Re: [fuse-devel] unmounting with /sbin/umount.fuse?

[Christian N. <cne...@gn...>]

Am Montag, den 25.08.2008, 20:30 +0200 schrieb Miklos Szeredi:
> On Sun, 10 Aug 2008, Christian Neumair wrote:
> > In 2006, Paul Bolle proposed to add a umount mount helper for FUSE [1].
> > In those days, it was pointed out by Miklos Szeredi that umount “can
> > only by used as root” in this context.
> > 
> > Fortunately, this does not seem to be true (anymore?). “util-linux”,
> > supports a “uhelper” mount option that optionally specifies an unmount
> > helper which can be used in non-root mode. Reading the umount man page
> > suggests that it was introduced for HAL.
> > 
> > Therefore, I'd like to propose one of the following two solutions:
> > 
> > A) when mounting, fusermount specifies "uhelper=fuse" as mount option
> > and installs the script proposed back in 2006 by Paul Bolle.
> > 
> > 
> > B) Like A), but specify "uhelper=fuse.filesystemtype" as mount option.
> > 
> > In addition, mount/mount.c:check_special_umountprog() from “util-linux”
> > is patched in a way that it looks for the mount helper, and resorts to
> > the “parent type” (i.e. fuse) mount helper.
> 
> Well, if we are patching util-linux, then a better solution is to
> allow umounting fuse filesystems (or any filesystem, probably) if mtab
> contains a "user=X" option and X is the umounting user.
> 
> An even better solution is kernel support for unprivileged mounts and
> umounts.  This is being worked on and hopefully will go into mainline
> in the not too distant future.

Any news on that issue?

best regards,
 Christian Neumair


-- 
Christian Neumair <cne...@gn...>