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From: Rob Landley <landley@trommello.org>
To: Alexander Viro <viro@math.psu.edu>
Cc: Nick LeRoy <nleroy@cs.wisc.edu>, Hans Reiser <reiser@namesys.com>,
	"Martin J. Bligh" <mbligh@aracnet.com>,
	linux-kernel@vger.kernel.org
Subject: Re: The reason to call it 3.0 is the desktop (was Re: [OT] 2.6 not 3.0 - (NUMA)) (fwd)
Date: Mon, 14 Oct 2002 12:41:28 -0400	[thread overview]
Message-ID: <200210142151.g9ELpiLG101376@pimout1-ext.prodigy.net> (raw)
In-Reply-To: <Pine.GSO.4.21.0210132107020.9247-100000@steklov.math.psu.edu>

On Sunday 13 October 2002 09:09 pm, Alexander Viro wrote:
> > Logically, the second /var mount should be "mount --move /initrd/var
> > /var", followed by "umount /initrd" to free up the initrd memory.  Right
> > now it's doing "mount -n --bind /initrd/var /var", because /etc is a
> > symlink into /var (has to remain editable, you see), and this way the
> > information about which partition var actually is can be kept in one
> > place.  (This is an implementation detail: I could have used volume
> > labels instead.)
> >
> > The point is, right now I can't free the initial ramdisk because it has
> > an active mount point under it..
>
> umount -l
> mount --move

Cool.  Thanks.

Rob

(Serves me right for still having Red Hat 7.2 on my laptop.  Old man pages.  
Now I've got to find a new project to force myelf to learn VFS internals.  Oh 
well... :)

(Nit-pick:  the man page description of umount -l doesn't look like it'd help 
with the removable media problem, I.E. "umount --gimme_my_cd_back_NOW", but 
the code may disagree, and the discussion's already turned up a 2.4 patch 
from Tirgran via Hugh Dickens, so I'll shut up now. :)

      parent reply	other threads:[~2002-10-14 21:46 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Pine.GSO.4.21.0210132106460.9247-100000@steklov.math.psu.edu>
2002-10-14  1:09 ` Alexander Viro
2002-10-14  2:42   ` Hans Reiser
2002-10-14  2:48     ` Alexander Viro
2002-10-14 16:41   ` Rob Landley [this message]

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