diff options
| author | Jens Axboe <axboe@kernel.dk> | 2018-10-29 13:11:38 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-11-07 13:44:59 -0700 |
| commit | f9afca4d367b8c915f28d29fcaba7460640403ff (patch) | |
| tree | 452e46a75ae18332d1d795b32554943de47db4c2 /block/blk-mq.h | |
| parent | ff2c56609d9b1f0739ae3a3bfdb78191d01e4192 (diff) | |
| download | lwn-f9afca4d367b8c915f28d29fcaba7460640403ff.tar.gz lwn-f9afca4d367b8c915f28d29fcaba7460640403ff.zip | |
blk-mq: pass in request/bio flags to queue mapping
Prep patch for being able to place request based not just on
CPU location, but also on the type of request.
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.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/block/blk-mq.h b/block/blk-mq.h index d9facfb9ca51..6a8f8b60d8ba 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -73,6 +73,7 @@ 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, + unsigned int flags, unsigned int cpu) { struct blk_mq_tag_set *set = q->tag_set; @@ -84,7 +85,7 @@ static inline struct blk_mq_hw_ctx *blk_mq_map_queue_type(struct request_queue * unsigned int hctx_type, unsigned int cpu) { - return blk_mq_map_queue(q, cpu); + return blk_mq_map_queue(q, hctx_type, cpu); } /* @@ -135,6 +136,7 @@ struct blk_mq_alloc_data { struct request_queue *q; blk_mq_req_flags_t flags; unsigned int shallow_depth; + unsigned int cmd_flags; /* input & output parameter */ struct blk_mq_ctx *ctx; @@ -209,7 +211,7 @@ static inline void blk_mq_put_driver_tag(struct request *rq) if (rq->tag == -1 || rq->internal_tag == -1) return; - hctx = blk_mq_map_queue(rq->q, rq->mq_ctx->cpu); + hctx = blk_mq_map_queue(rq->q, rq->cmd_flags, rq->mq_ctx->cpu); __blk_mq_put_driver_tag(hctx, rq); } |