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(parent: 7b1f527) | patch
brd: Refuse improperly aligned discard requests
authorJan Kara <jack@suse.com>
Wed, 4 Nov 2015 16:13:39 +0000 (17:13 +0100)
committerJens Axboe <axboe@fb.com>
Wed, 11 Nov 2015 16:36:56 +0000 (09:36 -0700)
commitcccb0842a28c51af05f90367992da5bd7fca4946
tree7b53e4691b04a65e508c3dd4ea4e3cff1d53a301tree | snapshot
parent7b1f527293a5a3b6f12ac5ac89e1eef8ebd1af52commit | diff
brd: Refuse improperly aligned discard requests

Currently when improperly aligned discard request is submitted, we just
silently discard more / less data which results in filesystem corruption
in some cases. Refuse such misaligned requests.

Signed-off-by: Jan Kara <jack@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
drivers/block/brd.c diff | blob | history
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