ffs_fragacct
ffs_fragacct(fs, blk, newcg->cg_frsum, 1);
ffs_fragacct(fs, blk, cgp->cg_frsum, -1);
ffs_fragacct(fs, blk, cgp->cg_frsum, 1);
void ffs_fragacct(struct fs *, int, int32_t[], int);
void ffs_fragacct(struct fs *, int, int32_t[], int);