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| author | Chunguang Xu <brookxu@tencent.com> | 2021-04-13 04:39:05 +0300 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2021-04-16 23:49:37 +0300 |
| commit | ffeee417d97f9171bce9f43c22c9f477e4c84f54 (patch) | |
| tree | a8f31eabe83346ec7a0d3f6df999dc1fed350d7c | |
| parent | d95af61df072a7d70b311a11c0c24cf7d8ccebd9 (diff) | |
| download | linux-ffeee417d97f9171bce9f43c22c9f477e4c84f54.tar.xz | |
cgroup: use tsk->in_iowait instead of delayacct_is_task_waiting_on_io()
If delayacct is disabled, then delayacct_is_task_waiting_on_io()
always returns false, which causes the statistical value to be
wrong. Perhaps tsk->in_iowait is better.
Signed-off-by: Chunguang Xu <brookxu@tencent.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | kernel/cgroup/cgroup-v1.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c index a5751784ad74..391aa570369b 100644 --- a/kernel/cgroup/cgroup-v1.c +++ b/kernel/cgroup/cgroup-v1.c @@ -727,7 +727,7 @@ int cgroupstats_build(struct cgroupstats *stats, struct dentry *dentry) stats->nr_stopped++; break; default: - if (delayacct_is_task_waiting_on_io(tsk)) + if (tsk->in_iowait) stats->nr_io_wait++; break; } |