Speedup verify random fills by 10-15x

[fio.git] / verify.c

diff --git a/verify.c b/verify.c
index 6b54b70ff672ffd3c75f7e0b3b72d35592c1e91c..265bd5563210bcb1db2cadd69c127e8f4c79869f 100644 (file)
--- a/verify.c
+++ b/verify.c
@@ -10,6 +10,7 @@
 #include "fio.h"
 #include "verify.h"
 #include "smalloc.h"
+#include "lib/rand.h"
 
 #include "crc/md5.h"
 #include "crc/crc64.h"
@@ -21,35 +22,12 @@
 #include "crc/sha512.h"
 #include "crc/sha1.h"
 
-static void fill_random_bytes(struct thread_data *td, void *p, unsigned int len)
-{
-       unsigned int todo;
-       int r;
-
-       while (len) {
-               r = os_random_long(&td->verify_state);
-
-               /*
-                * lrand48_r seems to be broken and only fill the bottom
-                * 32-bits, even on 64-bit archs with 64-bit longs
-                */
-               todo = sizeof(r);
-               if (todo > len)
-                       todo = len;
-
-               memcpy(p, &r, todo);
-
-               len -= todo;
-               p += todo;
-       }
-}
-
 static void fill_pattern(struct thread_data *td, void *p, unsigned int len)
 {
        switch (td->o.verify_pattern_bytes) {
        case 0:
                dprint(FD_VERIFY, "fill random bytes len=%u\n", len);
-               fill_random_bytes(td, p, len);
+               fill_random_buf(p, len);
                break;
        case 1:
                dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len);