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Message-ID: <20221130041450.GA17533@test-zns>
Date:   Wed, 30 Nov 2022 09:44:50 +0530
From:   Nitesh Shetty <nj.shetty@...sung.com>
To:     Chaitanya Kulkarni <chaitanyak@...dia.com>
Cc:     "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "agk@...hat.com" <agk@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-nvme@...ts.infradead.org" <linux-nvme@...ts.infradead.org>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        "axboe@...nel.dk" <axboe@...nel.dk>,
        "viro@...iv.linux.org.uk" <viro@...iv.linux.org.uk>,
        "sagi@...mberg.me" <sagi@...mberg.me>,
        "anuj20.g@...sung.com" <anuj20.g@...sung.com>,
        "joshi.k@...sung.com" <joshi.k@...sung.com>,
        "p.raghav@...sung.com" <p.raghav@...sung.com>,
        "naohiro.aota@....com" <naohiro.aota@....com>,
        "damien.lemoal@...nsource.wdc.com" <damien.lemoal@...nsource.wdc.com>,
        "snitzer@...nel.org" <snitzer@...nel.org>,
        "kbusch@...nel.org" <kbusch@...nel.org>,
        "jth@...nel.org" <jth@...nel.org>,
        "nitheshshetty@...il.com" <nitheshshetty@...il.com>,
        "james.smart@...adcom.com" <james.smart@...adcom.com>,
        "gost.dev@...sung.com" <gost.dev@...sung.com>,
        "dm-devel@...hat.com" <dm-devel@...hat.com>,
        "hch@....de" <hch@....de>,
        "shinichiro.kawasaki@....com" <shinichiro.kawasaki@....com>
Subject: Re: [PATCH v5 00/10] Implement copy offload support

On Wed, Nov 30, 2022 at 12:05:00AM +0000, Chaitanya Kulkarni wrote:
> On 11/29/22 04:16, Nitesh Shetty wrote:
> > On Wed, Nov 23, 2022 at 10:56:23PM +0000, Chaitanya Kulkarni wrote:
> >> (+ Shinichiro)
> >>
> >> On 11/22/22 21:58, Nitesh Shetty wrote:
> >>> The patch series covers the points discussed in November 2021 virtual
> >>> call [LSF/MM/BFP TOPIC] Storage: Copy Offload [0].
> >>> We have covered the initial agreed requirements in this patchset and
> >>> further additional features suggested by community.
> >>> Patchset borrows Mikulas's token based approach for 2 bdev
> >>> implementation.
> >>>
> >>> This is on top of our previous patchset v4[1].
> >>
> >> Now that series is converging, since patch-series touches
> >> drivers and key components in the block layer you need accompany
> >> the patch-series with the blktests to cover the corner cases in the
> >> drivers which supports this operations, as I mentioned this in the
> >> call last year....
> >>
> >> If you need any help with that feel free to send an email to linux-block
> >> and CC me or Shinichiro (added in CC )...
> >>
> >> -ck
> >>
> > 
> > Yes any help would be appreciated. I am not familiar with blktest
> > development/testing cycle. Do we need add blktests along with patch
> > series or do we need to add after patch series gets merged(to be merged)?
> > 
> > Thanks
> > Nitesh
> > 
> > 
> 
> we have many testcases you can refer to as an example.
> Your cover-letter mentions that you have tested this code, just move
> all the testcases to the blktests.
> 
> More importantly for a feature like this you should be providing
> outstanding testcases in your github tree when you post the
> series, it should cover critical parts of the block layer and
> drivers in question.
> 
> The objective here is to have blktests updated when the code
> is upstream so all the distros can test the code from
> upstream blktest repo. You can refer to what we have done it
> for NVMeOF in-band authentication (Thanks to Hannes and Sagi
> in linux-nvme email-archives.
> 
> -ck
>

Sure, next version will update blktest.

Thank you,
Nitesh


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