ud_bump_ext_count
if ((error = ud_bump_ext_count(ip, KM_SLEEP)) != 0) {
if ((error = ud_bump_ext_count(ip, KM_SLEEP))
int32_t ud_bump_ext_count(struct ud_inode *, int32_t);
if ((error = ud_bump_ext_count(ip, KM_SLEEP)) != 0) {