inotify: force inotify and fsnotify use same bits

inotify uses bits called IN_* and fsnotify uses bits called FS_*.  These
need to line up.  This patch adds build time checks to make sure noone can
change these bits so they are not the same.

Signed-off-by: Eric Paris <eparis@redhat.com>
diff --git a/include/linux/inotify.h b/include/linux/inotify.h
index b74f2ef..d33041e 100644
--- a/include/linux/inotify.h
+++ b/include/linux/inotify.h
@@ -73,6 +73,15 @@
 #ifdef __KERNEL__
 #include <linux/sysctl.h>
 extern struct ctl_table inotify_table[]; /* for sysctl */
+
+#define ALL_INOTIFY_BITS (IN_ACCESS | IN_MODIFY | IN_ATTRIB | IN_CLOSE_WRITE | \
+			  IN_CLOSE_NOWRITE | IN_OPEN | IN_MOVED_FROM | \
+			  IN_MOVED_TO | IN_CREATE | IN_DELETE | \
+			  IN_DELETE_SELF | IN_MOVE_SELF | IN_UNMOUNT | \
+			  IN_Q_OVERFLOW | IN_IGNORED | IN_ONLYDIR | \
+			  IN_DONT_FOLLOW | IN_EXCL_UNLINK | IN_MASK_ADD | \
+			  IN_ISDIR | IN_ONESHOT)
+
 #endif
 
 #endif	/* _LINUX_INOTIFY_H */