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 if (name_len == 1 && *name == '.')
26 else if (name_len == 2 && name[0] == '.' && name[1] == '.')
29 ret = btrfs_name_hash(name, name_len, &key.offset);
31 btrfs_init_path(&path);
32 data_size = sizeof(*dir_item) + name_len;
33 ret = btrfs_insert_empty_item(trans, root, &path, &key, data_size);
37 dir_item = btrfs_item_ptr(&path.nodes[0]->leaf, path.slots[0],
38 struct btrfs_dir_item);
39 btrfs_set_dir_objectid(dir_item, objectid);
40 btrfs_set_dir_type(dir_item, type);
41 btrfs_set_dir_flags(dir_item, 0);
42 btrfs_set_dir_name_len(dir_item, name_len);
43 name_ptr = (char *)(dir_item + 1);
44 memcpy(name_ptr, name, name_len);
46 btrfs_release_path(root, &path);
50 int btrfs_lookup_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
51 *root, struct btrfs_path *path, u64 dir, char *name,
52 int name_len, int mod)
56 int ins_len = mod < 0 ? -1 : 0;
61 btrfs_set_key_type(&key, BTRFS_DIR_ITEM_KEY);
62 ret = btrfs_name_hash(name, name_len, &key.offset);
64 ret = btrfs_search_slot(trans, root, &key, path, ins_len, cow);
68 int btrfs_match_dir_item_name(struct btrfs_root *root,
69 struct btrfs_path *path, char
72 struct btrfs_dir_item *dir_item;
75 dir_item = btrfs_item_ptr(&path->nodes[0]->leaf, path->slots[0],
76 struct btrfs_dir_item);
77 if (btrfs_dir_name_len(dir_item) != name_len)
79 name_ptr = (char *)(dir_item + 1);
80 if (memcmp(name_ptr, name, name_len))