X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=options.c;h=3112d65e5297f5fb66902c2c237abf7adf832ed6;hp=01d23865a968952606006e3a57dd3e3a21d323d5;hb=90059d65bde4804e4da07401ad6902c1d956b592;hpb=819a968068aae65bca68ddc7805c01669707b880

diff --git a/options.c b/options.c
index 01d23865..3112d65e 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)
 
@@ -203,17 +204,37 @@ static int str_opendir_cb(void *data, const char fio_unused *str)
 	return add_dir_files(td, td->o.opendir);
 }
 
-static int str_header_offset_cb(void *data, unsigned int *off)
+static int str_verify_offset_cb(void *data, unsigned int *off)
 {
 	struct thread_data *td = data;
+
 	if (*off && *off < sizeof(struct verify_header)) {
-		log_err("fio: header_offset too small\n");
+		log_err("fio: verify_offset too small\n");
 		return 1;
 	}
-	td->o.header_offset = *off;
+
+	td->o.verify_offset = *off;
 	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)
@@ -615,18 +636,25 @@ static struct fio_option options[] = {
 		.def	= "1",
 	},
 	{
-		.name   = "header_interval",
+		.name   = "verify_interval",
 		.type   = FIO_OPT_STR_VAL_INT,
-		.off1   = td_var_offset(header_interval),
+		.off1   = td_var_offset(verify_interval),
 		.minval	= 2 * sizeof(struct verify_header),
-		.help   = "Store buffer header every N bytes",
+		.help   = "Store verify buffer header every N bytes",
 	},
 	{
-		.name	= "header_offset",
+		.name	= "verify_offset",
 		.type	= FIO_OPT_STR_VAL_INT,
-		.help	= "Offset header location by N bytes",
+		.help	= "Offset verify header location by N bytes",
 		.def	= "0",
-		.cb	= str_header_offset_cb,	
+		.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",