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(parent: db035ac) | patch
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)
commitc55d509b2eba8e0a1313fd3316aaf0b7072620ed
treee7cc574ca11f44ccdf6a685dc45a9a1eede1f2cdtree | snapshot
parentdb035acc7d5f7143196ff5d94c08756797251729commit | diff
block: makes bio_split support bio without data

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 diff | blob | history
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