get_fid
while (get_fid(dinode, buf, off) == 0) {
while (get_fid(in, buf, off) == 0) {
while (get_fid(d_in, buf, off) == 0) {
int32_t get_fid(uint32_t, uint8_t *, uint64_t);
while (get_fid(i_addr >> l2b, buf, off) == 0) {
while (get_fid(i_addr >> l2b, buf, off) == 0) {