diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-mq-sched.c | 8 | ||||
| -rw-r--r-- | block/blk-mq-sched.h | 2 | ||||
| -rw-r--r-- | block/blk-mq.c | 25 |
3 files changed, 16 insertions, 19 deletions
diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c index 641df3f00632..66fda19be5a3 100644 --- a/block/blk-mq-sched.c +++ b/block/blk-mq-sched.c @@ -395,17 +395,11 @@ run: blk_mq_run_hw_queue(hctx, async); } -void blk_mq_sched_insert_requests(struct request_queue *q, +void blk_mq_sched_insert_requests(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx, struct list_head *list, bool run_queue_async) { - struct blk_mq_hw_ctx *hctx; struct elevator_queue *e; - struct request *rq; - - /* For list inserts, requests better be on the same hw queue */ - rq = list_first_entry(list, struct request, queuelist); - hctx = rq->mq_hctx; e = hctx->queue->elevator; if (e && e->type->ops.insert_requests) diff --git a/block/blk-mq-sched.h b/block/blk-mq-sched.h index 947f236b273d..7ff5671bf128 100644 --- a/block/blk-mq-sched.h +++ b/block/blk-mq-sched.h @@ -19,7 +19,7 @@ void blk_mq_sched_restart(struct blk_mq_hw_ctx *hctx); void blk_mq_sched_insert_request(struct request *rq, bool at_head, bool run_queue, bool async); -void blk_mq_sched_insert_requests(struct request_queue *q, +void blk_mq_sched_insert_requests(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx, struct list_head *list, bool run_queue_async); diff --git a/block/blk-mq.c b/block/blk-mq.c index 6b2859d3ad23..271726d48003 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1624,11 +1624,12 @@ static int plug_ctx_cmp(void *priv, struct list_head *a, struct list_head *b) void blk_mq_flush_plug_list(struct blk_plug *plug, bool from_schedule) { + struct blk_mq_hw_ctx *this_hctx; struct blk_mq_ctx *this_ctx; struct request_queue *this_q; struct request *rq; LIST_HEAD(list); - LIST_HEAD(ctx_list); + LIST_HEAD(rq_list); unsigned int depth; list_splice_init(&plug->mq_list, &list); @@ -1636,6 +1637,7 @@ void blk_mq_flush_plug_list(struct blk_plug *plug, bool from_schedule) list_sort(NULL, &list, plug_ctx_cmp); this_q = NULL; + this_hctx = NULL; this_ctx = NULL; depth = 0; @@ -1643,30 +1645,31 @@ void blk_mq_flush_plug_list(struct blk_plug *plug, bool from_schedule) rq = list_entry_rq(list.next); list_del_init(&rq->queuelist); BUG_ON(!rq->q); - if (rq->mq_ctx != this_ctx) { - if (this_ctx) { + if (rq->mq_hctx != this_hctx || rq->mq_ctx != this_ctx) { + if (this_hctx) { trace_block_unplug(this_q, depth, !from_schedule); - blk_mq_sched_insert_requests(this_q, this_ctx, - &ctx_list, + blk_mq_sched_insert_requests(this_hctx, this_ctx, + &rq_list, from_schedule); } - this_ctx = rq->mq_ctx; this_q = rq->q; + this_ctx = rq->mq_ctx; + this_hctx = rq->mq_hctx; depth = 0; } depth++; - list_add_tail(&rq->queuelist, &ctx_list); + list_add_tail(&rq->queuelist, &rq_list); } /* - * If 'this_ctx' is set, we know we have entries to complete - * on 'ctx_list'. Do those. + * If 'this_hctx' is set, we know we have entries to complete + * on 'rq_list'. Do those. */ - if (this_ctx) { + if (this_hctx) { trace_block_unplug(this_q, depth, !from_schedule); - blk_mq_sched_insert_requests(this_q, this_ctx, &ctx_list, + blk_mq_sched_insert_requests(this_hctx, this_ctx, &rq_list, from_schedule); } } |