Update files to reduce dependance on kernel version...

 -Erik


git-svn-id: svn://busybox.net/trunk/busybox@779 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 10 insertions, 10 deletions

diff --git a/umount.c b/umount.c
index 61f7f9028..d790d68ff 100644
--- a/umount.c
+++ b/umount.c
@@ -26,20 +26,20 @@
 #include <stdio.h>
 #include <mntent.h>
 #include <errno.h>
+#include <sys/mount.h>
 #include <linux/unistd.h>
 
 
-//#include <sys/mount.h>
-/* Include our own version of sys/mount.h, since libc5 doesn't
- * know about umount2 */
-static _syscall1(int, umount, const char *, special_file);
-static _syscall2(int, umount2, const char *, special_file, int, flags);
-static _syscall5(int, mount, const char *, special_file, const char *, dir,
-                const char *, fstype, unsigned long int, rwflag, const void *, data);
+/* Include our own version of umount2 if we need it... */
+#ifndef __NR_umount2
+#define __NR_umount2           52
 #define MNT_FORCE               1
-#define MS_MGC_VAL              0xc0ed0000              /* Magic flag number to indicate "new" flags */
-#define MS_REMOUNT              32                              /* Alter flags of a mounted FS.  */
-#define MS_RDONLY               1                               /* Mount read-only.  */
+#define MS_MGC_VAL              0xc0ed0000 /* Magic number indicatng "new" flags */
+#define MS_REMOUNT              32      /* Alter flags of a mounted FS.  */
+#define MS_RDONLY               1       /* Mount read-only.  */
+
+#endif
+static _syscall2(int, umount2, const char *, special_file, int, flags);
 
 
 static const char umount_usage[] =