On 02/10/17 11:32, Ulf Hansson wrote:
> On 22 September 2017 at 14:37, Adrian Hunter wrote:
>> Add CQE support to the block driver, including:
>> - optionally using DCMD for flush requests
>> - "manually" issuing discard requests
>> - issuing read / write requests to the CQE
>> - s
On Thursday, October 05, 2017 02:00:48 PM Bartlomiej Zolnierkiewicz wrote:
> > > > I am trying to wrap my head around this large patch. The size makes it
> > > > hard but I am doing my best.
> > >
> > > I also think that this patch should be split on two patches. The 1st one
> > > introducing blk
gt; > ; Harjani Ritesh ;
> > Venu Byravarasu ; Shawn Lin > chips.com>; Christoph Hellwig
> > Subject: Re: [PATCH V9 13/15] mmc: block: Add CQE and blk-mq support
> >
> >
> > Hi,
> >
> > On Wednesday, October 04, 2017 09:39:45 AM Linus Walleij
On 5 October 2017 at 12:55, Bartlomiej Zolnierkiewicz
wrote:
> On Wednesday, October 04, 2017 11:48:27 AM Ulf Hansson wrote:
>> [...]
>>
>> >> MQ code that doesn't perform and therefore we cannot switch seamlessly
>> >> to MQ.
>> >
>> > I think that switching seamlessly to blk-mq in short/medium-t
On Wednesday, October 04, 2017 11:48:27 AM Ulf Hansson wrote:
> [...]
>
> >> MQ code that doesn't perform and therefore we cannot switch seamlessly
> >> to MQ.
> >
> > I think that switching seamlessly to blk-mq in short/medium-term
> > is not possible (SCSI tried and failed to do so). The changes
gh Chen ; Alex
> Lemberg ; Nowak, Mateusz
> ; Yuliy Izrailov ;
> Jaehoon Chung ; Dong Aisheng
> ; Das Asutosh ;
> Zhangfei Gao ; Sahitya Tummala
> ; Harjani Ritesh ;
> Venu Byravarasu ; Shawn Lin chips.com>; Christoph Hellwig
> Subject: Re: [PATCH V9 13/15] mmc: bl
On 04/10/17 10:39, Linus Walleij wrote:
> On Fri, Sep 22, 2017 at 2:37 PM, Adrian Hunter
> wrote:
>
>> Add CQE support to the block driver, including:
>> - optionally using DCMD for flush requests
>> - "manually" issuing discard requests
>> - issuing read / write requests to the CQE
[...]
>> MQ code that doesn't perform and therefore we cannot switch seamlessly
>> to MQ.
>
> I think that switching seamlessly to blk-mq in short/medium-term
> is not possible (SCSI tried and failed to do so). The changes to
> the old path are very complex and besides affecting performance
> they
Hi,
On Wednesday, October 04, 2017 09:39:45 AM Linus Walleij wrote:
> On Fri, Sep 22, 2017 at 2:37 PM, Adrian Hunter
> wrote:
>
> > Add CQE support to the block driver, including:
> > - optionally using DCMD for flush requests
> > - "manually" issuing discard requests
> > - issuing
On Fri, Sep 22, 2017 at 2:37 PM, Adrian Hunter wrote:
> Add CQE support to the block driver, including:
> - optionally using DCMD for flush requests
> - "manually" issuing discard requests
> - issuing read / write requests to the CQE
> - supporting block-layer timeouts
> - han
On 22 September 2017 at 14:37, Adrian Hunter wrote:
> Add CQE support to the block driver, including:
> - optionally using DCMD for flush requests
> - "manually" issuing discard requests
> - issuing read / write requests to the CQE
> - supporting block-layer timeouts
> - handli
Add CQE support to the block driver, including:
- optionally using DCMD for flush requests
- "manually" issuing discard requests
- issuing read / write requests to the CQE
- supporting block-layer timeouts
- handling recovery
- supporting re-tuning
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