simplifying linux_emul_convpath()

[David Malone]

On Wed, Jan 14, 2004 at 04:50:18PM -0500, Robert Watson wrote:
> This can end up with incorrect operation on a live file system anyway:
> nothing says the file with inode 400 can't be deleted, then reused as the
> archiver runs, and then count as a false positive...  :-)

Mounting the filesystem read-only while backing it up should stop
it changing, or making a snap-shot.

	David.