Messages in this thread | | | Subject | Re: [PATCH BUGFIX IMPROVEMENT 0/7] boost throughput with synced I/O, reduce latency and fix a bandwidth bug | From | "Srivatsa S. Bhat" <> | Date | Mon, 24 Jun 2019 13:15:31 -0700 |
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On 6/24/19 12:40 PM, Paolo Valente wrote: > Hi Jens, > this series, based against for-5.3/block, contains: > 1) The improvements to recover the throughput loss reported by > Srivatsa [1] (first five patches) > 2) A preemption improvement to reduce I/O latency > 3) A fix of a subtle bug causing loss of control over I/O bandwidths >
Thanks a lot for these patches, Paolo!
Would you mind adding:
Reported-by: Srivatsa S. Bhat (VMware) <srivatsa@csail.mit.edu> Tested-by: Srivatsa S. Bhat (VMware) <srivatsa@csail.mit.edu>
to the first 5 patches, as appropriate?
Thank you!
> > [1] https://lkml.org/lkml/2019/5/17/755 > > Paolo Valente (7): > block, bfq: reset inject limit when think-time state changes > block, bfq: fix rq_in_driver check in bfq_update_inject_limit > block, bfq: update base request service times when possible > block, bfq: bring forward seek&think time update > block, bfq: detect wakers and unconditionally inject their I/O > block, bfq: preempt lower-weight or lower-priority queues > block, bfq: re-schedule empty queues if they deserve I/O plugging > > block/bfq-iosched.c | 952 ++++++++++++++++++++++++++++++-------------- > block/bfq-iosched.h | 25 +- > 2 files changed, 686 insertions(+), 291 deletions(-) >
Regards, Srivatsa VMware Photon OS
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