Re: [patch v3] vfs: fix sys_getcwd for detached mounts

[Al Viro]

On Mon, Jun 23, 2008 at 08:25:26PM +0200, Miklos Szeredi wrote:
> I tested this one in various situations, and it appears to do what
> it's supposed to.
> 
> A somewhat analogous issue is if we have cwd (or fd) outside
> current->root.  Should we add a prefix for that case as well?  Perhaps
> a double slash?

OK, I've applied everything except the last one (all in for-linus in
vfs-2.6.git).  As for the stuff outside current->root (or other namespace,
for that matter)...  I don't like the idea of using // - as it is,
we have a nice sane check (path[0] != '/') and if anything, I'd consider
going for deleted:<path> instead of <path> (deleted) as we have now.
_That_ would eliminate the major annoyance with handling of unlinked/rmdired -
we'd get rid of guessing whether that's a file really called "a (deleted)"
or an unlinked one that used to be called "a"...
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