Re: [PATCH BUGFIX 1/1] block, bfq: add requeue-request hook

From: Paolo Valente
Date: Wed Feb 07 2018 - 04:45:24 EST




> Il giorno 07 feb 2018, alle ore 10:23, Mike Galbraith <efault@xxxxxx> ha scritto:
>
> On Wed, 2018-02-07 at 10:08 +0100, Paolo Valente wrote:
>>
>> The first piece of information I need is whether this failure happens
>> even without "BFQ hierarchical scheduling support".
>
> I presume you mean BFQ_GROUP_IOSCHED, which I do not have enabled.
>

Great (so to speak), this saves us one step.

So, here's my next request for help: please apply the attached patch (compressed to preserve it from my email client) and retry. It adds several anomaly checks. I hope I have not added any false-positive check.

Thanks,
Paolo

Attachment: 0001-block-bfq-instrument-requeue-and-finish-request.patch.zip
Description: Zip archive



> -Mike