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(parent: 8b12251) | patch
blk-mq: bitmap tag: remove barrier in bt_clear_tag()
authorMing Lei <tom.leiming@gmail.com>
Sat, 10 May 2014 17:01:49 +0000 (01:01 +0800)
committerJens Axboe <axboe@fb.com>
Sat, 10 May 2014 21:42:13 +0000 (15:42 -0600)
commitc5f996de6751b7223a338eaf6298ce8cab88a24c
tree29357144d3693b6569e6d525873c31c273c9cc56tree | snapshot
parent8b1225113baf7b72f63bd54e3e56a765279bc19bcommit | diff
blk-mq: bitmap tag: remove barrier in bt_clear_tag()

The barrier isn't necessary because both atomic_dec_and_test()
and wake_up() implicate one barrier.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
block/blk-mq-tag.c diff | blob | history
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