commit | e2490073cd7c3d6f6ef6e029a208edd4d38efac4 | [log] [tgz] |
---|---|---|
author | Christoph Hellwig <hch@lst.de> | Sat Sep 13 16:40:09 2014 -0700 |
committer | Jens Axboe <axboe@fb.com> | Mon Sep 22 12:00:07 2014 -0600 |
tree | 48465e67b335f6d696d698641365b4a4d1e89d32 | |
parent | bf57229745f849e500ba69ff91e35bc8160a7373 [diff] |
blk-mq: call blk_mq_start_request from ->queue_rq When we call blk_mq_start_request from the core blk-mq code before calling into ->queue_rq there is a racy window where the timeout handler can hit before we've fully set up the driver specific part of the command. Move the call to blk_mq_start_request into the driver so the driver can start the request only once it is fully set up. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>