From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756808AbZHFVda (ORCPT ); Thu, 6 Aug 2009 17:33:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756797AbZHFVd3 (ORCPT ); Thu, 6 Aug 2009 17:33:29 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:44915 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756378AbZHFVd3 (ORCPT ); Thu, 6 Aug 2009 17:33:29 -0400 Date: Thu, 6 Aug 2009 17:33:26 -0400 From: Christoph Hellwig To: Jens Axboe Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, chris.mason@oracle.com, david@fromorbit.com, hch@infradead.org, akpm@linux-foundation.org, jack@suse.cz, yanmin_zhang@linux.intel.com, richard@rsk.demon.co.uk, damien.wyart@free.fr, fweisbec@gmail.com, Alan.Brunelle@hp.com Subject: Re: [PATCH 5/9] writeback: support > 1 flusher thread per bdi Message-ID: <20090806213326.GA20538@infradead.org> References: <1248989044-21605-1-git-send-email-jens.axboe@oracle.com> <1248989044-21605-6-git-send-email-jens.axboe@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1248989044-21605-6-git-send-email-jens.axboe@oracle.com> User-Agent: Mutt/1.5.19 (2009-01-05) 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 On Thu, Jul 30, 2009 at 11:24:00PM +0200, Jens Axboe wrote: > Build on the bdi_writeback support by allowing registration of > more than 1 flusher thread. File systems can call bdi_add_flusher_task(bdi) > to add more flusher threads to the device. If they do so, they must also > provide a super_operations function to return the suitable bdi_writeback > struct from any given inode. Please don't add a inode_get_wb method until we actually have users for it.