btrfs: use bool argument in free_root_pointers()

We don't need int argument bool shall do in free_root_pointers().  And
rename the argument as it confused two people.
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/disk-io.c

@@ -2022,7 +2022,7 @@ static void free_root_extent_buffers(struct btrfs_root *root)
 }
 
 /* helper to cleanup tree roots */
-static void free_root_pointers(struct btrfs_fs_info *info, int chunk_root)
+static void free_root_pointers(struct btrfs_fs_info *info, bool free_chunk_root)
 {
 	free_root_extent_buffers(info->tree_root);
 
@@ -2031,7 +2031,7 @@ static void free_root_pointers(struct btrfs_fs_info *info, int chunk_root)
 	free_root_extent_buffers(info->csum_root);
 	free_root_extent_buffers(info->quota_root);
 	free_root_extent_buffers(info->uuid_root);
-	if (chunk_root)
+	if (free_chunk_root)
 		free_root_extent_buffers(info->chunk_root);
 	free_root_extent_buffers(info->free_space_root);
 }
@@ -3320,7 +3320,7 @@ int __cold open_ctree(struct super_block *sb,
 	btrfs_put_block_group_cache(fs_info);
 
 fail_tree_roots:
-	free_root_pointers(fs_info, 1);
+	free_root_pointers(fs_info, true);
 	invalidate_inode_pages2(fs_info->btree_inode->i_mapping);
 
 fail_sb_buffer:
@@ -3352,7 +3352,7 @@ int __cold open_ctree(struct super_block *sb,
 	if (!btrfs_test_opt(fs_info, USEBACKUPROOT))
 		goto fail_tree_roots;
 
-	free_root_pointers(fs_info, 0);
+	free_root_pointers(fs_info, false);
 
 	/* don't use the log in recovery mode, it won't be valid */
 	btrfs_set_super_log_root(disk_super, 0);
@@ -4046,7 +4046,7 @@ void __cold close_ctree(struct btrfs_fs_info *fs_info)
 	btrfs_free_block_groups(fs_info);
 
 	clear_bit(BTRFS_FS_OPEN, &fs_info->flags);
-	free_root_pointers(fs_info, 1);
+	free_root_pointers(fs_info, true);
 
 	iput(fs_info->btree_inode);