| commit | 080ff3511450fd73948697fef34a3cc382675b59 | [log] [tgz] |
|---|---|---|
| author | Jens Axboe <axboe@fb.com> | Mon Dec 08 08:49:06 2014 -0700 |
| committer | Jens Axboe <axboe@fb.com> | Mon Dec 08 08:49:06 2014 -0700 |
| tree | 8ce40121a12ef2d48c0c094f3b3751069490a29b | |
| parent | b32232073e8061b41258bff2a10a06a91677480a [diff] |
blk-mq: re-check for available tags after running the hardware queue If we run out of tags and have to sleep, we run the hardware queue to kick pending IO into gear. During that run, we may have completed requests, so re-check if we have free tags before going to sleep. Signed-off-by: Jens Axboe <axboe@fb.com>