EXT4_IND_BLOCK
#define EXT4_DIND_BLOCK (EXT4_IND_BLOCK + 1)
nr = i_data[EXT4_IND_BLOCK];
i_data[EXT4_IND_BLOCK] = 0;
case EXT4_IND_BLOCK:
nr = i_data[EXT4_IND_BLOCK];
i_data[EXT4_IND_BLOCK] = 0;
case EXT4_IND_BLOCK:
offsets[n++] = EXT4_IND_BLOCK;
i_data[0] = ei->i_data[EXT4_IND_BLOCK];
if (i_data[EXT4_IND_BLOCK]) {
le32_to_cpu(i_data[EXT4_IND_BLOCK]), &lb);