btrfs: use boolean for delalloc argument to btrfs_free_reserved_extent()

We are using an integer for the 'delalloc' argument but all we need is a
boolean, so switch the type to 'bool' and rename the parameter to
'is_delalloc' to better match the fact that it's a boolean.

Reviewed-by: Boris Burkov <boris@bur.io>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

Author: fdmanana

fs/btrfs/direct-io.c

@@ -204,8 +204,7 @@ static struct extent_map *btrfs_new_extent_direct(struct btrfs_inode *inode,
 				     BTRFS_ORDERED_REGULAR);
 	btrfs_dec_block_group_reservations(fs_info, ins.objectid);
 	if (IS_ERR(em))
-		btrfs_free_reserved_extent(fs_info, ins.objectid, ins.offset,
-					   1);
+		btrfs_free_reserved_extent(fs_info, ins.objectid, ins.offset, true);
 
 	return em;
 }

fs/btrfs/extent-tree.c

@@ -4733,8 +4733,8 @@ int btrfs_reserve_extent(struct btrfs_root *root, u64 ram_bytes,
 	return ret;
 }
 
-int btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info,
-			       u64 start, u64 len, int delalloc)
+int btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info, u64 start, u64 len,
+			       bool is_delalloc)
 {
 	struct btrfs_block_group *cache;
 
@@ -4746,7 +4746,7 @@ int btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info,
 	}
 
 	btrfs_add_free_space(cache, start, len);
-	btrfs_free_reserved_bytes(cache, len, delalloc);
+	btrfs_free_reserved_bytes(cache, len, is_delalloc);
 	trace_btrfs_reserved_extent_free(fs_info, start, len);
 
 	btrfs_put_block_group(cache);
@@ -5220,7 +5220,7 @@ struct extent_buffer *btrfs_alloc_tree_block(struct btrfs_trans_handle *trans,
 	btrfs_tree_unlock(buf);
 	free_extent_buffer(buf);
 out_free_reserved:
-	btrfs_free_reserved_extent(fs_info, ins.objectid, ins.offset, 0);
+	btrfs_free_reserved_extent(fs_info, ins.objectid, ins.offset, false);
 out_unuse:
 	btrfs_unuse_block_rsv(fs_info, block_rsv, blocksize);
 	return ERR_PTR(ret);

fs/btrfs/extent-tree.h

@@ -149,8 +149,8 @@ int btrfs_free_extent(struct btrfs_trans_handle *trans, struct btrfs_ref *ref);
 
 u64 btrfs_get_extent_owner_root(struct btrfs_fs_info *fs_info,
 				struct extent_buffer *leaf, int slot);
-int btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info,
-			       u64 start, u64 len, int delalloc);
+int btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info, u64 start, u64 len,
+			       bool is_delalloc);
 int btrfs_pin_reserved_extent(struct btrfs_trans_handle *trans,
 			      const struct extent_buffer *eb);
 int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans);

fs/btrfs/inode.c

@@ -1181,7 +1181,7 @@ static void submit_one_async_extent(struct async_chunk *async_chunk,
 
 out_free_reserve:
 	btrfs_dec_block_group_reservations(fs_info, ins.objectid);
-	btrfs_free_reserved_extent(fs_info, ins.objectid, ins.offset, 1);
+	btrfs_free_reserved_extent(fs_info, ins.objectid, ins.offset, true);
 	mapping_set_error(inode->vfs_inode.i_mapping, -EIO);
 	extent_clear_unlock_delalloc(inode, start, end,
 				     NULL, &cached,
@@ -1459,7 +1459,7 @@ static noinline int cow_file_range(struct btrfs_inode *inode,
 	btrfs_drop_extent_map_range(inode, start, start + cur_alloc_size - 1, false);
 out_reserve:
 	btrfs_dec_block_group_reservations(fs_info, ins.objectid);
-	btrfs_free_reserved_extent(fs_info, ins.objectid, ins.offset, 1);
+	btrfs_free_reserved_extent(fs_info, ins.objectid, ins.offset, true);
 out_unlock:
 	/*
 	 * Now, we have three regions to clean up:
@@ -3289,7 +3289,7 @@ int btrfs_finish_one_ordered(struct btrfs_ordered_extent *ordered_extent)
 						NULL);
 			btrfs_free_reserved_extent(fs_info,
 					ordered_extent->disk_bytenr,
-					ordered_extent->disk_num_bytes, 1);
+					ordered_extent->disk_num_bytes, true);
 			/*
 			 * Actually free the qgroup rsv which was released when
 			 * the ordered extent was created.
@@ -8999,7 +8999,7 @@ static int __btrfs_prealloc_file_range(struct inode *inode, int mode,
 		if (IS_ERR(trans)) {
 			ret = PTR_ERR(trans);
 			btrfs_free_reserved_extent(fs_info, ins.objectid,
-						   ins.offset, 0);
+						   ins.offset, false);
 			break;
 		}
 
@@ -9827,7 +9827,7 @@ ssize_t btrfs_do_encoded_write(struct kiocb *iocb, struct iov_iter *from,
 
 out_free_reserved:
 	btrfs_dec_block_group_reservations(fs_info, ins.objectid);
-	btrfs_free_reserved_extent(fs_info, ins.objectid, ins.offset, 1);
+	btrfs_free_reserved_extent(fs_info, ins.objectid, ins.offset, true);
 out_delalloc_release:
 	btrfs_delalloc_release_extents(inode, num_bytes);
 	btrfs_delalloc_release_metadata(inode, disk_num_bytes, ret < 0);