Use specified compression/pattern for verify buffers too
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/lib/rand.c b/lib/rand.c
index e5332bf..618a2f0 100644
--- a/lib/rand.c
+++ b/lib/rand.c
@@ -117,12 +117,11 @@
}
}
-unsigned long fill_random_buf_percentage(struct frand_state *fs, void *buf,
- unsigned int percentage,
- unsigned int segment, unsigned int len,
- char *pattern, unsigned int pbytes)
+void __fill_random_buf_percentage(unsigned long seed, void *buf,
+ unsigned int percentage,
+ unsigned int segment, unsigned int len,
+ char *pattern, unsigned int pbytes)
{
- unsigned long r = __rand(fs);
unsigned int this_len;
if (percentage == 100) {
@@ -130,15 +129,12 @@
fill_pattern(buf, len, pattern, pbytes);
else
memset(buf, 0, len);
- return 0;
+ return;
}
if (segment > len)
segment = len;
- if (sizeof(int) != sizeof(long *))
- r *= (unsigned long) __rand(fs);
-
while (len) {
/*
* Fill random chunk
@@ -147,7 +143,7 @@
if (this_len > len)
this_len = len;
- __fill_random_buf(buf, this_len, r);
+ __fill_random_buf(buf, this_len, seed);
len -= this_len;
buf += this_len;
@@ -159,9 +155,23 @@
fill_pattern(buf, this_len, pattern, pbytes);
else
memset(buf, 0, this_len);
+
len -= this_len;
buf += this_len;
}
+}
+unsigned long fill_random_buf_percentage(struct frand_state *fs, void *buf,
+ unsigned int percentage,
+ unsigned int segment, unsigned int len,
+ char *pattern, unsigned int pbytes)
+{
+ unsigned long r = __rand(fs);
+
+ if (sizeof(int) != sizeof(long *))
+ r *= (unsigned long) __rand(fs);
+
+ __fill_random_buf_percentage(r, buf, percentage, segment, len,
+ pattern, pbytes);
return r;
}