/* Get low bit set out of 32-bit argument, -1 if none set */
static inline int xfs_lowbit32(__uint32_t v)
{
- unsigned long t = v;
- return (v) ? find_first_bit(&t, 32) : -1;
+ return ffs(v) - 1;
}
/* Get low bit set out of 64-bit argument, -1 if none set */