NFS: Create a submount rpc_op

This simplifies the code for v2 and v3 and gives v4 a chance to decide
on referrals without needing to modify the generic client.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index fa661b91e57c..2091af294c61 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6571,6 +6571,7 @@ const struct nfs_rpc_ops nfs_v4_clientops = {
         .file_inode_ops = &nfs4_file_inode_operations,
         .file_ops       = &nfs4_file_operations,
         .getroot        = nfs4_proc_get_root,
+        .submount       = nfs4_submount,
         .getattr        = nfs4_proc_getattr,
         .setattr        = nfs4_proc_setattr,
         .lookup         = nfs4_proc_lookup,