From: Jan Kara Subject: Re: [PATCH 0/6] Re: [PATCH] improve the performance of large sequential write NFS workloads Date: Wed, 6 Jan 2010 22:44:56 +0100 Message-ID: <20100106214456.GE22781@quack.suse.cz> References: <20100106200928.GB22781@quack.suse.cz> <20100106205110.22547.85345.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Wu Fengguang , Peter Zijlstra , Jan Kara , Steve Rago , "linux-nfs@vger.kernel.org" , "jens.axboe" , Peter Staubach , Arjan van de Ven , Ingo Molnar , "linux-fsdevel@vger.kernel.org" To: Trond Myklebust Return-path: Received: from cantor.suse.de ([195.135.220.2]:51677 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932626Ab0AFVo7 (ORCPT ); Wed, 6 Jan 2010 16:44:59 -0500 In-Reply-To: <20100106205110.22547.85345.stgit-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: On Wed 06-01-10 15:51:10, Trond Myklebust wrote: > Peter Zijlstra (1): > VM: Split out the accounting of unstable writes from BDI_RECLAIMABLE > > Trond Myklebust (5): > NFS: Run COMMIT as an asynchronous RPC call when wbc->for_background is set > VM: Use per-bdi unstable accounting to improve use of wbc->force_commit > VM: Don't call bdi_stat(BDI_UNSTABLE) on non-nfs backing-devices > VM/NFS: The VM must tell the filesystem when to free reclaimable pages > VFS: Ensure that writeback_single_inode() commits unstable writes I think the series would be nicer if you made Peter's patch #2 and join your patches "VM/NFS: The VM must tell the filesystem when to free reclaimable pages" and "VM: Use per-bdi unstable accounting to improve use of wbc->force_commit" Honza -- Jan Kara SUSE Labs, CR