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authorMing Lei <ming.lei@redhat.com>2020-06-30 12:24:57 +0200
committerJens Axboe <axboe@kernel.dk>2020-06-30 15:51:48 +0200
commit445874e89f662c8c6a56e6bb820cbe9fbef61428 (patch)
tree9bd7fd755f9b0dcc528ac5887689e56aadfb3ad2 /block/blk-mq.h
parentblk-mq: pass request queue into get/put budget callback (diff)
downloadlinux-445874e89f662c8c6a56e6bb820cbe9fbef61428.tar.xz
linux-445874e89f662c8c6a56e6bb820cbe9fbef61428.zip
blk-mq: pass hctx to blk_mq_dispatch_rq_list
All requests in the 'list' of blk_mq_dispatch_rq_list belong to same hctx, so it is better to pass hctx instead of request queue, because blk-mq's dispatch target is hctx instead of request queue. Signed-off-by: Ming Lei <ming.lei@redhat.com> Tested-by: Baolin Wang <baolin.wang7@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Cc: Sagi Grimberg <sagi@grimberg.me> Cc: Baolin Wang <baolin.wang7@gmail.com> Cc: Christoph Hellwig <hch@infradead.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq.h')
-rw-r--r--block/blk-mq.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk-mq.h b/block/blk-mq.h
index e4af193d39ac..3fd1ed78e5e1 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -40,7 +40,7 @@ struct blk_mq_ctx {
void blk_mq_exit_queue(struct request_queue *q);
int blk_mq_update_nr_requests(struct request_queue *q, unsigned int nr);
void blk_mq_wake_waiters(struct request_queue *q);
-bool blk_mq_dispatch_rq_list(struct request_queue *, struct list_head *, bool);
+bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx *hctx, struct list_head *, bool);
void blk_mq_add_to_requeue_list(struct request *rq, bool at_head,
bool kick_requeue_list);
void blk_mq_flush_busy_ctxs(struct blk_mq_hw_ctx *hctx, struct list_head *list);