3 #include "kerncompat.h"
4 #include "radix-tree.h"
8 #include "transaction.h"
10 int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
11 *root, char *name, int name_len, u64 dir, u64
15 struct btrfs_path path;
16 struct btrfs_dir_item *dir_item;
23 btrfs_set_key_type(&key, BTRFS_DIR_ITEM_KEY);
24 ret = btrfs_name_hash(name, name_len, &key.offset);
26 btrfs_init_path(&path);
27 data_size = sizeof(*dir_item) + name_len;
28 ret = btrfs_insert_empty_item(trans, root, &path, &key, data_size);
32 dir_item = btrfs_item_ptr(&path.nodes[0]->leaf, path.slots[0],
33 struct btrfs_dir_item);
34 btrfs_set_dir_objectid(dir_item, objectid);
35 btrfs_set_dir_type(dir_item, type);
36 btrfs_set_dir_flags(dir_item, 0);
37 btrfs_set_dir_name_len(dir_item, name_len);
38 name_ptr = (char *)(dir_item + 1);
39 memcpy(name_ptr, name, name_len);
41 btrfs_release_path(root, &path);
45 int btrfs_lookup_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
46 *root, struct btrfs_path *path, u64 dir, char *name,
47 int name_len, int mod)
51 int ins_len = mod < 0 ? -1 : 0;
56 btrfs_set_key_type(&key, BTRFS_DIR_ITEM_KEY);
57 ret = btrfs_name_hash(name, name_len, &key.offset);
59 ret = btrfs_search_slot(trans, root, &key, path, ins_len, cow);
63 int btrfs_match_dir_item_name(struct btrfs_root *root,
64 struct btrfs_path *path, char
67 struct btrfs_dir_item *dir_item;
70 dir_item = btrfs_item_ptr(&path->nodes[0]->leaf, path->slots[0],
71 struct btrfs_dir_item);
72 if (btrfs_dir_name_len(dir_item) != name_len)
74 name_ptr = (char *)(dir_item + 1);
75 if (memcmp(name_ptr, name, name_len))