filename_linkat
return filename_linkat(AT_FDCWD, old, AT_FDCWD, new, 0);
int filename_linkat(int olddfd, struct filename *old, int newdfd,
return filename_linkat(olddfd, old, newdfd, new, flags);
return filename_linkat(AT_FDCWD, old, AT_FDCWD, new, 0);
ret = filename_linkat(lnk->old_dfd, old, lnk->new_dfd, new, lnk->flags);