convert afs

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/afs/super.c

@@ -29,9 +29,8 @@
 #define AFS_FS_MAGIC 0x6B414653 /* 'kAFS' */
 
 static void afs_i_init_once(void *foo);
-static int afs_get_sb(struct file_system_type *fs_type,
-		      int flags, const char *dev_name,
-		      void *data, struct vfsmount *mnt);
+static struct dentry *afs_mount(struct file_system_type *fs_type,
+		      int flags, const char *dev_name, void *data);
 static struct inode *afs_alloc_inode(struct super_block *sb);
 static void afs_put_super(struct super_block *sb);
 static void afs_destroy_inode(struct inode *inode);
@@ -40,7 +39,7 @@ static int afs_statfs(struct dentry *dentry, struct kstatfs *buf);
 struct file_system_type afs_fs_type = {
 	.owner		= THIS_MODULE,
 	.name		= "afs",
-	.get_sb		= afs_get_sb,
+	.mount		= afs_mount,
 	.kill_sb	= kill_anon_super,
 	.fs_flags	= 0,
 };
@@ -359,11 +358,8 @@ error:
 /*
  * get an AFS superblock
  */
-static int afs_get_sb(struct file_system_type *fs_type,
-		      int flags,
-		      const char *dev_name,
-		      void *options,
-		      struct vfsmount *mnt)
+static struct dentry *afs_mount(struct file_system_type *fs_type,
+		      int flags, const char *dev_name, void *options)
 {
 	struct afs_mount_params params;
 	struct super_block *sb;
@@ -427,12 +423,11 @@ static int afs_get_sb(struct file_system_type *fs_type,
 		ASSERTCMP(sb->s_flags, &, MS_ACTIVE);
 	}
 
-	simple_set_mnt(mnt, sb);
 	afs_put_volume(params.volume);
 	afs_put_cell(params.cell);
 	kfree(new_opts);
 	_leave(" = 0 [%p]", sb);
-	return 0;
+	return dget(sb->s_root);
 
 error:
 	afs_put_volume(params.volume);
@@ -440,7 +435,7 @@ error:
 	key_put(params.key);
 	kfree(new_opts);
 	_leave(" = %d", ret);
-	return ret;
+	return ERR_PTR(ret);
 }
 
 /*