REISERFS_DISK_OFFSET_IN_BYTES
if (! devread (REISERFS_DISK_OFFSET_IN_BYTES >> SECTOR_BITS, 0,
> REISERFS_DISK_OFFSET_IN_BYTES))
num_sectors = (REISERFS_DISK_OFFSET_IN_BYTES >> SECTOR_BITS) - 1;
int superblock = REISERFS_DISK_OFFSET_IN_BYTES >> SECTOR_BITS;
<= REISERFS_DISK_OFFSET_IN_BYTES))