Re: Bug: mount: "user" mounts broken when /etc/mtab is a symlink

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On Fri, May 27, 2011 at 10:47:01AM +0100, Roger Leigh wrote:
> On Mon, Jan 10, 2011 at 03:08:46PM +0100, Karel Zak wrote:
> > On Sun, Jan 09, 2011 at 12:37:49PM +0000, Roger Leigh wrote:
> > > I just wanted to check with you which versions of util-linux-ng would
> > > work correctly with /etc/mtab removed
> > [...]
> > > If 2.19 is required
> > 
> > Yes. Note that "mtab removed" means mtab is symlink to /proc/mounts :-)
> 
> [â]
> > > Have you removed mtab in Fedora/RedHat yet?
> > 
> > Yes, this is my plan for Fedora rawhide, because mtab is unsupported
> > by systemd.  On systems without systemd I'd suggest to be conservative
> > and compile mount without --enable-libmount-mount.
> > 
> > Note that more utils depend on mtab. It's not enough to updated
> > mount(8) -- the long term goal is to modify also mount.<type> helpers
> > to use libmount library (this is my goal for this year).  Then we can
> > say that mtab is really dead.
> 
> I've just been checking out util-linux and the /etc/mtab symlink in
> the new Fedora release.  Nice job!
> 
> We're about to put 2.19 in Debian (it's currently in our experimental
> distribution).  Is there a list of helpers and other tools which
> require conversion to using libmount?  I found the NFS patch on the
> nfs lists and in nfs-utils git.  Are there any others we should be
> aware of in order to make the switch cleanly? 

 pam_mount uses mtab too, I think Jan Engelhardt is working on this
 issue (utab branch):

    http://pam-mount.git.sourceforge.net/git/gitweb.cgi?p=pam-mount/pam-mount;a=summary

 but I don't know more details or his plans.

 See also cifs (some minor issues, probably fixed upstream):

    https://bugzilla.redhat.com/show_bug.cgi?id=674101
    https://bugzilla.redhat.com/show_bug.cgi?id=702664

    Karel

-- 
 Karel Zak  <kzak@xxxxxxxxxx>
 http://karelzak.blogspot.com
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