Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758574AbYJIKSk (ORCPT ); Thu, 9 Oct 2008 06:18:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756395AbYJIKS3 (ORCPT ); Thu, 9 Oct 2008 06:18:29 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:53769 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756237AbYJIKS2 (ORCPT ); Thu, 9 Oct 2008 06:18:28 -0400 Date: Thu, 9 Oct 2008 06:18:09 -0400 From: Christoph Hellwig To: Takashi Sato Cc: Eric Sandeen , Christoph Hellwig , Ric Wheeler , Andrew Morton , Oleg Nesterov , linux-fsdevel@vger.kernel.org, dm-devel@redhat.com, viro@ZenIV.linux.org.uk, linux-ext4@vger.kernel.org, xfs@oss.sgi.com, axboe@kernel.dk, mtk.manpages@googlemail.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/3] Add timeout feature Message-ID: <20081009101809.GA1319@infradead.org> References: <20080908205337t-sato@mail.jp.nec.com> <20080908171119.GB22521@infradead.org> <48DBFD42.6030307@redhat.com> <20080929141326.GA31781@infradead.org> <48E0E7D4.1090409@sandeen.net> <20080929143749.GA13286@infradead.org> <48E0EA0B.7000701@sandeen.net> <0AD458D29A8E4938BB3914BB5C562C39@nsl.ad.nec.co.jp> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0AD458D29A8E4938BB3914BB5C562C39@nsl.ad.nec.co.jp> User-Agent: Mutt/1.5.18 (2008-05-17) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 634 Lines: 13 On Thu, Oct 09, 2008 at 07:12:17PM +0900, Takashi Sato wrote: > I think we need the timeout for the case someone dirties so much data > with mmap, hence the freeze process is swapped out and cannot unfreeze. That is not supposed to happen. That's why write blocks early on a frozen filesystem (the shared mmap write path is currently missing the check, but that's a rather small patch) -- 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/