inode-item.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include "kerncompat.h"
   4 #include "radix-tree.h"
   5 #include "ctree.h"
   6 #include "disk-io.h"
   7 #include "transaction.h"
   8
   9 int btrfs_insert_inode(struct btrfs_trans_handle *trans, struct btrfs_root
  10                        *root, u64 objectid, struct btrfs_inode_item
  11                        *inode_item)
  12 {
  13         struct btrfs_path path;
  14         struct btrfs_key key;
  15         int ret;
  16         key.objectid = objectid;
  17         key.flags = 0;
  18         btrfs_set_key_type(&key, BTRFS_INODE_ITEM_KEY);
  19         key.offset = 0;
  20
  21         btrfs_init_path(&path);
  22         ret = btrfs_insert_item(trans, root, &key, inode_item,
  23                                 sizeof(*inode_item));
  24         btrfs_release_path(root, &path);
  25         return ret;
  26 }
  27
  28 int btrfs_lookup_inode(struct btrfs_trans_handle *trans, struct btrfs_root
  29                        *root, struct btrfs_path *path, u64 objectid, int mod)
  30 {
  31         struct btrfs_key key;
  32         int ins_len = mod < 0 ? -1 : 0;
  33         int cow = mod != 0;
  34
  35         key.objectid = objectid;
  36         key.flags = 0;
  37         btrfs_set_key_type(&key, BTRFS_INODE_ITEM_KEY);
  38         key.offset = 0;
  39         return btrfs_search_slot(trans, root, &key, path, ins_len, cow);
  40 }