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| author |   Josef Bacik <josef@toxicpanda.com> | 2018-07-31 12:39:04 -0400 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2018-08-01 09:16:04 -0600 |
| commit | 2c323017e381c55c5ce2a603b8305bb18c1162cc (patch) | |
| tree | dec6e7ee5c6b022966a69e4422d4e33a3adfbcba /block | |
| parent | blk-cgroup: hold the queue ref during throttling (diff) | |
| download | linux-dev-2c323017e381c55c5ce2a603b8305bb18c1162cc.tar.xz linux-dev-2c323017e381c55c5ce2a603b8305bb18c1162cc.zip | |
blk-cgroup: clear the throttle queue on fork
We were hitting a panic in production where we put too many times on the
request queue. This is because we'd get the throttle_queue of the
parent if we fork()'ed while we needed to be throttled, but we didn't
have a reference on it. Instead just clear these flags on fork so the
child doesn't pay for the sins of its father.
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
0 files changed, 0 insertions, 0 deletions