NFS: Create a try_mount rpc op

I'm already looking up the nfs subversion in nfs_fs_mount(), so I have
easy access to rpc_ops that used to be difficult to reach.  This allows
me to set up a different mount path for NFS v2/3 and NFS v4.

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 6843e0a37de8..eb4ba1d99df9 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6870,6 +6870,7 @@ const struct nfs_rpc_ops nfs_v4_clientops = {
         .file_ops       = &nfs4_file_operations,
         .getroot        = nfs4_proc_get_root,
         .submount       = nfs4_submount,
+        .try_mount      = nfs4_try_mount,
         .getattr        = nfs4_proc_getattr,
         .setattr        = nfs4_proc_setattr,
         .lookup         = nfs4_proc_lookup,