diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index b427122cb71a..a609c0abbdd0 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -280,10 +280,16 @@ out:
 		return count;
 	}
 
-	*ui = t;
 
-	if (!strcmp(a->attr.name, "iostat_enable") && *ui == 0)
-		f2fs_reset_iostat(sbi);
+	if (!strcmp(a->attr.name, "iostat_enable")) {
+		sbi->iostat_enable = !!t;
+		if (!sbi->iostat_enable)
+			f2fs_reset_iostat(sbi);
+		return count;
+	}
+
+	*ui = (unsigned int)t;
+
 	return count;
 }