X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=os%2Fos-windows.h;h=e790a51322b3ce10b422c7c3894526cdba481036;hb=3342a4c721f398faf43c5e358b414d2d454ba0d8;hp=f7712a1794f59a8fb8216222fd6f835ce2c52958;hpb=63a582671fe6db03f0a0be81843f2b72bbc8ab33;p=fio.git

diff --git a/os/os-windows.h b/os/os-windows.h
index f7712a17..e790a513 100644
--- a/os/os-windows.h
+++ b/os/os-windows.h
@@ -22,6 +22,8 @@
 
 #define OS_CLOCK CLOCK_REALTIME
 
+#define FIO_PREFERRED_ENGINE	"windowsaio"
+
 typedef off_t off64_t;
 
 typedef struct {
@@ -36,8 +38,8 @@ static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
 	HANDLE hFile;
 
 	if (f->hFile == NULL) {
-		hFile = CreateFile(f->file_name, (GENERIC_READ | GENERIC_WRITE),
-			(FILE_SHARE_READ | FILE_SHARE_WRITE), NULL, OPEN_EXISTING, 0, NULL);
+		hFile = CreateFile(f->file_name, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
+				NULL, OPEN_EXISTING, 0, NULL);
 	} else {
 		hFile = f->hFile;
 	}