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: Mike Snitzer <snitzer@xxxxxxxxxx>
---
block/blk-mq.c | 8 ++++----
include/linux/blk-mq.h | 1 +
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index d576a78..5706dd9 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -33,7 +33,6 @@ static DEFINE_MUTEX(all_q_mutex);
static LIST_HEAD(all_q_list);
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
@@ -118,7 +117,7 @@ void blk_mq_freeze_queue_start(struct request_queue *q)
if (freeze) {
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);
@@ -904,7 +903,7 @@ void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async)
&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;
int i;
@@ -915,9 +914,10 @@ static void blk_mq_run_queues(struct request_queue *q)
test_bit(BLK_MQ_S_STOPPED, &hctx->state))
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)
{
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index 9a75c88..ebfe707 100644
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -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_start_hw_queues(struct request_queue *q);
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_tag_busy_iter(struct blk_mq_hw_ctx *hctx, busy_iter_fn *fn,
void *priv);
--
1.9.5 (Apple Git-50.3)
--
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