#include <linux/module.h> #include "ctree.h" #include "disk-io.h" #include "transaction.h" int btrfs_insert_inode(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 objectid, struct btrfs_inode_item *inode_item) { struct btrfs_path path; struct btrfs_key key; int ret; key.objectid = objectid; key.flags = 0; btrfs_set_key_type(&key, BTRFS_INODE_ITEM_KEY); key.offset = 0; btrfs_init_path(&path); ret = btrfs_insert_item(trans, root, &key, inode_item, sizeof(*inode_item)); btrfs_release_path(root, &path); return ret; } int btrfs_lookup_inode(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path, u64 objectid, int mod) { struct btrfs_key key; int ins_len = mod < 0 ? -1 : 0; int cow = mod != 0; key.objectid = objectid; key.flags = 0; btrfs_set_key_type(&key, BTRFS_INODE_ITEM_KEY); key.offset = 0; return btrfs_search_slot(trans, root, &key, path, ins_len, cow); }