| commit | 0df21c86bdbfd17dec9ab898312af9bfb74d5d86 | [log] [tgz] |
|---|---|---|
| author | Ming Lei <ming.lei@redhat.com> | Sat Oct 14 17:22:32 2017 +0800 |
| committer | Jens Axboe <axboe@kernel.dk> | Wed Nov 01 08:20:02 2017 -0600 |
| tree | a035d2c2b35dc838006ef6b85201ae2bc86b2d10 | |
| parent | aeec77629a4ac6f8c248f3a82e80d4170a881f22 [diff] |
scsi: implement .get_budget and .put_budget for blk-mq We need to tell blk-mq to reserve resources before queuing one request, so implement these two callbacks. Then blk-mq can avoid to dequeue request too early, and IO merging can be improved a lot. Signed-off-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>