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| author | Ming Lei <ming.lei@redhat.com> | 2020-06-30 18:25:00 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-06-30 07:51:48 -0600 |
| commit | 1fd40b5ea72cf830cfb932bbf791533931c615e9 (patch) | |
| tree | 2761c53ceccc77cce9905edb698204dac746fa4f /block/blk-mq.h | |
| parent | bbdb3c5d94d079ab4c6eaf9ac0d4f6813f1c0327 (diff) | |
| download | linux-stable-1fd40b5ea72cf830cfb932bbf791533931c615e9.tar.gz linux-stable-1fd40b5ea72cf830cfb932bbf791533931c615e9.tar.bz2 linux-stable-1fd40b5ea72cf830cfb932bbf791533931c615e9.zip | |
blk-mq: pass obtained budget count to blk_mq_dispatch_rq_list
Pass obtained budget count to blk_mq_dispatch_rq_list(), and prepare
for supporting fully batching submission.
With the obtained budget count, it is easier to put extra budgets
in case of .queue_rq failure.
Meantime remove the old 'got_budget' parameter.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Tested-by: Baolin Wang <baolin.wang7@gmail.com>
Reviewed-by: Christoph Hellwig <hch@infradead.org>
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.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/block/blk-mq.h b/block/blk-mq.h index 3fd1ed78e5e1..863a2f3346d4 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -40,7 +40,8 @@ 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 blk_mq_hw_ctx *hctx, struct list_head *, bool); +bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx *hctx, struct list_head *, + unsigned int); 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); |