On Thu, Mar 07, 2019 at 05:10:53PM -0500, Josef Bacik wrote:
> On Thu, Mar 07, 2019 at 07:08:32PM +0100, Andrea Righi wrote:
> > Prevent priority inversion problem when a high-priority blkcg issues a
> > sync() and it is forced to wait the completion of all the writeback I/O
> > generated by any ot
On Thu, Mar 07, 2019 at 07:08:32PM +0100, Andrea Righi wrote:
> Prevent priority inversion problem when a high-priority blkcg issues a
> sync() and it is forced to wait the completion of all the writeback I/O
> generated by any other low-priority blkcg, causing massive latencies to
> processes that
Prevent priority inversion problem when a high-priority blkcg issues a
sync() and it is forced to wait the completion of all the writeback I/O
generated by any other low-priority blkcg, causing massive latencies to
processes that shouldn't be I/O-throttled at all.
The idea is to save a list of blk
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