HelenOS sources

EXT4_SUPERBLOCK_OFFSET 1184 uspace/lib/ext4/src/superblock.c 	errno_t rc = block_read_bytes_direct(service_id, EXT4_SUPERBLOCK_OFFSET,
EXT4_SUPERBLOCK_OFFSET 1215 uspace/lib/ext4/src/superblock.c 	uint64_t first_block = EXT4_SUPERBLOCK_OFFSET / phys_block_size;