Signed-off-by: Fred Isaman <iisaman@xxxxxxxxxx>
---
fs/nfs/pnfs.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 7013916..4b33cde 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -141,6 +141,9 @@ set_pnfs_layoutdriver(struct nfs_server *server, u32 id)
if (id == 0)
goto out_no_driver;
+ if ((server->nfs_client->rpc_ops->version != 4) ||
+ (server->nfs_client->cl_minorversion != 1))
+ goto out_no_driver;
if (!(server->nfs_client->cl_exchange_flags &
(EXCHGID4_FLAG_USE_NON_PNFS | EXCHGID4_FLAG_USE_PNFS_MDS))) {
printk(KERN_ERR "%s: id %u cl_exchange_flags 0x%x\n", __func__,
--
1.7.2.1
--
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