diff options
| author | Jens Axboe <[email protected]> | 2017-01-26 12:50:36 -0700 |
|---|---|---|
| committer | Jens Axboe <[email protected]> | 2017-01-27 08:20:31 -0700 |
| commit | 3c782d67c16889d753a79a8da5422c583d7cfd51 (patch) | |
| tree | a34fce71ed855738dd53b3e66594446a23df7319 /scripts/gdb/linux/tasks.py | |
| parent | 0abad774124351ba211b9053786ebd5a5a722d53 (diff) | |
blk-mq: fix potential race in queue restart and driver tag allocation
Once we mark the queue as needing a restart, re-check if we can
get a driver tag. This fixes a theoretical issue where the needed
IO completes _after_ blk_mq_get_driver_tag() fails, but before we
manage to set the restart bit.
Signed-off-by: Jens Axboe <[email protected]>
Reviewed-by: Omar Sandoval <[email protected]>
Tested-by: Hannes Reinecke <[email protected]>
Diffstat (limited to 'scripts/gdb/linux/tasks.py')
0 files changed, 0 insertions, 0 deletions