vfs: Remove kern_mount_data()

The kern_mount_data() isn't used any more so remove it.
Signed-off-by: NDavid Howells <dhowells@redhat.com>
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>

fs/namespace.c

@@ -3390,10 +3390,10 @@ void put_mnt_ns(struct mnt_namespace *ns)
 	free_mnt_ns(ns);
 }
 
-struct vfsmount *kern_mount_data(struct file_system_type *type, void *data)
+struct vfsmount *kern_mount(struct file_system_type *type)
 {
 	struct vfsmount *mnt;
-	mnt = vfs_kern_mount(type, SB_KERNMOUNT, type->name, data);
+	mnt = vfs_kern_mount(type, SB_KERNMOUNT, type->name, NULL);
 	if (!IS_ERR(mnt)) {
 		/*
 		 * it is a longterm mount, don't release mnt until
@@ -3403,7 +3403,7 @@ struct vfsmount *kern_mount_data(struct file_system_type *type, void *data)
 	}
 	return mnt;
 }
-EXPORT_SYMBOL_GPL(kern_mount_data);
+EXPORT_SYMBOL_GPL(kern_mount);
 
 void kern_unmount(struct vfsmount *mnt)
 {

include/linux/fs.h

@@ -2280,8 +2280,7 @@ mount_pseudo(struct file_system_type *fs_type, char *name,
 
 extern int register_filesystem(struct file_system_type *);
 extern int unregister_filesystem(struct file_system_type *);
-extern struct vfsmount *kern_mount_data(struct file_system_type *, void *data);
-#define kern_mount(type) kern_mount_data(type, NULL)
+extern struct vfsmount *kern_mount(struct file_system_type *);
 extern void kern_unmount(struct vfsmount *mnt);
 extern int may_umount_tree(struct vfsmount *);
 extern int may_umount(struct vfsmount *);