On 11/14/2016 02:22 PM, Shaohua Li wrote:
The background is we don't have an ioscheduler for blk-mq yet, so we can't
prioritize processes/cgroups. This patch set tries to add basic arbitration
between cgroups with blk-throttle. It adds a new limit io.high for
blk-throttle. It's only for cgroup2.
Hello Shaohua,
My understanding of this work is that a significant part of it will have
to be reverted once blk-mq supports I/O scheduling, e.g. the code for
detecting whether the I/O submitter is idle. Shouldn't this kind of
infrastructure be added after support has been added in blk-mq for I/O
scheduling?
Thanks,
Bart.
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