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| author | Ming Lei <tom.leiming@gmail.com> | 2013-12-26 21:31:35 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2013-12-31 09:53:05 -0700 |
| commit | 43a5e4e21964a6efb4d14a34644ec7109d0ae891 (patch) | |
| tree | 9ff635ec990583c0877d4056841d35e6018825a1 /block/blk-mq.h | |
| parent | b28bc9b38c52f63f43e3fd875af982f2240a2859 (diff) | |
| download | linux-43a5e4e21964a6efb4d14a34644ec7109d0ae891.tar.gz linux-43a5e4e21964a6efb4d14a34644ec7109d0ae891.tar.bz2 linux-43a5e4e21964a6efb4d14a34644ec7109d0ae891.zip | |
block: blk-mq: support draining mq queue
blk_mq_drain_queue() is introduced so that we can drain
mq queue inside blk_cleanup_queue().
Also don't accept new requests any more if queue is marked
as dying.
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq.h')
| -rw-r--r-- | block/blk-mq.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/block/blk-mq.h b/block/blk-mq.h index 52bf1f96a2c2..caa614f24409 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -27,6 +27,7 @@ void blk_mq_complete_request(struct request *rq, int error); void blk_mq_run_request(struct request *rq, bool run_queue, bool async); void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async); void blk_mq_init_flush(struct request_queue *q); +void blk_mq_drain_queue(struct request_queue *q); /* * CPU hotplug helpers |