linux-kernel - Re: [PATCH] nvme-pci: Switch back to sync probe to fix rootfs mount regression

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Message-ID: <Y8//roUT5byp59UP@kbusch-mbp.dhcp.thefacebook.com>
Date:   Tue, 24 Jan 2023 08:56:30 -0700
From:   Keith Busch <kbusch@...nel.org>
To:     Christoph Hellwig <hch@....de>
Cc:     Ville Syrjälä 
        <ville.syrjala@...ux.intel.com>, linux-kernel@...r.kernel.org,
        linux-nvme@...ts.infradead.org,
        Chaitanya Kulkarni <kch@...dia.com>,
        Gerd Bayer <gbayer@...ux.ibm.com>,
        Sagi Grimberg <sagi@...mberg.me>, Jens Axboe <axboe@...com>
Subject: Re: [PATCH] nvme-pci: Switch back to sync probe to fix rootfs mount
 regression

On Tue, Jan 24, 2023 at 02:41:34PM +0100, Christoph Hellwig wrote:
> On Tue, Jan 24, 2023 at 10:47:59AM +0200, Ville Syrjälä wrote:
> > On Tue, Jan 24, 2023 at 07:21:40AM +0100, Christoph Hellwig wrote:
> > > Err, no.  We're not going to randomly revert things.  If you want
> > > to be productive check the one liner Keith reported in reply to the
> > > last report.
> > 
> > No idea what that previous report is. Care to share a link?
> 
> https://lore.kernel.org/linux-nvme/849c43bc-7488-72a6-f6fc-8700639b0c79@leemhuis.info/T/#m759092f541ea29fcb41911890307e70868636a45
> 
> Patch to test:
> 
> https://lore.kernel.org/linux-nvme/849c43bc-7488-72a6-f6fc-8700639b0c79@leemhuis.info/T/#md13c22b29cd81bd0ce9167c271c582005ba30550

I'll post the official patch if someone can let me know if it's
successful. Or I can potentially setup a VM to verify myself, but I
probably won't be able to get to that till next week.