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block: makes bio_split support bio without data
authorShaohua Li <shli@kernel.org>
Fri, 28 Sep 2012 08:38:48 +0000 (10:38 +0200)
committerJens Axboe <axboe@kernel.dk>
Fri, 28 Sep 2012 08:38:48 +0000 (10:38 +0200)
discard bio hasn't data attached. We hit a BUG_ON with such bio. This makes
bio_split works for such bio.

Signed-off-by: Shaohua Li <shli@fusionio.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/bio.c patch | blob | history

diff --cc fs/bio.c
Simple merge
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