Return-Path: linux-nfs-owner@vger.kernel.org Received: from mail-vc0-f177.google.com ([209.85.220.177]:39951 "EHLO mail-vc0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750881AbaIIEnT (ORCPT ); Tue, 9 Sep 2014 00:43:19 -0400 Received: by mail-vc0-f177.google.com with SMTP id hq11so16179994vcb.22 for ; Mon, 08 Sep 2014 21:43:18 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <1408637375-11343-15-git-send-email-hch@lst.de> References: <1408637375-11343-1-git-send-email-hch@lst.de> <1408637375-11343-15-git-send-email-hch@lst.de> Date: Mon, 8 Sep 2014 21:43:18 -0700 Message-ID: Subject: Re: [PATCH 14/19] pnfs/blocklayout: remove read-modify-write handling in bl_write_pagelist From: Trond Myklebust To: Christoph Hellwig Cc: Linux NFS Mailing List Content-Type: text/plain; charset=UTF-8 Sender: linux-nfs-owner@vger.kernel.org List-ID: On Thu, Aug 21, 2014 at 9:09 AM, Christoph Hellwig wrote: > Use the new PNFS_READ_WHOLE_PAGE flag to offload read-modify-write > handling to core nfs code, and remove a huge chunk of deadlock prone > mess from the block layout writeback path. > > Signed-off-by: Christoph Hellwig > --- This also depends on "[PATCH 07/19] pnfs: add flag to force read-modify-write in ->write_begin". Holding pending resolution. -- Trond Myklebust Linux NFS client maintainer, PrimaryData trond.myklebust@primarydata.com