X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=os%2Fos-mac.h;h=eb55cd7742fa4a7dee86e5122273f2a33362608c;hp=06ea462a8aba1f5cedbd5f0a11890681e895fa30;hb=173dbaa47e3a477db65aa9fb1932a33d87436994;hpb=3dee087cdd41c2d1e4f01cd66680a849609cfafd

diff --git a/os/os-mac.h b/os/os-mac.h
index 06ea462a..eb55cd77 100644
--- 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;