| commit | 5feeacdd4a75bc6e5c6c613ae09ef07bc5dfd05a | [log] [tgz] |
|---|---|---|
| author | Jens Axboe <axboe@fb.com> | Thu Apr 20 17:23:13 2017 -0600 |
| committer | Jens Axboe <axboe@fb.com> | Thu Apr 20 17:23:13 2017 -0600 |
| tree | a0ee5921bc165f4680fc0afa35250217298fec48 | |
| parent | 0206319fdfee7c36b97aa6c0561bab206132f813 [diff] |
blk-mq: add might_sleep check to blk_mq_get_driver_tag() If the caller passes in wait=true, it has to be able to block for a driver tag. We just had a bug where flush insertion would block on tag allocation, while we had preempt disabled. Ensure that we catch cases like that earlier next time. Reviewed-by: Bart Van Assche <Bart.VanAssche@sandisk.com> Signed-off-by: Jens Axboe <axboe@fb.com>