#include <errno.h>
#include <sys/sysctl.h>
+#include <sys/disk.h>
#define FIO_HAVE_POSIXAIO
#define FIO_HAVE_ODIRECT
-#define FIO_USE_GENERIC_BDEV_SIZE
#define FIO_USE_GENERIC_RAND
+#define FIO_HAVE_CHARDEV_SIZE
#define OS_MAP_ANON MAP_ANON
+typedef off_t off64_t;
+
+static inline int blockdev_size(int fd, unsigned long long *bytes)
+{
+ off_t size;
+
+ if (!ioctl(fd, DIOCGMEDIASIZE, &size)) {
+ *bytes = size;
+ return 0;
+ }
+
+ *bytes = 0;
+ return errno;
+}
+
+static inline int chardev_size(int fd, unsigned long long *bytes)
+{
+ return blockdev_size(fd, bytes);
+}
+
static inline int blockdev_invalidate_cache(int fd)
{
return EINVAL;