diff options
author | Ming Lei <ming.lei@redhat.com> | 2017-11-04 21:39:57 +0300 |
---|---|---|
committer | Jens Axboe <axboe@kernel.dk> | 2017-11-04 21:39:57 +0300 |
commit | 244c65a3ccaa06fd15cc940315606674d3108b2f (patch) | |
tree | 916726520be4ddc2b878837ba486ad25d9c8b7f5 /block/blk-mq.c | |
parent | a6a252e6491443c1c18eab7e254daee63d4a7a04 (diff) |
blk-mq: move blk_mq_put_driver_tag*() into blk-mq.h
We need this helper to put the driver tag for flush rq, since we will
not share tag in the flush request sequence in the following patch
in case that I/O scheduler is applied.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq.c')
-rw-r--r-- | block/blk-mq.c | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index 021562bd5d2c..14f6886fbec8 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -996,38 +996,6 @@ done: return rq->tag != -1; } -static void __blk_mq_put_driver_tag(struct blk_mq_hw_ctx *hctx, - struct request *rq) -{ - blk_mq_put_tag(hctx, hctx->tags, rq->mq_ctx, rq->tag); - rq->tag = -1; - - if (rq->rq_flags & RQF_MQ_INFLIGHT) { - rq->rq_flags &= ~RQF_MQ_INFLIGHT; - atomic_dec(&hctx->nr_active); - } -} - -static void blk_mq_put_driver_tag_hctx(struct blk_mq_hw_ctx *hctx, - struct request *rq) -{ - if (rq->tag == -1 || rq->internal_tag == -1) - return; - - __blk_mq_put_driver_tag(hctx, rq); -} - -static void blk_mq_put_driver_tag(struct request *rq) -{ - struct blk_mq_hw_ctx *hctx; - - if (rq->tag == -1 || rq->internal_tag == -1) - return; - - hctx = blk_mq_map_queue(rq->q, rq->mq_ctx->cpu); - __blk_mq_put_driver_tag(hctx, rq); -} - /* * If we fail getting a driver tag because all the driver tags are already * assigned and on the dispatch list, BUT the first entry does not have a |