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| author | Christoph Hellwig <hch@lst.de> | 2016-09-14 16:18:55 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-09-15 08:42:03 -0600 |
| commit | da695ba236b993f07a540d35c17f271ef08c89f3 (patch) | |
| tree | bcf5c0624f3e3889b8c1284f1965cf90b265b78e /block/blk-mq.h | |
| parent | 7d7e0f90b70f6c5367c2d1c9a7e87dd228bd0816 (diff) | |
| download | linux-da695ba236b993f07a540d35c17f271ef08c89f3.tar.gz linux-da695ba236b993f07a540d35c17f271ef08c89f3.tar.bz2 linux-da695ba236b993f07a540d35c17f271ef08c89f3.zip | |
blk-mq: allow the driver to pass in a queue mapping
This allows drivers specify their own queue mapping by overriding the
setup-time function that builds the mq_map. This can be used for
example to build the map based on the MSI-X vector mapping provided
by the core interrupt layer for PCI devices.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-mq.h')
| -rw-r--r-- | block/blk-mq.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/block/blk-mq.h b/block/blk-mq.h index ec774bf4aea2..c92bb7debf85 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -47,9 +47,7 @@ void blk_mq_disable_hotplug(void); /* * CPU -> queue mappings */ -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, - const struct cpumask *online_mask); +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, |