Hi,
I'd like to participate in LSF/MM and would like to present/discuss
ideas for introducing I/O scheduling support to blk-mq.
Motiviation for this is to be able use scsi-mq even on systems that
have slow (spinning) devices attached to the SCSI stack.
I think the presentation/discussion should consist of the following
(1) short overview how blk-mq currently performs with spinning devices
(in comparison to CFQ)
(2) information about my attempt to introduce per sw queue time-slice
to blk-mq to mitigate the performance degradation with spinning
devices (in comparison to CFQ)
(3) hopefully I can share information about working code for another
approach to introduce I/O scheduling for blk-mq (which I am
currently looking into)
(4) other ideas (e.g. toggle blk-mq per host and/or why we won't look
into it)
Thanks,
Andreas
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