blk-mq: fix schedule from atomic context
authorMing Lei <tom.leiming@gmail.com>
Sat, 31 May 2014 16:43:37 +0000 (00:43 +0800)
committerJens Axboe <axboe@fb.com>
Wed, 4 Jun 2014 03:04:39 +0000 (21:04 -0600)
blk_mq_put_ctx() has to be called before io_schedule() in
bt_get().

This patch fixes the problem by taking similar approach from
percpu_ida allocation for the situation.

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

Simple merge
Simple merge
diff --cc block/blk-mq.c
Simple merge
diff --cc block/blk-mq.h
Simple merge