52 			 struct btrfs_free_space *bitmap_info, u64 *offset,
55 			struct btrfs_free_space *bitmap_info);
1955 			 struct btrfs_free_space *bitmap_info, u64 *offset,  in search_bitmap()  argument
1969 	    bitmap_info->max_extent_size &&  in search_bitmap()
1970 	    bitmap_info->max_extent_size < *bytes) {  in search_bitmap()
1971 		*bytes = bitmap_info->max_extent_size;  in search_bitmap()
1975 	i = offset_to_bit(bitmap_info->offset, ctl->unit,  in search_bitmap()
1976 			  max_t(u64, *offset, bitmap_info->offset));  in search_bitmap()
1979 	for_each_set_bit_from(i, bitmap_info->bitmap, BITS_PER_BITMAP) {  in search_bitmap()
1984 		next_zero = find_next_zero_bit(bitmap_info->bitmap,  in search_bitmap()
1997 		*offset = (u64)(i * ctl->unit) + bitmap_info->offset;  in search_bitmap()
2003 	bitmap_info->max_extent_size = *bytes;  in search_bitmap()
2004 	relink_bitmap_entry(ctl, bitmap_info);  in search_bitmap()
2129 			struct btrfs_free_space *bitmap_info)  in free_bitmap()  argument
2137 	if (bitmap_info->bytes && !btrfs_free_space_trimmed(bitmap_info)) {  in free_bitmap()
2139 			bitmap_info->bitmap_extents;  in free_bitmap()
2140 		ctl->discardable_bytes[BTRFS_STAT_CURR] -= bitmap_info->bytes;  in free_bitmap()
2143 	unlink_free_space(ctl, bitmap_info, true);  in free_bitmap()
2144 	kmem_cache_free(btrfs_free_space_bitmap_cachep, bitmap_info->bitmap);  in free_bitmap()
2145 	kmem_cache_free(btrfs_free_space_cachep, bitmap_info);  in free_bitmap()
2151 			      struct btrfs_free_space *bitmap_info,  in remove_from_bitmap()  argument
2159 	end = bitmap_info->offset + (u64)(BITS_PER_BITMAP * ctl->unit) - 1;  in remove_from_bitmap()
2170 	ret = search_bitmap(ctl, bitmap_info, &search_start, &search_bytes,  in remove_from_bitmap()
2181 	bitmap_clear_bits(ctl, bitmap_info, search_start, search_bytes, true);  in remove_from_bitmap()
2186 		struct rb_node *next = rb_next(&bitmap_info->offset_index);  in remove_from_bitmap()
2187 		if (!bitmap_info->bytes)  in remove_from_bitmap()
2188 			free_bitmap(ctl, bitmap_info);  in remove_from_bitmap()
2197 		bitmap_info = rb_entry(next, struct btrfs_free_space,  in remove_from_bitmap()
2204 		if (!bitmap_info->bitmap)  in remove_from_bitmap()
2215 		ret = search_bitmap(ctl, bitmap_info, &search_start,  in remove_from_bitmap()
2221 	} else if (!bitmap_info->bytes)  in remove_from_bitmap()
2222 		free_bitmap(ctl, bitmap_info);  in remove_from_bitmap()
2314 	struct btrfs_free_space *bitmap_info;  in insert_into_bitmap()  local
2371 	bitmap_info = tree_search_offset(ctl, offset_to_bitmap(ctl, offset),  in insert_into_bitmap()
2373 	if (!bitmap_info) {  in insert_into_bitmap()
2378 	bytes_added = add_bytes_to_bitmap(ctl, bitmap_info, offset, bytes,  in insert_into_bitmap()
4194 	struct btrfs_free_space *info = NULL, *bitmap_info;  in test_add_free_space_entry()  local
4228 	bitmap_info = tree_search_offset(ctl, offset_to_bitmap(ctl, offset),  in test_add_free_space_entry()
4230 	if (!bitmap_info) {  in test_add_free_space_entry()
4234 		bitmap_info = info;  in test_add_free_space_entry()
4238 	bytes_added = add_bytes_to_bitmap(ctl, bitmap_info, offset, bytes,  in test_add_free_space_entry()