linux-kernel - Re: [PATCH blktests v2 00/12] Switch to allowed

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Date:   Fri, 11 Aug 2023 09:00:47 +0200
From:   Daniel Wagner <dwagner@...e.de>
To:     Shinichiro Kawasaki <shinichiro.kawasaki@....com>
Cc:     "linux-nvme@...ts.infradead.org" <linux-nvme@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        Chaitanya Kulkarni <kch@...dia.com>,
        Max Gurtovoy <mgurtovoy@...dia.com>,
        Hannes Reinecke <hare@...e.de>,
        Sagi Grimberg <sagi@...mberg.me>,
        James Smart <jsmart2021@...il.com>,
        Bart Van Assche <bvanassche@....org>
Subject: Re: [PATCH blktests v2 00/12] Switch to allowed_host

On Fri, Aug 11, 2023 at 06:16:45AM +0000, Shinichiro Kawasaki wrote:
> > So we could return the nvmedev from _nvme_connect_subsys() but I don't know if
> > this a good idea.
> 
> IMO, it is a good idea to make _nvme_connect_subsys() return the device. The
> similar function _nvmet_passthru_target_connect() does that, so it is another
> small goodness to have consistency between the two.

Sure, I'll look into this when I remove the udev trigger filter code
again which resulted in this series. But let's get this series sorted
out first.

> > FWIW, it would also fix the current problem we face with
> > nvme/047 which seems to lack the second _find_nvme_dev() call.
> 
> I posted the fix patch for the nvme/047 problem reflecting your comments. I hope
> that fix settled before further refactoring.

Yep, let's get the bug fix in first.

> It is a fun to see the much of the boiler plates go away with the
> series :)

Ineed, makes the test way smaller.

BTW, what do you think about removing nvme/006 and nvme/007? They are
basically doing nothing anymore except setting up a target with either
device or file backing. We exercise this code now in all the other
tests. So this is bit redundant IMO.

> Thanks. I provided two minor comments on the 5th patch and 10th patch. Other
> than that, this series looks good to me. Also I did another trial run, and
> saw no regression. Good.

I've updated the series accordingly. Let me run a quick test and then I
post the update.