169 	struct file_extent_cluster cluster;  member
3022 				 struct file_extent_cluster *cluster)  argument
3032 	BUG_ON(cluster->start != cluster->boundary[0]);
3035 	ret = btrfs_check_data_free_space(inode, cluster->start,
3036 					  cluster->end + 1 - cluster->start);
3040 	while (nr < cluster->nr) {
3041 		start = cluster->boundary[nr] - offset;
3042 		if (nr + 1 < cluster->nr)
3043 			end = cluster->boundary[nr + 1] - 1 - offset;
3045 			end = cluster->end - offset;
3057 	btrfs_free_reserved_data_space(inode, cluster->start,
3058 				       cluster->end + 1 - cluster->start);
3100 					struct file_extent_cluster *cluster)  argument
3113 	if (!cluster->nr)
3120 	ret = prealloc_file_extent_cluster(inode, cluster);
3126 	ret = setup_extent_mapping(inode, cluster->start - offset,
3127 				   cluster->end - offset, cluster->start);
3131 	index = (cluster->start - offset) >> PAGE_CACHE_SHIFT;
3132 	last_index = (cluster->end - offset) >> PAGE_CACHE_SHIFT;
3179 		if (nr < cluster->nr &&
3180 		    page_start + offset == cluster->boundary[nr]) {
3199 	WARN_ON(nr != cluster->nr);
3207 			 struct file_extent_cluster *cluster)  argument
3211 	if (cluster->nr > 0 && extent_key->objectid != cluster->end + 1) {
3212 		ret = relocate_file_extent_cluster(inode, cluster);
3215 		cluster->nr = 0;
3218 	if (!cluster->nr)
3219 		cluster->start = extent_key->objectid;
3221 		BUG_ON(cluster->nr >= MAX_EXTENTS);
3222 	cluster->end = extent_key->objectid + extent_key->offset - 1;
3223 	cluster->boundary[cluster->nr] = extent_key->objectid;
3224 	cluster->nr++;
3226 	if (cluster->nr >= MAX_EXTENTS) {
3227 		ret = relocate_file_extent_cluster(inode, cluster);
3230 		cluster->nr = 0;
3878 	memset(&rc->cluster, 0, sizeof(rc->cluster));
4042 						   &key, &rc->cluster);
4070 						   &rc->cluster);