Chunguang Xu ffeee417d9 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>

2021-04-16 16:49:37 -04:00

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