linux-ext4 - Re: ext4 confusion

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Message-ID: <22af62e2-81c7-ad6a-07bd-a05c42ba003a@infradead.org>
Date:   Mon, 5 Mar 2018 21:12:03 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Eric Sandeen <sandeen@...hat.com>, linux-ext4@...r.kernel.org,
        Linux FS Devel <linux-fsdevel@...r.kernel.org>
Subject: Re: ext4 confusion

On 03/05/2018 08:45 PM, Eric Sandeen wrote:
> On 3/5/18 10:42 PM, Randy Dunlap wrote:
>>>> It's a new OS/installer.  OpenSUSE Tumbleweed, which is their bleeding edge
>>>> rolling updates release.
>>> Hrmph.  A lot of things go into this behavior, it may not be a kernel change at
>>> all that has made it show up now...
>> Yes, it could be that wonderful systemd or something else.
> 
> I think I'd pursue a parallel track of bugging SUSE about the issue... ;)
> 
> (I don't think the kernel will ever just downgrade an rw mount request to
> ro, or skip an ro->rw transition silently... leaving it ro does seem
> like an init bug, but *shrug* init long ago transitioned into deep magic.)

More info:  :(

This problem happens when booting my own custom 4.16-rc3 kernel.
If I boot the OpenSUSE-supplied (4.15.7) kernel, the / fs is remounted rw later on.

So I'm more or less back to "what am I doing wrong"?

thanks,
-- 
~Randy