Eric Lee / smarc-ti-linux-kernel

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Commit b94ec296403e99d5ac9a8c48332cec4118d44b94

Authored by Mike Snitzer
Committed by Jens Axboe
1 parent b62c21b71f
Exists in ti-lsk-linux-4.1.y and in 10 other branches dlt-processor-sdk-linux-03.00.00.04, processor-sdk-linux-02.00.01, smarc-ti-lsk-linux-4.1.y, smarct3x-processor-sdk-04.01.00.06, smarct3x-processor-sdk-linux-02.00.01, smarct3x-processor-sdk-linux-03.00.00.04, smarct4x-800-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-04.01.00.06, smarct4x-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-linux-03.00.00.04

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: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

Showing 2 changed files with 5 additions and 4 deletions Side-by-side Diff

... ... @@ -33,7 +33,6 @@
33 33 static LIST_HEAD(all_q_list);
34 34  
35 35 static void __blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx);
36   -static void blk_mq_run_queues(struct request_queue *q);
37 36  
38 37 /*
39 38 * Check if any of the ctx's have pending work in this hardware queue
... ... @@ -118,7 +117,7 @@
118 117  
119 118 if (freeze) {
120 119 percpu_ref_kill(&q->mq_usage_counter);
121   - blk_mq_run_queues(q);
  120 + blk_mq_run_hw_queues(q, false);
122 121 }
123 122 }
124 123 EXPORT_SYMBOL_GPL(blk_mq_freeze_queue_start);
... ... @@ -904,7 +903,7 @@
904 903 &hctx->run_work, 0);
905 904 }
906 905  
907   -static void blk_mq_run_queues(struct request_queue *q)
  906 +void blk_mq_run_hw_queues(struct request_queue *q, bool async)
908 907 {
909 908 struct blk_mq_hw_ctx *hctx;
910 909 int i;
911 910  
... ... @@ -915,9 +914,10 @@
915 914 test_bit(BLK_MQ_S_STOPPED, &hctx->state))
916 915 continue;
917 916  
918   - blk_mq_run_hw_queue(hctx, false);
  917 + blk_mq_run_hw_queue(hctx, async);
919 918 }
920 919 }
  920 +EXPORT_SYMBOL(blk_mq_run_hw_queues);
921 921  
922 922 void blk_mq_stop_hw_queue(struct blk_mq_hw_ctx *hctx)
923 923 {
include/linux/blk-mq.h
Diff comments   View file @ b94ec29
... ... @@ -220,6 +220,7 @@
220 220 void blk_mq_stop_hw_queues(struct request_queue *q);
221 221 void blk_mq_start_hw_queues(struct request_queue *q);
222 222 void blk_mq_start_stopped_hw_queues(struct request_queue *q, bool async);
  223 +void blk_mq_run_hw_queues(struct request_queue *q, bool async);
223 224 void blk_mq_delay_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs);
224 225 void blk_mq_tag_busy_iter(struct blk_mq_hw_ctx *hctx, busy_iter_fn *fn,
225 226 void *priv);