From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754404AbZBCLst (ORCPT ); Tue, 3 Feb 2009 06:48:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752156AbZBCLsg (ORCPT ); Tue, 3 Feb 2009 06:48:36 -0500 Received: from mail2.shareable.org ([80.68.89.115]:46157 "EHLO mail2.shareable.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751786AbZBCLsf (ORCPT ); Tue, 3 Feb 2009 06:48:35 -0500 Date: Tue, 3 Feb 2009 11:48:29 +0000 From: Jamie Lokier To: Eric Sandeen Cc: Andrew Morton , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, t-sato@yk.jp.nec.com Subject: Re: [PATCH V4] Allow SysRq emergency thaw to thaw frozen filesystems Message-ID: <20090203114829.GG11926@shareable.org> References: <496EB639.6090800@redhat.com> <4970E087.8020308@redhat.com> <4970E4FB.7040407@redhat.com> <20090130134009.02d4a576.akpm@linux-foundation.org> <498779D6.7010304@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <498779D6.7010304@redhat.com> 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 Eric Sandeen wrote: > The timeout thaw originally proposed did not get merged, but > perhaps something like this would be useful in emergencies. > > For example, freeze /path/to/mountpoint may freeze your > root filesystem if you forgot that you had that unmounted. If you don't have console access, you're just logged in remotely, is there a way to do an emergency unthaw from a shell command? -- Jamie