From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Valerie Henson" Subject: Re: [RFD] Incremental fsck Date: Tue, 8 Jan 2008 23:45:56 -0800 Message-ID: <70b6f0bf0801082345vf57951ey642e35c3d6e5194f@mail.gmail.com> References: <200801090022.55589.a1426z@gawab.com> <20080108164106.735c431d@bree.surriel.com> <200801090740.12989.a1426z@gawab.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: "Rik van Riel" , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org To: "Al Boldi" Return-path: Received: from py-out-1112.google.com ([64.233.166.176]:23773 "EHLO py-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751500AbYAIHp5 (ORCPT ); Wed, 9 Jan 2008 02:45:57 -0500 Received: by py-out-1112.google.com with SMTP id u52so243283pyb.10 for ; Tue, 08 Jan 2008 23:45:56 -0800 (PST) In-Reply-To: <200801090740.12989.a1426z@gawab.com> Content-Disposition: inline Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Jan 8, 2008 8:40 PM, Al Boldi wrote: > Rik van Riel wrote: > > Al Boldi wrote: > > > Has there been some thought about an incremental fsck? > > > > > > You know, somehow fencing a sub-dir to do an online fsck? > > > > Search for "chunkfs" > > Sure, and there is TileFS too. > > But why wouldn't it be possible to do this on the current fs infrastructure, > using just a smart fsck, working incrementally on some sub-dir? Several data structures are file system wide and require finding every allocated file and block to check that they are correct. In particular, block and inode bitmaps can't be checked per subdirectory. http://infohost.nmt.edu/~val/review/chunkfs.pdf -VAL -VAL