Commit b94ec296 authored by Mike Snitzer's avatar Mike Snitzer Committed by Jens Axboe

blk-mq: export blk_mq_run_hw_queues

Rename blk_mq_run_queues to blk_mq_run_hw_queues, add async argument,
and export it.

DM's suspend support must be able to run the queue without starting
stopped hw queues.
Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent b62c21b7
...@@ -33,7 +33,6 @@ static DEFINE_MUTEX(all_q_mutex); ...@@ -33,7 +33,6 @@ static DEFINE_MUTEX(all_q_mutex);
static LIST_HEAD(all_q_list); static LIST_HEAD(all_q_list);
static void __blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx); static void __blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx);
static void blk_mq_run_queues(struct request_queue *q);
/* /*
* Check if any of the ctx's have pending work in this hardware queue * Check if any of the ctx's have pending work in this hardware queue
...@@ -118,7 +117,7 @@ void blk_mq_freeze_queue_start(struct request_queue *q) ...@@ -118,7 +117,7 @@ void blk_mq_freeze_queue_start(struct request_queue *q)
if (freeze) { if (freeze) {
percpu_ref_kill(&q->mq_usage_counter); percpu_ref_kill(&q->mq_usage_counter);
blk_mq_run_queues(q); blk_mq_run_hw_queues(q, false);
} }
} }
EXPORT_SYMBOL_GPL(blk_mq_freeze_queue_start); EXPORT_SYMBOL_GPL(blk_mq_freeze_queue_start);
...@@ -904,7 +903,7 @@ void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async) ...@@ -904,7 +903,7 @@ void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async)
&hctx->run_work, 0); &hctx->run_work, 0);
} }
static void blk_mq_run_queues(struct request_queue *q) void blk_mq_run_hw_queues(struct request_queue *q, bool async)
{ {
struct blk_mq_hw_ctx *hctx; struct blk_mq_hw_ctx *hctx;
int i; int i;
...@@ -915,9 +914,10 @@ static void blk_mq_run_queues(struct request_queue *q) ...@@ -915,9 +914,10 @@ static void blk_mq_run_queues(struct request_queue *q)
test_bit(BLK_MQ_S_STOPPED, &hctx->state)) test_bit(BLK_MQ_S_STOPPED, &hctx->state))
continue; continue;
blk_mq_run_hw_queue(hctx, false); blk_mq_run_hw_queue(hctx, async);
} }
} }
EXPORT_SYMBOL(blk_mq_run_hw_queues);
void blk_mq_stop_hw_queue(struct blk_mq_hw_ctx *hctx) void blk_mq_stop_hw_queue(struct blk_mq_hw_ctx *hctx)
{ {
......
...@@ -220,6 +220,7 @@ void blk_mq_start_hw_queue(struct blk_mq_hw_ctx *hctx); ...@@ -220,6 +220,7 @@ void blk_mq_start_hw_queue(struct blk_mq_hw_ctx *hctx);
void blk_mq_stop_hw_queues(struct request_queue *q); void blk_mq_stop_hw_queues(struct request_queue *q);
void blk_mq_start_hw_queues(struct request_queue *q); void blk_mq_start_hw_queues(struct request_queue *q);
void blk_mq_start_stopped_hw_queues(struct request_queue *q, bool async); void blk_mq_start_stopped_hw_queues(struct request_queue *q, bool async);
void blk_mq_run_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);
......
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