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-rw-r--r--fs/nfs/client.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 280d41f64a57..d5c5bdfa4231 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -1453,6 +1453,10 @@ static int nfs4_server_common_setup(struct nfs_server *server,
BUG_ON(!server->nfs_client->rpc_ops);
BUG_ON(!server->nfs_client->rpc_ops->file_inode_ops);
+ /* data servers support only a subset of NFSv4.1 */
+ if (is_ds_only_client(server->nfs_client))
+ return -EPROTONOSUPPORT;
+
fattr = nfs_alloc_fattr();
if (fattr == NULL)
return -ENOMEM;