s_toobig_block 322 fs/sysv/super.c sbi->s_toobig_block = 10 + bsize_4 * (1 + bsize_4 * (1 + bsize_4)); s_toobig_block 32 fs/sysv/sysv.h unsigned int s_toobig_block; /* 10 + ipb + ipb^2 + ipb^3 */