diff options
| author | Shaohua Li <shli@fb.com> | 2017-05-17 22:07:26 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-05-22 22:47:12 +0200 |
| commit | 9bb67aeb96784527dbc784c7a1b234461299363c (patch) | |
| tree | e2146e228a7a161b463429ff1f4723c985db19ce /block/bfq-iosched.c | |
| parent | blk-throttle: output some debug info in trace (diff) | |
| download | linux-9bb67aeb96784527dbc784c7a1b234461299363c.tar.xz linux-9bb67aeb96784527dbc784c7a1b234461299363c.zip | |
blk-throttle: respect 0 bps/iops settings for io.low
If a cgroup with low limit 0 for both bps/iops, the cgroup's low limit
is ignored and we throttle the cgroup with its max limit. In this way,
other cgroups with a low limit will not get protected. To fix this, we
don't do the exception any more. cgroup will be throttled to a limit 0
if it uese default setting. To avoid completed stall, we give such
cgroup tiny IO resources.
Signed-off-by: Shaohua Li <shli@fb.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/bfq-iosched.c')
0 files changed, 0 insertions, 0 deletions