From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753791AbZFDTsV (ORCPT ); Thu, 4 Jun 2009 15:48:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752101AbZFDTsN (ORCPT ); Thu, 4 Jun 2009 15:48:13 -0400 Received: from brick.kernel.dk ([93.163.65.50]:34194 "EHLO kernel.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751077AbZFDTsM (ORCPT ); Thu, 4 Jun 2009 15:48:12 -0400 Date: Thu, 4 Jun 2009 21:48:13 +0200 From: Jens Axboe To: "Paul E. McKenney" 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 Subject: Re: [PATCH 07/12] writeback: support > 1 flusher thread per bdi Message-ID: <20090604194813.GA11363@kernel.dk> References: <1243330430-9964-1-git-send-email-jens.axboe@oracle.com> <1243330430-9964-8-git-send-email-jens.axboe@oracle.com> <20090604174439.GF6739@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090604174439.GF6739@linux.vnet.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 04 2009, Paul E. McKenney wrote: > On Tue, May 26, 2009 at 11:33:45AM +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. > > Looks good from an RCU perspective. SRCU used for wb_list, RCU for the > other RCU-protected data. ;-) Great, thanks for reviewing! -- Jens Axboe