os-mac.h: implement blockdev_size()
Signed-off-by: Steven Noonan <snoonan@amazon.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/os/os-mac.h b/os/os-mac.h
index 1a0a887..1d67141 100644
--- a/os/os-mac.h
+++ b/os/os-mac.h
@@ -2,6 +2,7 @@
#define FIO_OS_APPLE_H
#include <errno.h>
+#include <sys/disk.h>
#include <sys/sysctl.h>
#include <sys/time.h>
#include <unistd.h>
@@ -19,7 +20,6 @@
#define FIO_HAVE_POSIXAIO
#define FIO_HAVE_CLOCK_MONOTONIC
-#define FIO_USE_GENERIC_BDEV_SIZE
#define FIO_USE_GENERIC_RAND
#define OS_MAP_ANON MAP_ANON
@@ -107,6 +107,17 @@
return 0;
}
+static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
+{
+ uint64_t temp = 1;
+ if (ioctl(f->fd, DKIOCGETBLOCKCOUNT, bytes) == -1)
+ return errno;
+ if (ioctl(f->fd, DKIOCGETBLOCKSIZE, &temp) == -1)
+ return errno;
+ (*bytes) *= temp;
+ return 0;
+}
+
static inline int blockdev_invalidate_cache(struct fio_file *f)
{
return EINVAL;