btrfs/tests/free-space-tree-tests.c

22 				      struct btrfs_block_group *cache,
35 	info = search_free_space_info(trans, cache, path, 0);
52 		end = cache->start + cache->length;
60 				bit = free_space_test_bit(cache, path, offset);
109 				    struct btrfs_block_group *cache,
118 	info = search_free_space_info(trans, cache, path, 0);
127 	ret = __check_free_space_extents(trans, fs_info, cache, path, extents,
134 		ret = convert_free_space_to_extents(trans, cache, path);
140 		ret = convert_free_space_to_bitmaps(trans, cache, path);
146 	return __check_free_space_extents(trans, fs_info, cache, path, extents,
152 				  struct btrfs_block_group *cache,
157 		{cache->start, cache->length},
160 	return check_free_space_extents(trans, fs_info, cache, path,
166 			   struct btrfs_block_group *cache,
173 	ret = __remove_from_free_space_tree(trans, cache, path,
174 					    cache->start,
175 					    cache->length);
181 	return check_free_space_extents(trans, fs_info, cache, path,
187 				 struct btrfs_block_group *cache,
192 		{cache->start + alignment, cache->length - alignment},
196 	ret = __remove_from_free_space_tree(trans, cache, path,
197 					    cache->start, alignment);
203 	return check_free_space_extents(trans, fs_info, cache, path,
210 			   struct btrfs_block_group *cache,
215 		{cache->start, cache->length - alignment},
219 	ret = __remove_from_free_space_tree(trans, cache, path,
220 				    cache->start + cache->length - alignment,
227 	return check_free_space_extents(trans, fs_info, cache, path,
233 			      struct btrfs_block_group *cache,
238 		{cache->start, alignment},
239 		{cache->start + 2 * alignment, cache->length - 2 * alignment},
243 	ret = __remove_from_free_space_tree(trans, cache, path,
244 					    cache->start + alignment,
251 	return check_free_space_extents(trans, fs_info, cache, path,
257 			   struct btrfs_block_group *cache,
262 		{cache->start, 2 * alignment},
266 	ret = __remove_from_free_space_tree(trans, cache, path,
267 					    cache->start, cache->length);
273 	ret = __add_to_free_space_tree(trans, cache, path, cache->start,
280 	ret = __add_to_free_space_tree(trans, cache, path,
281 				       cache->start + alignment,
288 	return check_free_space_extents(trans, fs_info, cache, path,
294 			   struct btrfs_block_group *cache,
299 		{cache->start + alignment, 2 * alignment},
303 	ret = __remove_from_free_space_tree(trans, cache, path,
304 					    cache->start, cache->length);
310 	ret = __add_to_free_space_tree(trans, cache, path,
311 				       cache->start + 2 * alignment,
318 	ret = __add_to_free_space_tree(trans, cache, path,
319 				       cache->start + alignment,
326 	return check_free_space_extents(trans, fs_info, cache, path,
332 			   struct btrfs_block_group *cache,
337 		{cache->start, 3 * alignment},
341 	ret = __remove_from_free_space_tree(trans, cache, path,
342 					    cache->start, cache->length);
348 	ret = __add_to_free_space_tree(trans, cache, path, cache->start,
355 	ret = __add_to_free_space_tree(trans, cache, path,
356 				       cache->start + 2 * alignment, alignment);
362 	ret = __add_to_free_space_tree(trans, cache, path,
363 				       cache->start + alignment, alignment);
369 	return check_free_space_extents(trans, fs_info, cache, path,
375 			   struct btrfs_block_group *cache,
380 		{cache->start, alignment},
381 		{cache->start + 2 * alignment, alignment},
382 		{cache->start + 4 * alignment, alignment},
386 	ret = __remove_from_free_space_tree(trans, cache, path,
387 					    cache->start, cache->length);
393 	ret = __add_to_free_space_tree(trans, cache, path, cache->start,
400 	ret = __add_to_free_space_tree(trans, cache, path,
401 				       cache->start + 4 * alignment, alignment);
407 	ret = __add_to_free_space_tree(trans, cache, path,
408 				       cache->start + 2 * alignment, alignment);
414 	return check_free_space_extents(trans, fs_info, cache, path,
429 	struct btrfs_block_group *cache = NULL;
466 	cache = btrfs_alloc_dummy_block_group(fs_info, 8 * alignment);
467 	if (!cache) {
472 	cache->bitmap_low_thresh = 0;
473 	cache->bitmap_high_thresh = (u32)-1;
474 	set_bit(BLOCK_GROUP_FLAG_NEEDS_FREE_SPACE, &cache->runtime_flags);
475 	cache->fs_info = root->fs_info;
486 	ret = add_block_group_free_space(&trans, cache);
493 		ret = convert_free_space_to_bitmaps(&trans, cache, path);
500 	ret = test_func(&trans, root->fs_info, cache, path, alignment);
504 	ret = remove_block_group_free_space(&trans, cache);
519 	btrfs_free_dummy_block_group(cache);