X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=e2fsck%2Fflushb.c;h=c20755021301bd132ac8309fc78b330463b7397d;hb=204ae371ad2e038b41c03aba13d3a57e4e6921ec;hp=16389b2dabc3420ca9579e173200639b858af770;hpb=5ba23cb149f2ff629446fb8cb5f1012c05f7a4f4;p=tools%2Fe2fsprogs.git

diff --git a/e2fsck/flushb.c b/e2fsck/flushb.c
index 16389b2..c207550 100644
--- a/e2fsck/flushb.c
+++ b/e2fsck/flushb.c
@@ -3,24 +3,14 @@
  *
  * Copyright 1997, 2000, by Theodore Ts'o.
  * 
- * This program may be used under the provisions of the GNU Public
- * License, *EXCEPT* that a binary copy of the executable may not be
- * packaged as a part of binary package which is distributed as part
- * of a Linux distribution.  (Yes, this violates the Debian Free
- * Software Guidelines of restricting its field of use.  That's the
- * point.  I don't want this program being distributed in Debian,
- * because I don't care to support it, and the maintainer, Yann
- * Dirson, doesn't seem to pay attention to my wishes on this matter.
- * So I'm deliberately adding this clause so it violates the Debian
- * Free Software Guidelines to force him to take it out.  (What part
- * of THIS IS FOR MY OWN USE don't you understand?  And no, I'm going
- * to write a man page for it either.  And don't file a bug about it
- * or bug me about it.)  If this doesn't work, I'll have to remove it
- * from the upstream source distribution at the next release.  End of
- * Rant.  :-)
- * 
- * (BTW, use of flushb on some older 2.2 kernels on a heavily loaded
- * system will corrupt filesystems.)
+ * WARNING: use of flushb on some older 2.2 kernels on a heavily loaded
+ * system will corrupt filesystems.  This program is not really useful
+ * beyond for benchmarking scripts.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
  */
 
 #include <stdio.h>
@@ -29,11 +19,12 @@
 #include <stdlib.h>
 #include <fcntl.h>
 #include <sys/ioctl.h>
+#include <sys/mount.h>
 #include "../misc/nls-enable.h"
 
-/* For Linux/i386, define BLKFLSBUF */
-#if (!defined(BLKFLSBUF) && defined(__i386__))
-#define BLKFLSBUF  0x1261	/* flush buffer cache */
+/* For Linux, define BLKFLSBUF if necessary */
+#if (!defined(BLKFLSBUF) && defined(__linux__))
+#define BLKFLSBUF	_IO(0x12,97)	/* flush buffer cache */
 #endif
 
 const char *progname;