From: Trond Myklebust Subject: Re: [PATCH 0/6] Re: [PATCH] improve the performance of large sequential write NFS workloads Date: Wed, 06 Jan 2010 17:03:29 -0500 Message-ID: <1262815409.4251.169.camel@localhost> References: <20100106200928.GB22781@quack.suse.cz> <20100106205110.22547.85345.stgit@localhost.localdomain> <20100106214456.GE22781@quack.suse.cz> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Cc: Wu Fengguang , Peter Zijlstra , Steve Rago , "linux-nfs@vger.kernel.org" , "jens.axboe" , Peter Staubach , Arjan van de Ven , Ingo Molnar , "linux-fsdevel@vger.kernel.org" To: Jan Kara Return-path: In-Reply-To: <20100106214456.GE22781@quack.suse.cz> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: On Wed, 2010-01-06 at 22:44 +0100, Jan Kara wrote: > 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 Indeed, and if everyone is OK with Peter's patch, I'll do that. Cheers Trond