Return-Path: Received: from mail-ob0-f177.google.com ([209.85.214.177]:33924 "EHLO mail-ob0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752420AbbHYREb (ORCPT ); Tue, 25 Aug 2015 13:04:31 -0400 Received: by obbfr1 with SMTP id fr1so147450257obb.1 for ; Tue, 25 Aug 2015 10:04:30 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <0BEC962F-39D5-410E-9B75-ED9EE98FFC56@oracle.com> References: <1440122378-30452-1-git-send-email-trond.myklebust@primarydata.com> <0BEC962F-39D5-410E-9B75-ED9EE98FFC56@oracle.com> Date: Tue, 25 Aug 2015 13:04:30 -0400 Message-ID: Subject: Re: [PATCH] NFSv4: Force a post-op attribute update when holding a delegation From: Trond Myklebust To: Chuck Lever Cc: Linux NFS Mailing List Content-Type: text/plain; charset=UTF-8 Sender: linux-nfs-owner@vger.kernel.org List-ID: On Tue, Aug 25, 2015 at 12:31 PM, Chuck Lever wrote: > > On Aug 20, 2015, at 9:59 PM, Trond Myklebust wrote: > >> If the ctime or mtime or change attribute have changed because >> of an operation we initiated, we should make sure that we force >> an attribute update. However we do not want to mark the page cache >> for revalidation. > > I've tested your linux-next branch (tip is aebbe9d73169 > ("NFS41/flexfiles: zero out DS write wcc") against Solaris 12 > with write delegation enabled (over RDMA, even!). > > I was not able to reproduce the write append failures I saw > before. > Perfect. Thanks for testing! Trond