To: szaka@ntfs-3g.org
CC: miklos@szeredi.hu, util-linux-ng@vger.kernel.org,
       akpm@linux-foundation.org, hch@infradead.org, serue@us.ibm.com,
       viro@ftp.linux.org.uk, kzak@redhat.com, linux-fsdevel@vger.kernel.org,
       linux-kernel@vger.kernel.org, containers@lists.osdl.org
In-reply-to: <Pine.LNX.4.61.0801191745520.4482@dhcppc1> (message from Szabolcs
	Szakacsits on Sat, 19 Jan 2008 18:05:15 +0200 (MET DST))
Subject: Re: [patch] util-linux-ng: unprivileged mounts support
References: <E1JF7Xh-0003q3-Qv@pomaz-ex.szeredi.hu> <Pine.LNX.4.61.0801191745520.4482@dhcppc1>
Message-Id: <E1JGKMY-00033X-FF@pomaz-ex.szeredi.hu>
From: Miklos Szeredi <miklos@szeredi.hu>
Date: Sat, 19 Jan 2008 21:32:22 +0100
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1256
Lines: 29

> > This is an experimental patch for supporing unprivileged mounts and
> > umounts.  
> 
> User unmount unfortunately still doesn't work if the kernel doesn't have 
> the unprivileged mount support but as we discussed this in last July that 
> shouldn't be needed for this case.
> 
>   % mount -t ntfs-3g /dev/hda10 /tmp/test
>   % cat /proc/mounts | grep /tmp/test                                                                         
>   /dev/hda10 /tmp/test fuseblk rw,nosuid,nodev,user_id=501,group_id=501,allow_other 0 0
>   % mount | grep /tmp/test
>   /dev/hda10 on /tmp/test type fuseblk (rw,nosuid,nodev,allow_other,blksize=1024,user=szaka)
>   % umount /tmp/test
>   umount: /dev/hda10: not mounted
>   umount: /tmp/test: must be superuser to umount
>   umount: /dev/hda10: not mounted
>   umount: /tmp/test: must be superuser to umount

But 'fusermount -u /tmp/test' does work, doesn't it?

Yes, this should probably be fixed in umount(8), but it's an (almost)
completely separate issue.

Miklos
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