| commit | ae8799125d565c798e49dcab4bf182dbfc483524 | [log] [tgz] |
|---|---|---|
| author | Jens Axboe <axboe@kernel.dk> | Thu Nov 08 09:03:51 2018 -0700 |
| committer | Jens Axboe <axboe@kernel.dk> | Thu Nov 08 10:24:23 2018 -0700 |
| tree | 9cf36f53aad46a716d8b7476da384823d82e9e38 | |
| parent | 7baa85727d0406ffd2b2303cd803a145aa35c505 [diff] |
blk-mq: provide a helper to check if a queue is busy Returns true if the queue currently has requests pending, false if not. DM can use this to replace the atomic_inc/dec they do per device to see if a device is busy. Reviewed-by: Mike Snitzer <snitzer@redhat.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>