Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759483AbZCPNjk (ORCPT ); Mon, 16 Mar 2009 09:39:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752790AbZCPNja (ORCPT ); Mon, 16 Mar 2009 09:39:30 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:40310 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751966AbZCPNj3 (ORCPT ); Mon, 16 Mar 2009 09:39:29 -0400 Date: Mon, 16 Mar 2009 09:39:23 -0400 From: Christoph Hellwig To: Chris Mason Cc: Christoph Hellwig , Jens Axboe , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, david@fromorbit.com, npiggin@suse.de, linux-mm@kvack.org Subject: Re: [PATCH 2/7] writeback: switch to per-bdi threads for flushing data Message-ID: <20090316133923.GA27393@infradead.org> References: <1236868428-20408-1-git-send-email-jens.axboe@oracle.com> <1236868428-20408-3-git-send-email-jens.axboe@oracle.com> <20090316102253.GB9510@infradead.org> <1237210214.30224.3.camel@think.oraclecorp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1237210214.30224.3.camel@think.oraclecorp.com> 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: 749 Lines: 14 On Mon, Mar 16, 2009 at 09:30:14AM -0400, Chris Mason wrote: > Some of our poor filesystem cousins don't write the super until kupdate > kicks them (see ext2_write_super). kupdate has always been the periodic > FS thread of last resort. Yikes, looks like this is indeed the only peridocial sb update for many simpler filesystems. We should really have a separate thread for that instead of hacking it into VM writeback. Especially with the per-bdi one where the current setup doesn't make any sense. -- 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/