Re: [PATCH] ncpfs: fix rmdir returns Device or resource busy

From: Al Viro
Date: Wed Jun 12 2013 - 22:01:31 EST

On Fri, Jun 07, 2013 at 05:14:52PM +0100, Al Viro wrote:
> On Fri, Jun 07, 2013 at 11:09:05AM -0500, Dave Chiluk wrote:
> > Can't you just use the patch from my original e-mail? Anyhow I attached
> > it an already signed-off patch.
> >
> > Al Viro Can you integrate it now?
> Applied... FWIW, patch directly in mail body is more convenient to deal with.

Actually, looking at that stuff... Why are we bothering with -EBUSY for
removal of busy directories on ncpfs, anyway? It's not just rmdir(), it's
overwriting rename() as well. IS_DEADDIR checks in fs/namei.c and fs/readdir.c
mean that the only method of ncpfs directories that might get called after
successful removal is ->setattr() and it would be trivial to add the check
in ncp_notify_change() that would make it fail for dead directories without
bothering the server at all...

Related question: what happens if you open / unlink / fchmod on ncpfs?
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