siphash_1u64
ci->ci_hashed_ino = (u32)siphash_1u64(ci->ci_inode->i_ino,
u64 siphash_1u64(const u64 a, const siphash_key_t *key);
return siphash_1u64((u64)b << 32 | a, key);
return siphash_1u64(le64_to_cpu(data[0]), key);
EXPORT_SYMBOL(siphash_1u64);
chk(siphash_1u64(0x0706050403020100ULL, &test_key_siphash),
hashval = (unsigned long)siphash_1u64((u64)ptr, &ptr_key);