2.3.11+/dev/loop problems

Preston F. Crow (Preston.F.Crow@Dartmouth.EDU)
26 Jul 1999 22:51:35 EDT

I've been playing with creating a filesystem in a file, mounting it with the
loopback device, copying files to it, and then unmounting it. In the process
of doing this, the directory acting as the mount point has become corrupted:
% ls -l /mnt
br-xr-S-wx 0 root root 0, 0 Jan 1 1970 /mnt

The loopback filesystem was an ext2 filesystem in a file consisting mostly of
holes (until I filled it up).

I haven't yet been able to recreate the situation.

In trying to use /dev/loop0 again, I received the error:
ioctl: LOOP_SET_FD: Device or resource busy
The 'df' and 'mount' commands insist that /mnt isn't mounted, though
/proc/mounts
lists it as being mounted. It seems that there was some confusion on
unmounting
it.

--PC

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