Return-Path: 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 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> 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 List-ID: Content-Type: text/plain MIME-Version: 1.0 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); -- 1.7.3.1