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 1a0a8875fc090742212012356393ee5baacb283d..1d6714143125cd6b5600a8c39bcf3455f3f536ac 100644 (file)
--- a/os/os-mac.h
+++ b/os/os-mac.h
@@ -2,6 +2,7 @@
 #define FIO_OS_APPLE_H
 
 #include <errno.h>
 #define FIO_OS_APPLE_H
 
 #include <errno.h>

+#include <sys/disk.h>

 #include <sys/sysctl.h>
 #include <sys/time.h>
 #include <unistd.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_HAVE_POSIXAIO
 #define FIO_HAVE_CLOCK_MONOTONIC

-#define FIO_USE_GENERIC_BDEV_SIZE

 #define FIO_USE_GENERIC_RAND
 
 #define OS_MAP_ANON            MAP_ANON
 #define FIO_USE_GENERIC_RAND
 
 #define OS_MAP_ANON            MAP_ANON


@@ -107,6 +107,17 @@ static inline int timer_delete(timer_t timer)
        return 0;
 }
 
        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;
 static inline int blockdev_invalidate_cache(struct fio_file *f)
 {
        return EINVAL;