Add verify_pattern option
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/options.c b/options.c
index 5a63f63..3112d65 100644
--- a/options.c
+++ b/options.c
@@ -8,6 +8,7 @@
#include "fio.h"
#include "parse.h"
+#include "fls.h"
#define td_var_offset(var) ((size_t) &((struct thread_options *)0)->var)
@@ -216,6 +217,24 @@
return 0;
}
+static int str_verify_pattern_cb(void *data, unsigned int *off)
+{
+ struct thread_data *td = data;
+ unsigned int msb;
+
+ msb = fls(*off);
+ if (msb <= 8)
+ td->o.verify_pattern_bytes = 1;
+ else if (msb <= 16)
+ td->o.verify_pattern_bytes = 2;
+ else if (msb <= 24)
+ td->o.verify_pattern_bytes = 3;
+ else
+ td->o.verify_pattern_bytes = 4;
+
+ td->o.verify_pattern = *off;
+ return 0;
+}
#define __stringify_1(x) #x
#define __stringify(x) __stringify_1(x)
@@ -631,6 +650,13 @@
.cb = str_verify_offset_cb,
},
{
+ .name = "verify_pattern",
+ .type = FIO_OPT_INT,
+ .cb = str_verify_pattern_cb,
+ .maxval = UINT_MAX,
+ .help = "Fill pattern for IO buffers",
+ },
+ {
.name = "write_iolog",
.type = FIO_OPT_STR_STORE,
.off1 = td_var_offset(write_iolog_file),