NFSv4: Ensure client submounts when following a referral

Set up mountpoint when hitting a referral on moved error by getting
fs_locations.

Signed-off-by: Manoj Naik <manoj@almaden.ibm.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index a34b3ee443f1..09271b10f9a8 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -317,6 +317,8 @@ extern struct vfsmount *nfs_do_submount(const struct vfsmount *mnt_parent,
                                         const struct dentry *dentry,
                                         struct nfs_fh *fh,
                                         struct nfs_fattr *fattr);
+extern struct vfsmount *nfs_do_refmount(const struct vfsmount *mnt_parent,
+                                        struct dentry *dentry);
 
 /* linux/net/ipv4/ipconfig.c: trims ip addr off front of name, too. */
 extern u32 root_nfs_parse_addr(char *name); /*__init*/