Commit c761d96b authored by Jens Axboe's avatar Jens Axboe
Browse files

blk-mq: export blk_mq_freeze_queue() 



Commit b4c6a028 exported the start and unfreeze, but we need
the regular blk_mq_freeze_queue() for the loop conversion.

Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent 5d7bf4d8

block/blk-mq.c

+1 −0
Original line number Diff line number Diff line
@@ -136,6 +136,7 @@ void blk_mq_freeze_queue(struct request_queue *q) 
	blk_mq_freeze_queue_start(q);

	blk_mq_freeze_queue_wait(q);

}

EXPORT_SYMBOL_GPL(blk_mq_freeze_queue);



void blk_mq_unfreeze_queue(struct request_queue *q)

{

include/linux/blk-mq.h

+1 −0
Original line number Diff line number Diff line
@@ -212,6 +212,7 @@ void blk_mq_start_stopped_hw_queues(struct request_queue *q, bool async); 
void blk_mq_delay_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs);

void blk_mq_tag_busy_iter(struct blk_mq_hw_ctx *hctx, busy_iter_fn *fn,

		void *priv);

void blk_mq_freeze_queue(struct request_queue *q);

void blk_mq_unfreeze_queue(struct request_queue *q);

void blk_mq_freeze_queue_start(struct request_queue *q);