1 #include <linux/module.h>
5 #include "transaction.h"
7 int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
8 *root, char *name, int name_len, u64 dir, u64
12 struct btrfs_path path;
13 struct btrfs_dir_item *dir_item;
20 btrfs_set_key_type(&key, BTRFS_DIR_ITEM_KEY);
21 if (name_len == 1 && *name == '.')
23 else if (name_len == 2 && name[0] == '.' && name[1] == '.')
26 ret = btrfs_name_hash(name, name_len, &key.offset);
28 btrfs_init_path(&path);
29 data_size = sizeof(*dir_item) + name_len;
30 ret = btrfs_insert_empty_item(trans, root, &path, &key, data_size);
34 dir_item = btrfs_item_ptr(&path.nodes[0]->leaf, path.slots[0],
35 struct btrfs_dir_item);
36 btrfs_set_dir_objectid(dir_item, objectid);
37 btrfs_set_dir_type(dir_item, type);
38 btrfs_set_dir_flags(dir_item, 0);
39 btrfs_set_dir_name_len(dir_item, name_len);
40 name_ptr = (char *)(dir_item + 1);
41 memcpy(name_ptr, name, name_len);
43 btrfs_release_path(root, &path);
47 int btrfs_lookup_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root
48 *root, struct btrfs_path *path, u64 dir, char *name,
49 int name_len, int mod)
53 int ins_len = mod < 0 ? -1 : 0;
58 btrfs_set_key_type(&key, BTRFS_DIR_ITEM_KEY);
59 ret = btrfs_name_hash(name, name_len, &key.offset);
61 ret = btrfs_search_slot(trans, root, &key, path, ins_len, cow);
65 int btrfs_match_dir_item_name(struct btrfs_root *root,
66 struct btrfs_path *path, char
69 struct btrfs_dir_item *dir_item;
72 dir_item = btrfs_item_ptr(&path->nodes[0]->leaf, path->slots[0],
73 struct btrfs_dir_item);
74 if (btrfs_dir_name_len(dir_item) != name_len)
76 name_ptr = (char *)(dir_item + 1);
77 if (memcmp(name_ptr, name, name_len))