From: Jens Axboe <jaxboe@fusionio.com>
Date: Thu, 14 Jul 2011 07:12:50 +0000 (+0200)
Subject: Make raw disk size detection work on OSX
X-Git-Tag: fio-1.57~3
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=b42ffd195f4f4263cef197a0c3d22e6937c7580f

Make raw disk size detection work on OSX

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
---

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;