Make kb_base apply to parser k/m/g etc values

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/options.c b/options.c
index c273da7..bd7a85e 100644
--- a/options.c
+++ b/options.c
@@ -15,6 +15,8 @@
 #include "parse.h"
 #include "lib/fls.h"
 
+unsigned int fio_kb_base = 1024;
+
 #define td_var_offset(var)	((size_t) &((struct thread_options *)0)->var)
 
 /*
@@ -637,6 +639,7 @@
 		return 1;
 	}
 
+	fio_kb_base = td->o.kb_base;
 	return 0;
 }
 
@@ -678,9 +681,10 @@
 		.name	= "kb_base",
 		.type	= FIO_OPT_INT,
 		.off1	= td_var_offset(kb_base),
-		.help	= "How many bytes per KB for reporting (1000 or 1024)",
 		.verify	= kb_base_verify,
+		.prio	= 1,
 		.def	= "1024",
+		.help	= "How many bytes per KB for reporting (1000 or 1024)",
 	},
 	{
 		.name	= "lockfile",
diff --git a/parse.c b/parse.c
index 2a49b63..0bf28a5 100644
--- a/parse.c
+++ b/parse.c
@@ -14,6 +14,7 @@
 #include "debug.h"
 
 static struct fio_option *fio_options;
+extern unsigned int fio_kb_base;
 
 static int vp_cmp(const void *p1, const void *p2)
 {
@@ -114,25 +115,30 @@
 
 static unsigned long long get_mult_bytes(char c)
 {
+	unsigned long long ret = 1;
+
 	switch (c) {
-	case 'k':
-	case 'K':
-		return 1024;
-	case 'm':
-	case 'M':
-		return 1024 * 1024;
-	case 'g':
-	case 'G':
-		return 1024 * 1024 * 1024;
-	case 't':
-	case 'T':
-		return 1024 * 1024 * 1024 * 1024UL;
+	default:
+		break;
 	case 'p':
 	case 'P':
-		return 1024 * 1024 * 1024 * 1024ULL * 1024ULL;
-	default:
-		return 1;
+		ret *= (unsigned long long) fio_kb_base;
+	case 't':
+	case 'T':
+		ret *= (unsigned long long) fio_kb_base;
+	case 'g':
+	case 'G':
+		ret *= (unsigned long long) fio_kb_base;
+	case 'm':
+	case 'M':
+		ret *= (unsigned long long) fio_kb_base;
+	case 'k':
+	case 'K':
+		ret *= (unsigned long long) fio_kb_base;
+		break;
 	}
+
+	return ret;
 }
 
 /*