| commit | e167dfb53cb85fde7b15f644e9dbef7ba31896b6 | [log] [tgz] |
|---|---|---|
| author | Jens Axboe <axboe@fb.com> | Wed Oct 29 11:18:26 2014 -0600 |
| committer | Jens Axboe <axboe@fb.com> | Wed Oct 29 11:18:26 2014 -0600 |
| tree | baf22faa1d3de6c2a70faeacc0599f01f5469a2d | |
| parent | 74c450521dd8d245b982da62592a18aa6f88b045 [diff] |
blk-mq: add BLK_MQ_F_DEFER_ISSUE support flag Drivers can now tell blk-mq if they take advantage of the deferred issue through 'last' or not. If they do, don't do queue-direct for sync IO. This is a preparation patch for the nvme conversion. Signed-off-by: Jens Axboe <axboe@fb.com>