diff mbox

[1/3] blk-mq: export blk_mq_map_queues

Message ID 1476521241-32765-2-git-send-email-hch@lst.de (mailing list archive)
State New, archived
Headers show

Commit Message

Christoph Hellwig Oct. 15, 2016, 8:47 a.m. UTC
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>
---
 block/blk-mq.h         | 1 -
 include/linux/blk-mq.h | 1 +
 2 files changed, 1 insertion(+), 1 deletion(-)

Comments

Hannes Reinecke Oct. 15, 2016, 11:45 a.m. UTC | #1
On 10/15/2016 10:47 AM, Christoph Hellwig wrote:
> 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>
> ---
>  block/blk-mq.h         | 1 -
>  include/linux/blk-mq.h | 1 +
>  2 files changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/block/blk-mq.h b/block/blk-mq.h
> index e5d2524..5347f01 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 535ab2e..6c0fb25 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);
>
>  /*
>
Reviewed-by: Hannes Reinecke <hare@suse.com>

Cheers,

Hannes
Johannes Thumshirn Oct. 17, 2016, 7:29 a.m. UTC | #2
On Sat, Oct 15, 2016 at 10:47:19AM +0200, Christoph Hellwig wrote:
> 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>
> ---
>  block/blk-mq.h         | 1 -
>  include/linux/blk-mq.h | 1 +
>  2 files changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/block/blk-mq.h b/block/blk-mq.h
> index e5d2524..5347f01 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 535ab2e..6c0fb25 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);
>  
>  /*
> -- 
> 2.1.4

See comment on patch 2, otherwise
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
diff mbox

Patch

diff --git a/block/blk-mq.h b/block/blk-mq.h
index e5d2524..5347f01 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 535ab2e..6c0fb25 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);
 
 /*