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authorJens Axboe <axboe@kernel.dk>2018-10-29 20:07:33 +0100
committerJens Axboe <axboe@kernel.dk>2018-11-07 21:44:59 +0100
commitff2c56609d9b1f0739ae3a3bfdb78191d01e4192 (patch)
tree77ceeb250e502d55837c29da39ae61f62ce5284b /block/blk-mq.h
parentblk-mq: abstract out queue map (diff)
downloadlinux-ff2c56609d9b1f0739ae3a3bfdb78191d01e4192.tar.xz
linux-ff2c56609d9b1f0739ae3a3bfdb78191d01e4192.zip
blk-mq: provide dummy blk_mq_map_queue_type() helper
Doesn't do anything right now, but it's needed as a prep patch to get the interfaces right. While in there, correct the blk_mq_map_queue() CPU type to an unsigned int. Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq.h')
-rw-r--r--block/blk-mq.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/block/blk-mq.h b/block/blk-mq.h
index 889f0069dd80..d9facfb9ca51 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -73,13 +73,20 @@ void blk_mq_try_issue_list_directly(struct blk_mq_hw_ctx *hctx,
extern int blk_mq_hw_queue_to_node(struct blk_mq_queue_map *qmap, unsigned int);
static inline struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *q,
- int cpu)
+ unsigned int cpu)
{
struct blk_mq_tag_set *set = q->tag_set;
return q->queue_hw_ctx[set->map[0].mq_map[cpu]];
}
+static inline struct blk_mq_hw_ctx *blk_mq_map_queue_type(struct request_queue *q,
+ unsigned int hctx_type,
+ unsigned int cpu)
+{
+ return blk_mq_map_queue(q, cpu);
+}
+
/*
* sysfs helpers
*/