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blk-mq: export blk_mq_freeze_queue()

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Commit b4c6a02877 exported the start and unfreeze, but we need
the regular blk_mq_freeze_queue() for the loop conversion.

Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Jens Axboe
2015-01-02 15:05:12 -07:00
parent 5d7bf4d8f6
commit c761d96b07
2 changed files with 2 additions and 0 deletions
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1
block/blk-mq.c
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@@ -136,6 +136,7 @@ void blk_mq_freeze_queue(struct request_queue *q)
blk_mq_freeze_queue_start(q); blk_mq_freeze_queue_start(q);
blk_mq_freeze_queue_wait(q); blk_mq_freeze_queue_wait(q);
} }
EXPORT_SYMBOL_GPL(blk_mq_freeze_queue);
void blk_mq_unfreeze_queue(struct request_queue *q) void blk_mq_unfreeze_queue(struct request_queue *q)
{ {

1
include/linux/blk-mq.h
View File

@@ -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_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 blk_mq_tag_busy_iter(struct blk_mq_hw_ctx *hctx, busy_iter_fn *fn,
void *priv); void *priv);
void blk_mq_freeze_queue(struct request_queue *q);
void blk_mq_unfreeze_queue(struct request_queue *q); void blk_mq_unfreeze_queue(struct request_queue *q);
void blk_mq_freeze_queue_start(struct request_queue *q); void blk_mq_freeze_queue_start(struct request_queue *q);