More cleanup on umount

 -Erik


git-svn-id: svn://busybox.net/trunk/busybox@780 69ca8d6d-28ef-0310-b511-8ec308f3f277

1 files changed, 17 insertions, 5 deletions

diff --git a/util-linux/umount.c b/util-linux/umount.c
index d790d68ff..4f6edc2e5 100644
--- a/util-linux/umount.c
+++ b/util-linux/umount.c
@@ -26,20 +26,32 @@
 #include <stdio.h>
 #include <mntent.h>
 #include <errno.h>
-#include <sys/mount.h>
 #include <linux/unistd.h>
 
 
-/* Include our own version of umount2 if we need it... */
-#ifndef __NR_umount2
-#define __NR_umount2           52
+#ifndef MNT_FORCE
 #define MNT_FORCE               1
+#endif
+#ifndef MS_MGC_VAL
 #define MS_MGC_VAL              0xc0ed0000 /* Magic number indicatng "new" flags */
+#endif
+#ifndef MS_REMOUNT
 #define MS_REMOUNT              32      /* Alter flags of a mounted FS.  */
+#endif
+#ifndef MS_RDONLY
 #define MS_RDONLY               1       /* Mount read-only.  */
-
 #endif
+#ifndef __NR_umount2
+#define __NR_umount2           52
+#endif
+
+/* 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);
+
 
 
 static const char umount_usage[] =