Make raw disk size detection work on OSX

[fio.git] / os / os-mac.h

diff --git a/os/os-mac.h b/os/os-mac.h
index 06ea462a8aba1f5cedbd5f0a11890681e895fa30..eb55cd7742fa4a7dee86e5122273f2a33362608c 100644 (file)
--- a/os/os-mac.h
+++ b/os/os-mac.h
@@ -24,6 +24,7 @@
 #define FIO_HAVE_CLOCK_MONOTONIC
 #define FIO_USE_GENERIC_RAND
 #define FIO_HAVE_GETTID
+#define FIO_HAVE_CHARDEV_SIZE
 
 #define OS_MAP_ANON            MAP_ANON
 
@@ -135,6 +136,19 @@ static inline int blockdev_size(struct fio_file *f, unsigned long long *bytes)
     return 0;
 }
 
+static inline int chardev_size(struct fio_file *f, unsigned long long *bytes)
+{
+       /*
+        * Could be a raw block device, this is better than just assuming
+        * we can't get the size at all.
+        */
+       if (!blockdev_size(f, bytes))
+               return 0;
+
+       *bytes = -1ULL;
+       return 0;
+}
+
 static inline int blockdev_invalidate_cache(struct fio_file *f)
 {
        return EINVAL;