Messages in this thread | | | Date | Sat, 29 Jun 2013 22:09:20 -0500 | From | Rob Landley <> | Subject | Re: [PATCH 1/5] initmpfs: replace MS_NOUSER in initramfs |
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On 06/29/2013 08:15:40 PM, Eric W. Biederman wrote: > Rob Landley <rob@landley.net> writes: > > > From: Rob Landley <rob@landley.net> > > > > Mounting MS_NOUSER prevents --bind mounts from rootfs. Prevent new > rootfs > > mounts with a different mechanism that doesn't affect bind mounts. > > I don't see patches 4 and 5 so I don't know if you have covered this > elsewhere but a very important part of the reason for MS_NOUSER is to > prevent unmounting of rootfs. > > The entire vfs breaks if you are allowed to unmount rootfs, and it > appears this patch is allowing that.
I mean I tried "mount --move / home". (--bind worked.)
Long day...
Rob
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