path: root/block/blk-mq.h
diff options
authorJens Axboe <>2014-05-27 12:06:53 -0600
committerJens Axboe <>2014-05-27 12:06:53 -0600
commitf14bbe77a96bb979dc539d8308ee18a9363a544f (patch)
tree38ae39ea9002bb126aa259be0e81ffd7b32fa0d9 /block/blk-mq.h
parent3d2936f457a847d9d88a9cc127e0eb7a0ebba0ff (diff)
blk-mq: pass in suggested NUMA node to ->alloc_hctx()
Drivers currently have to figure this out on their own, and they are missing information to do it properly. The ones that did attempt to do it, do it wrong. So just pass in the suggested node directly to the alloc function. Signed-off-by: Jens Axboe <>
Diffstat (limited to 'block/blk-mq.h')
1 files changed, 1 insertions, 0 deletions
diff --git a/block/blk-mq.h b/block/blk-mq.h
index 491dbd4e93f5..ff5e6bf0f691 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -52,6 +52,7 @@ void blk_mq_disable_hotplug(void);
extern unsigned int *blk_mq_make_queue_map(struct blk_mq_tag_set *set);
extern int blk_mq_update_queue_map(unsigned int *map, unsigned int nr_queues);
+extern int blk_mq_hw_queue_to_node(unsigned int *map, unsigned int);
* Basic implementation of sparser bitmap, allowing the user to spread