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(parent: 3c892a0) | patch
dm: limit the max bio size as BIO_MAX_PAGES * PAGE_SIZE
authorMing Lei <ming.lei@redhat.com>
Mon, 18 Dec 2017 12:22:08 +0000 (20:22 +0800)
committerJens Axboe <axboe@kernel.dk>
Sat, 6 Jan 2018 16:18:00 +0000 (09:18 -0700)
commit8f50e358153dd68182c714626be4a90b64179cf4
tree271cef801d2e2757eed59270948993b65ae10d06tree | snapshot
parent3c892a098b0bfa3e571f1f0d2a7e72fbaeea691acommit | diff
dm: limit the max bio size as BIO_MAX_PAGES * PAGE_SIZE

For BIO based DM, some targets aren't ready for dealing with bigger
incoming bio than 1Mbyte, such as crypt target.

Cc: Mike Snitzer <snitzer@redhat.com>
Cc:dm-devel@redhat.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/md/dm.c diff | blob | history
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