fs/btrfs/dir-item.c

24 						   struct btrfs_path *path,
35 	ret = btrfs_insert_empty_item(trans, root, path, cpu_key, data_size);
38 		di = btrfs_match_dir_item_name(fs_info, path, name, name_len);
41 		btrfs_extend_item(trans, path, data_size);
45 	leaf = path->nodes[0];
46 	ptr = btrfs_item_ptr(leaf, path->slots[0], char);
47 	ASSERT(data_size <= btrfs_item_size(leaf, path->slots[0]));
48 	ptr += btrfs_item_size(leaf, path->slots[0]) - data_size;
58 			    struct btrfs_path *path, u64 objectid,
78 	dir_item = insert_with_overflow(trans, root, path, &key, data_size,
84 	leaf = path->nodes[0];
96 	btrfs_mark_buffer_dirty(trans, path->nodes[0]);
116 	struct btrfs_path *path;
128 	path = btrfs_alloc_path();
129 	if (!path)
135 	dir_item = insert_with_overflow(trans, root, path, &key, data_size,
147 	leaf = path->nodes[0];
164 	btrfs_release_path(path);
169 	btrfs_free_path(path);
179 			struct btrfs_root *root, struct btrfs_path *path,
187 	ret = btrfs_search_slot(trans, root, key, path, ins_len, cow);
193 	return btrfs_match_dir_item_name(root->fs_info, path, name, name_len);
201  * @path:	Path to use for the search.
214 					     struct btrfs_path *path, u64 dir,
225 	di = btrfs_lookup_match_dir(trans, root, path, &key, name->name,
242 	struct btrfs_path *path;
244 	path = btrfs_alloc_path();
245 	if (!path)
252 	di = btrfs_lookup_match_dir(NULL, root, path, &key, name->name,
275 	leaf = path->nodes[0];
276 	slot = path->slots[0];
285 	btrfs_free_path(path);
294  * @path:	Path to use for the search.
310 			    struct btrfs_path *path, u64 dir,
320 	di = btrfs_lookup_match_dir(trans, root, path, &key, name->name,
329 btrfs_search_dir_index_item(struct btrfs_root *root, struct btrfs_path *path,
340 	btrfs_for_each_slot(root, &key, &key, path, ret) {
344 		di = btrfs_match_dir_item_name(root->fs_info, path,
358 					  struct btrfs_path *path, u64 dir,
369 	di = btrfs_lookup_match_dir(trans, root, path, &key, name, name_len, mod);
377  * helper function to look at the directory item pointed to by 'path'
382 						 struct btrfs_path *path,
392 	leaf = path->nodes[0];
393 	dir_item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_dir_item);
395 	total_len = btrfs_item_size(leaf, path->slots[0]);
419 			      struct btrfs_path *path,
428 	leaf = path->nodes[0];
431 	item_len = btrfs_item_size(leaf, path->slots[0]);
433 		ret = btrfs_del_item(trans, root, path);
439 		start = btrfs_item_ptr_offset(leaf, path->slots[0]);
442 		btrfs_truncate_item(trans, path, item_len - sub_item_len, 1);