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authorChristoph Hellwig <hch@lst.de>2023-04-13 09:40:42 +0300
committerJens Axboe <axboe@kernel.dk>2023-04-13 15:52:29 +0300
commit05a93117703e7b2e40fa9193e622079b30395bcc (patch)
tree1ea3f70079f5f66507a3ec32704da381314d34ce /block/blk-mq.c
parent94aa228c2a2f6edc8e9b7c4745942ea4c5978977 (diff)
downloadlinux-05a93117703e7b2e40fa9193e622079b30395bcc.tar.xz
blk-mq: fold blk_mq_sched_insert_requests into blk_mq_dispatch_plug_list
blk_mq_dispatch_plug_list is the only caller of blk_mq_sched_insert_requests, and it makes sense to just fold it there as blk_mq_sched_insert_requests isn't specific to I/O schedulers despite the name. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> Link: https://lore.kernel.org/r/20230413064057.707578-6-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq.c')
-rw-r--r--block/blk-mq.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 536f001282bb..f1da4f053cc6 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2497,9 +2497,9 @@ void blk_mq_request_bypass_insert(struct request *rq, bool at_head,
blk_mq_run_hw_queue(hctx, false);
}
-void blk_mq_insert_requests(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx,
- struct list_head *list, bool run_queue_async)
-
+static void blk_mq_insert_requests(struct blk_mq_hw_ctx *hctx,
+ struct blk_mq_ctx *ctx, struct list_head *list,
+ bool run_queue_async)
{
struct request *rq;
enum hctx_type type = hctx->type;
@@ -2725,7 +2725,16 @@ static void blk_mq_dispatch_plug_list(struct blk_plug *plug, bool from_sched)
plug->mq_list = requeue_list;
trace_block_unplug(this_hctx->queue, depth, !from_sched);
- blk_mq_sched_insert_requests(this_hctx, this_ctx, &list, from_sched);
+
+ percpu_ref_get(&this_hctx->queue->q_usage_counter);
+ if (this_hctx->queue->elevator) {
+ this_hctx->queue->elevator->type->ops.insert_requests(this_hctx,
+ &list, false);
+ blk_mq_run_hw_queue(this_hctx, from_sched);
+ } else {
+ blk_mq_insert_requests(this_hctx, this_ctx, &list, from_sched);
+ }
+ percpu_ref_put(&this_hctx->queue->q_usage_counter);
}
void blk_mq_flush_plug_list(struct blk_plug *plug, bool from_schedule)