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>
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 0e181c2..bc7415b 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1353,6 +1353,8 @@
struct nfs_access_entry;
struct nfs_client;
struct rpc_timeout;
+struct nfs_subversion;
+struct nfs_mount_info;
struct nfs_client_initdata;
struct nfs_pageio_descriptor;
@@ -1370,6 +1372,8 @@
struct nfs_fsinfo *);
struct vfsmount *(*submount) (struct nfs_server *, struct dentry *,
struct nfs_fh *, struct nfs_fattr *);
+ struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *,
+ struct nfs_subversion *);
int (*getattr) (struct nfs_server *, struct nfs_fh *,
struct nfs_fattr *);
int (*setattr) (struct dentry *, struct nfs_fattr *,