Function bitpos

freebsd/kern/subr_blist.c:207–223

}

static inline int
bitpos(u_daddr_t mask)
{

	switch (sizeof(mask)) {
#ifdef HAVE_INLINE_FFSLL
	case sizeof(long long):
		return (ffsll(mask) - 1);
#endif
#ifdef HAVE_INLINE_FFS
	case sizeof(int):
		return (ffs(mask) - 1);
#endif
	default:
		return (generic_bitpos(mask));
	}
}

/*
 * blist_create() - create a blist capable of handling up to the specified