blk-mq: pass obtained budget count to blk_mq_dispatch_rq_list

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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>

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This commit is contained in:

Ming Lei 2020-06-30 18:25:00 +08:00 • committed by Jens Axboe

parent bbdb3c5d94

commit 1fd40b5ea7

3 changed files with 33 additions and 9 deletions

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8

block/blk-mq-sched.c

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31

block/blk-mq.c

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3

block/blk-mq.h

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