From: Olaf Hering <olh@suse.de>
To: linux-hotplug@vger.kernel.org
Subject: Re: Passing information from initramfs to real rootfs
Date: Thu, 20 Nov 2003 06:41:06 +0000 [thread overview]
Message-ID: <marc-linux-hotplug-106931281413229@msgid-missing> (raw)
In-Reply-To: <marc-linux-hotplug-106880306401848@msgid-missing>
On Wed, Nov 19, Greg KH wrote:
> On Fri, Nov 14, 2003 at 07:44:09PM +0100, Olaf Hering wrote:
> > On Fri, Nov 14, Olaf Hering wrote:
> >
> > > On Fri, Nov 14, Hannes Reinecke wrote:
> > >
> > > > Hi all,
> > > >
> > > > is it possible to get information out of initramfs to be passed to the
> > > > real root fs?
> > >
> > > mkdir /foo
> > > mkfs.minix /dev/ram42
> > > mount -nt minix /dev/ram42 /foo
> > > echo my content > /foo/backup.txt
> > > umount /foo
> > >
> > > ...
> > >
> > > mount -n /dev/ram42 /oldinitramfscontent
> > >
> > >
> > > might work.
> >
> > Doesnt work, the ramdisk content disappears during umount. Does anyone
> > know what it disappears in the initramfs context, but not in the running
> > system?
>
> Why umount it then?
/foo is in initramfs and not accessible after mounting the real root.
But there are ways to preserve the content somehow. It should not
disappear according to viro.
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prev parent reply other threads:[~2003-11-20 6:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-14 9:43 Passing information from initramfs to real rootfs Hannes Reinecke
2003-11-14 9:47 ` Olaf Hering
2003-11-14 17:42 ` Dave Dodge
2003-11-14 18:44 ` Olaf Hering
2003-11-20 0:01 ` Greg KH
2003-11-20 6:41 ` Olaf Hering [this message]
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