From d732580b4eb31553c63744a47d590f770cafb8f0 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 5 Mar 2012 13:14:58 -0800 Subject: block: implement blk_queue_bypass_start/end() Rename and extend elv_queisce_start/end() to blk_queue_bypass_start/end() which are exported and supports nesting via @q->bypass_depth. Also add blk_queue_bypass() to test bypass state. This will be further extended and used for blkio_group management. Signed-off-by: Tejun Heo Cc: Vivek Goyal Signed-off-by: Jens Axboe --- block/blk.h | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'block/blk.h') diff --git a/block/blk.h b/block/blk.h index 9c12f80882b0..7422f3133c5d 100644 --- a/block/blk.h +++ b/block/blk.h @@ -23,7 +23,8 @@ void blk_rq_bio_prep(struct request_queue *q, struct request *rq, struct bio *bio); int blk_rq_append_bio(struct request_queue *q, struct request *rq, struct bio *bio); -void blk_drain_queue(struct request_queue *q, bool drain_all); +void blk_queue_bypass_start(struct request_queue *q); +void blk_queue_bypass_end(struct request_queue *q); void blk_dequeue_request(struct request *rq); void __blk_queue_free_tags(struct request_queue *q); bool __blk_end_bidi_request(struct request *rq, int error, @@ -144,9 +145,6 @@ void blk_queue_congestion_threshold(struct request_queue *q); int blk_dev_init(void); -void elv_quiesce_start(struct request_queue *q); -void elv_quiesce_end(struct request_queue *q); - /* * Return the threshold (number of used requests) at which the queue is -- cgit v1.2.3-59-g8ed1b