diff options
author | Christoph Hellwig <hch@lst.de> | 2016-11-01 15:12:47 +0100 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-11-08 23:30:00 +0100 |
commit | 9e5a7e22951bc12ee45cb617919d57b5efce56b5 (patch) | |
tree | 87dffd410bc4974fec641da229105cac08c163a0 | |
parent | scsi: ufs: change device rails hpm mode ramp up sequence (diff) | |
download | linux-9e5a7e22951bc12ee45cb617919d57b5efce56b5.tar.xz linux-9e5a7e22951bc12ee45cb617919d57b5efce56b5.zip |
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 <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r-- | block/blk-mq-cpumap.c | 1 | ||||
-rw-r--r-- | block/blk-mq.h | 1 | ||||
-rw-r--r-- | include/linux/blk-mq.h | 1 |
3 files changed, 2 insertions, 1 deletions
diff --git a/block/blk-mq-cpumap.c b/block/blk-mq-cpumap.c index 19b1d9c5f07e..8e61e8640e17 100644 --- 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 index e5d25249028c..5347f011e90d 100644 --- 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 index 535ab2e13d2e..6c0fb259581f 100644 --- 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); /* |