From patchwork Mon Jun 13 20:11:46 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Adamson X-Patchwork-Id: 876282 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter2.kernel.org (8.14.4/8.14.4) with ESMTP id p5DKBpuH020830 for ; Mon, 13 Jun 2011 20:11:52 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753983Ab1FMULv (ORCPT ); Mon, 13 Jun 2011 16:11:51 -0400 Received: from mx2.netapp.com ([216.240.18.37]:28644 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752045Ab1FMULv (ORCPT ); Mon, 13 Jun 2011 16:11:51 -0400 X-IronPort-AV: E=Sophos;i="4.65,360,1304319600"; d="scan'208";a="555237971" Received: from smtp1.corp.netapp.com ([10.57.156.124]) by mx2-out.netapp.com with ESMTP; 13 Jun 2011 13:11:51 -0700 Received: from localhost.localdomain (shaan-lxp.hq.netapp.com [10.55.72.67] (may be forged)) by smtp1.corp.netapp.com (8.13.1/8.13.1/NTAP-1.6) with ESMTP id p5DKBmJ9018084; Mon, 13 Jun 2011 13:11:50 -0700 (PDT) From: andros@netapp.com To: trond.myklebust@netapp.com Cc: linux-nfs@vger.kernel.org, Andy Adamson Subject: [PATCH Bakeathon 2/2] NFSv4.1: File layout only supports whole file layouts Date: Mon, 13 Jun 2011 16:11:46 -0400 Message-Id: <1307995906-4177-2-git-send-email-andros@netapp.com> X-Mailer: git-send-email 1.6.6 In-Reply-To: <1307995906-4177-1-git-send-email-andros@netapp.com> References: <1307995906-4177-1-git-send-email-andros@netapp.com> Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Mon, 13 Jun 2011 20:11:52 +0000 (UTC) From: Andy Adamson Signed-off-by: Andy Adamson --- fs/nfs/nfs4filelayout.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c index 3a8bd92..ada6ce1 100644 --- a/fs/nfs/nfs4filelayout.c +++ b/fs/nfs/nfs4filelayout.c @@ -427,6 +427,12 @@ filelayout_check_layout(struct pnfs_layout_hdr *lo, dprintk("--> %s\n", __func__); + if (fl->generic_hdr.pls_range.offset != 0 || + fl->generic_hdr.pls_range.length != NFS4_MAX_UINT64) { + dprintk("%s Only whole file layouts supported. Use MDS.\n", + __func__); + goto out; + } if (fl->pattern_offset > lgr->range.offset) { dprintk("%s pattern_offset %lld too large\n", __func__, fl->pattern_offset);