On Tue, Apr 12, 2011 at 11:41:23PM -0400, Phillip Susi wrote:
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> mkdir /mnt/dev
> mount --rbind /dev /mnt/dev
> umount /mnt/dev
>
> The umount fails because of the sub mounts that the recursive bind also
> bind mounted under /mnt/dev, which you have to remove manually first.
> When you mount with --rbind, umount should be able to reverse the
> process, unmounting all recursively bound mounts.
The recursive umount is not implemented, I'd like to add this feature
after [u]mount(8) rewrite to libmount.
Note that nowhere (especially on systems without regular mtab) is
stored information that the tree was created by recursive bind
mounts. It will be necessary to call umount with a --recursive
command line option.
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com
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