3 #include "kerncompat.h"
4 #include "radix-tree.h"
9 int btrfs_insert_dir_item(struct btrfs_root *root, char *name, int name_len,
10 u64 dir, u64 objectid, u8 type)
13 struct btrfs_path path;
14 struct btrfs_dir_item *dir_item;
21 btrfs_set_key_type(&key, BTRFS_DIR_ITEM_KEY);
22 ret = btrfs_name_hash(name, name_len, &key.offset);
24 btrfs_init_path(&path);
25 data_size = sizeof(*dir_item) + name_len;
26 ret = btrfs_insert_empty_item(root, &path, &key, data_size);
30 dir_item = btrfs_item_ptr(&path.nodes[0]->leaf, path.slots[0],
31 struct btrfs_dir_item);
32 btrfs_set_dir_objectid(dir_item, objectid);
33 btrfs_set_dir_type(dir_item, type);
34 btrfs_set_dir_flags(dir_item, 0);
35 btrfs_set_dir_name_len(dir_item, name_len);
36 name_ptr = (char *)(dir_item + 1);
37 memcpy(name_ptr, name, name_len);
39 btrfs_release_path(root, &path);
43 int btrfs_lookup_dir_item(struct btrfs_root *root, struct btrfs_path *path,
44 u64 dir, char *name, int name_len, int mod)
48 int ins_len = mod < 0 ? -1 : 0;
53 btrfs_set_key_type(&key, BTRFS_DIR_ITEM_KEY);
54 ret = btrfs_name_hash(name, name_len, &key.offset);
56 ret = btrfs_search_slot(root, &key, path, ins_len, cow);
60 int btrfs_match_dir_item_name(struct btrfs_root *root, struct btrfs_path *path,
61 char *name, int name_len)
63 struct btrfs_dir_item *dir_item;
66 dir_item = btrfs_item_ptr(&path->nodes[0]->leaf, path->slots[0],
67 struct btrfs_dir_item);
68 if (btrfs_dir_name_len(dir_item) != name_len)
70 name_ptr = (char *)(dir_item + 1);
71 if (memcmp(name_ptr, name, name_len))