diff mbox

[Bakeathon,2/2] NFSv4.1: File layout only supports whole file layouts

Message ID 1307995906-4177-2-git-send-email-andros@netapp.com (mailing list archive)
State New, archived
Headers show

Commit Message

Andy Adamson June 13, 2011, 8:11 p.m. UTC 
From: Andy Adamson <andros@netapp.com>

Signed-off-by: Andy Adamson <andros@netapp.com>
---
 fs/nfs/nfs4filelayout.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
diff mbox

Patch

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);