SEGSUM_SIZE
sp->sum_bytes_left = lfs_sb_getsumsize(fs) - SEGSUM_SIZE(fs);
return (FINFO *)((char *)ssp + SEGSUM_SIZE(fs));
((FINFO *)((char *)(ssp) + SEGSUM_SIZE(fs)));
sp->sum_bytes_left = lfs_sb_getsumsize(fs) - SEGSUM_SIZE(fs);
(lfs_sb_getsumsize(fs) - SEGSUM_SIZE(fs))
maxbpp = ((lfs_sb_getsumsize(fs) - SEGSUM_SIZE(fs)) / sizeof(int32_t) + 2);