blk-mq: ensure mq_ops ->poll() is entered at least once

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Right now we immediately bail if need_resched() is true, but
we need to do at least one loop in case we have entries waiting.
So just invert the need_resched() check, putting it at the
bottom of the loop.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Jens Axboe 2018-11-13 21:32:10 -07:00

parent 0a1b8b87d0

commit aa61bec30e

1 changed files with 2 additions and 2 deletions

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block/blk-mq.c

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