git.baikalelectronics.ru Git - kernel.git/commit

]> git.baikalelectronics.ru Git - kernel.git/commit

author	Shaohua Li <shli@kernel.org>
	Fri, 14 Dec 2012 03:15:36 +0000 (11:15 +0800)
committer	Jens Axboe <axboe@kernel.dk>
	Fri, 14 Dec 2012 19:46:04 +0000 (20:46 +0100)
commit	7ee99be492139c8218646740d2b7a0910b000253
tree	ea51e89f8c8bf9ca8e888d68ecf6732a52e8e99d	tree \| snapshot
parent	f88422a8af9cee7ffb67470e7174247f646425e7	commit \| diff

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: Neil Brown <neilb@suse.de>
Signed-off-by: Shaohua Li <shli@fusionio.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

block/blk-lib.c		diff \| blob \| history
block/blk-settings.c		diff \| blob \| history
include/linux/blkdev.h		diff \| blob \| history

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