When /etc/mtab is a symlink to /proc/mounts the umount command will fail
to unmount loopback mounted filesystems properly.
I was wondering if a solution to this would be to introduce 'named'
loopback devices.
with named loop devices, umount will then know that mount was the
creator of a loopback device that it mounted, and can safely destroy it.
at present, mounting and unmounting disc images causes one to run out of
loopback devices rather rapidly.
If I were to knock up a patch to implement named loop devices, would it
stand a chance of being accepted?
also, how should this work? should the name be that of the creating
process or should it just be a field that the creator can fill in as it
pleases?
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