for example, a
4-disk raid5 has 3*chunk_size discard granularity. Correct the calculation for
such cases.

Reported-by: default avatarNeil Brown <neilb@suse.de>
Signed-off-by: default avatarShaohua Li <shli@fusionio.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 75274551
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