blk-mq: export blk_mq_map_queues

This will allow SCSI to have a single blk_mq_ops structure that either lets the LLDD map the queues to PCIe MSIx vectors or use the default. Signed-off-by: Christoph Hellwig <[email protected]> Reviewed-by: Hannes Reinecke <[email protected]> Reviewed-by: Johannes Thumshirn <[email protected]> Reviewed-by: Sagi Grimberg <[email protected]> Reviewed-by: Jens Axboe <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
modi0012 · Nov 8, 2016 · 9e5a7e2 · 9e5a7e2
1 parent 69d72ac
commit 9e5a7e2
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diff --git a/block/blk-mq-cpumap.c b/block/blk-mq-cpumap.c
@@ -87,6 +87,7 @@ int blk_mq_map_queues(struct blk_mq_tag_set *set)
 	free_cpumask_var(cpus);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(blk_mq_map_queues);
 
 /*
  * We have no quick way of doing reverse lookups. This is only used at

diff --git a/block/blk-mq.h b/block/blk-mq.h
@@ -38,7 +38,6 @@ void blk_mq_disable_hotplug(void);
 /*
  * CPU -> queue mappings
  */
-int blk_mq_map_queues(struct blk_mq_tag_set *set);
 extern int blk_mq_hw_queue_to_node(unsigned int *map, unsigned int);
 
 static inline struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *q,

diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
@@ -237,6 +237,7 @@ void blk_mq_unfreeze_queue(struct request_queue *q);
 void blk_mq_freeze_queue_start(struct request_queue *q);
 int blk_mq_reinit_tagset(struct blk_mq_tag_set *set);
 
+int blk_mq_map_queues(struct blk_mq_tag_set *set);
 void blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set, int nr_hw_queues);
 
 /*