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Merge branch 'server'
[fio.git]
/
hash.h
diff --git
a/hash.h
b/hash.h
index 93dd8318ffa11dcb4324ab5ec7622880506916fd..02b06140146b469abd05772406102fec845747fc 100644
(file)
--- a/
hash.h
+++ b/
hash.h
@@
-28,6
+28,8
@@
#error Define GOLDEN_RATIO_PRIME for your wordsize.
#endif
#error Define GOLDEN_RATIO_PRIME for your wordsize.
#endif
+#define GR_PRIME_64 0x9e37fffffffc0001ULL
+
static inline unsigned long __hash_long(unsigned long val)
{
unsigned long hash = val;
static inline unsigned long __hash_long(unsigned long val)
{
unsigned long hash = val;
@@
-60,6
+62,11
@@
static inline unsigned long hash_long(unsigned long val, unsigned int bits)
/* High bits are more random, so use them. */
return __hash_long(val) >> (BITS_PER_LONG - bits);
}
/* High bits are more random, so use them. */
return __hash_long(val) >> (BITS_PER_LONG - bits);
}
+
+static inline uint64_t __hash_u64(uint64_t val)
+{
+ return val * GR_PRIME_64;
+}
static inline unsigned long hash_ptr(void *ptr, unsigned int bits)
{
static inline unsigned long hash_ptr(void *ptr, unsigned int bits)
{