tree 73c80a2bfed2bc37cedc4d38d9534e231c61dbd8
parent 8ddcd653257c18a669fcb75ee42c37054908e0d6
author Christoph Hellwig <hch@lst.de> 1509647394 +0300
committer Jens Axboe <axboe@kernel.dk> 1509726708 -0600

block: add a poll_fn callback to struct request_queue

That we we can also poll non blk-mq queues.  Mostly needed for
the NVMe multipath code, but could also be useful elsewhere.

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