[PATCH 1/5] block: don't call blk_mq_delay_run_hw_queue() in case of BLK_STS_RESOURCE

Bart Van Assche Bart.VanAssche at wdc.com
Tue Sep 19 08:52:37 PDT 2017


On Tue, 2017-09-19 at 11:48 -0400, Mike Snitzer wrote:
> This thread proves that it is definitely brittle to be relying on fixed
> delays like this:
> https://patchwork.kernel.org/patch/9703249/

Hello Mike,

Sorry but I think that's a misinterpretation of my patch. I came up with that
patch before I had found and fixed the root cause of the high system load.
These fixes are upstream (kernel v4.13) which means that that patch is now
obsolete.

Bart.


More information about the Linux-nvme mailing list