Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757964AbZCZNO4 (ORCPT ); Thu, 26 Mar 2009 09:14:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751993AbZCZNOo (ORCPT ); Thu, 26 Mar 2009 09:14:44 -0400 Received: from palinux.external.hp.com ([192.25.206.14]:35459 "EHLO mail.parisc-linux.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751353AbZCZNOn (ORCPT ); Thu, 26 Mar 2009 09:14:43 -0400 Date: Thu, 26 Mar 2009 07:14:25 -0600 From: Matthew Wilcox To: Pavel Machek Cc: Miklos Szeredi , serue@us.ibm.com, bfields@fieldses.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk, ebiederm@xmission.com, linux-fsdevel@vger.kernel.org Subject: Re: unprivileged mounts vs. rmdir (was: VFS, NFS security bug? ...) Message-ID: <20090326131425.GB8014@parisc-linux.org> References: <20090311232356.GP13540@fieldses.org> <20090312161047.GA15209@us.ibm.com> <517f3f820903121321sf6d2014q8165b925d5d44db7@mail.gmail.com> <20090313175848.GB27891@fieldses.org> <20090316163611.GB10959@fieldses.org> <20090316170433.GA2996@us.ibm.com> <20090326124338.GA1466@ucw.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090326124338.GA1466@ucw.cz> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 752 Lines: 19 On Thu, Mar 26, 2009 at 01:43:38PM +0100, Pavel Machek wrote: > Well... traditionally if you have an open file or cwd inside mounted > tree... that blocks unmount, right? > > What will you do with processes that have open (deleted) files inside > the mount? What about cwd? umount -l ? -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/