btrfs_duplicate_item 2546 fs/btrfs/ctree.h int btrfs_duplicate_item(struct btrfs_trans_handle *trans, btrfs_duplicate_item 889 fs/btrfs/file.c ret = btrfs_duplicate_item(trans, root, path, btrfs_duplicate_item 1273 fs/btrfs/file.c ret = btrfs_duplicate_item(trans, root, path, &new_key);