btrfs: reduce btrfs_update_block_group alloc argument to bool

btrfs_update_block_group() accounts for the number of bytes allocated or
freed. Argument @alloc specifies whether the call is for alloc or free.
Convert the argument @alloc type from int to bool.
Reviewed-by: Su Yue <l@damenly.su>
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/block-group.c

@@ -3160,7 +3160,7 @@ int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans)
 }
 
 int btrfs_update_block_group(struct btrfs_trans_handle *trans,
-			     u64 bytenr, u64 num_bytes, int alloc)
+			     u64 bytenr, u64 num_bytes, bool alloc)
 {
 	struct btrfs_fs_info *info = trans->fs_info;
 	struct btrfs_block_group *cache = NULL;

fs/btrfs/block-group.h

@@ -284,7 +284,7 @@ int btrfs_start_dirty_block_groups(struct btrfs_trans_handle *trans);
 int btrfs_write_dirty_block_groups(struct btrfs_trans_handle *trans);
 int btrfs_setup_space_cache(struct btrfs_trans_handle *trans);
 int btrfs_update_block_group(struct btrfs_trans_handle *trans,
-			     u64 bytenr, u64 num_bytes, int alloc);
+			     u64 bytenr, u64 num_bytes, bool alloc);
 int btrfs_add_reserved_bytes(struct btrfs_block_group *cache,
 			     u64 ram_bytes, u64 num_bytes, int delalloc);
 void btrfs_free_reserved_bytes(struct btrfs_block_group *cache,

fs/btrfs/extent-tree.c

@@ -3193,7 +3193,7 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
 			goto out;
 		}
 
-		ret = btrfs_update_block_group(trans, bytenr, num_bytes, 0);
+		ret = btrfs_update_block_group(trans, bytenr, num_bytes, false);
 		if (ret) {
 			btrfs_abort_transaction(trans, ret);
 			goto out;
@@ -4627,7 +4627,7 @@ static int alloc_reserved_file_extent(struct btrfs_trans_handle *trans,
 	if (ret)
 		return ret;
 
-	ret = btrfs_update_block_group(trans, ins->objectid, ins->offset, 1);
+	ret = btrfs_update_block_group(trans, ins->objectid, ins->offset, true);
 	if (ret) { /* -ENOENT, logic error */
 		btrfs_err(fs_info, "update block group failed for %llu %llu",
 			ins->objectid, ins->offset);
@@ -4716,7 +4716,7 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans,
 		return ret;
 
 	ret = btrfs_update_block_group(trans, extent_key.objectid,
-				       fs_info->nodesize, 1);
+				       fs_info->nodesize, true);
 	if (ret) { /* -ENOENT, logic error */
 		btrfs_err(fs_info, "update block group failed for %llu %llu",
 			extent_key.objectid, extent_key.offset);