From: Andy Adamson <andros@xxxxxxxxxx>
Signed-off-by: Andy Adamson <andros@xxxxxxxxxx>
---
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
--
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