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| author |   Ming Lei <tom.leiming@gmail.com> | 2017-03-27 20:06:55 +0800 |
|---|---|---|
| committer |   Jens Axboe <axboe@fb.com> | 2017-03-29 08:03:42 -0600 |
| commit | d9d149a39690184f63d74e3425c1e90b1d7e67d6 (patch) | |
| tree | 11aa011fd37301c78c492322a2fbc5d1afbd75b0 /block/blk-core.c | |
| parent | blk-mq: don't complete un-started request in timeout handler (diff) | |
| download | linux-rng-d9d149a39690184f63d74e3425c1e90b1d7e67d6.tar.xz linux-rng-d9d149a39690184f63d74e3425c1e90b1d7e67d6.zip | |
blk-mq: comment on races related with timeout handler
This patch adds comment on two races related with
timeout handler:
- requeue from queue busy vs. timeout
- rq free & reallocation vs. timeout
Both the races themselves and current solution aren't
explicit enough, so add comments on them.
Cc: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions