RFC - named loop devices...

Ian Molton (spyro@armlinux.org)
Tue, 21 May 2002 01:55:17 +0100


I havent thought about this too much, but...

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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