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| author | Jens Axboe <axboe@fb.com> | 2017-04-21 01:23:13 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-04-21 01:23:13 +0200 |
| commit | 5feeacdd4a75bc6e5c6c613ae09ef07bc5dfd05a (patch) | |
| tree | a0ee5921bc165f4680fc0afa35250217298fec48 /block/blk-mq-sched.h | |
| parent | blk-mq: Fix poll_stat for new size-based bucketing. (diff) | |
| download | linux-5feeacdd4a75bc6e5c6c613ae09ef07bc5dfd05a.tar.xz linux-5feeacdd4a75bc6e5c6c613ae09ef07bc5dfd05a.zip | |
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>
Diffstat (limited to 'block/blk-mq-sched.h')
0 files changed, 0 insertions, 0 deletions