From: Jens Axboe <jens.axboe@oracle.com>
Date: Thu, 15 Mar 2007 10:35:33 +0000 (+0100)
Subject: blockdev_invalidate_cache(): return -1 for error
X-Git-Tag: fio-1.15~90
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=a16211bb932067978f74606eb5d3f92e5227eee2

blockdev_invalidate_cache(): return -1 for error

This follows the normal system calls, and makes fio pickup errno
appropriately.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

diff --git a/os-linux.h b/os-linux.h
index 84919539..d3b2e931 100644
--- a/os-linux.h
+++ b/os-linux.h
@@ -124,10 +124,7 @@ enum {
 
 static inline int blockdev_invalidate_cache(int fd)
 {
-	if (!ioctl(fd, BLKFLSBUF))
-		return 0;
-
-	return errno;
+	return ioctl(fd, BLKFLSBUF);
 }
 
 static inline int blockdev_size(int fd, unsigned long long *bytes)