2 files changed, 41 insertions, 0 deletions

diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 2fc8e14cc24a..d5cca9a05f14 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -210,6 +210,7 @@ unifdef-y += ethtool.h
 unifdef-y += eventpoll.h
 unifdef-y += signalfd.h
 unifdef-y += ext2_fs.h
+unifdef-y += fanotify.h
 unifdef-y += fb.h
 unifdef-y += fcntl.h
 unifdef-y += filter.h
diff --git a/include/linux/fanotify.h b/include/linux/fanotify.h
new file mode 100644
index 000000000000..b560f86d1401
--- /dev/null
+++ b/include/linux/fanotify.h
@@ -0,0 +1,40 @@
+#ifndef _LINUX_FANOTIFY_H
+#define _LINUX_FANOTIFY_H
+
+#include <linux/types.h>
+
+/* the following events that user-space can register for */
+#define FAN_ACCESS              0x00000001      /* File was accessed */
+#define FAN_MODIFY              0x00000002      /* File was modified */
+#define FAN_CLOSE_WRITE         0x00000008      /* Unwrittable file closed */
+#define FAN_CLOSE_NOWRITE       0x00000010      /* Writtable file closed */
+#define FAN_OPEN                0x00000020      /* File was opened */
+
+#define FAN_EVENT_ON_CHILD      0x08000000      /* interested in child events */
+
+/* FIXME currently Q's have no limit.... */
+#define FAN_Q_OVERFLOW          0x00004000      /* Event queued overflowed */
+
+/* helper events */
+#define FAN_CLOSE               (FAN_CLOSE_WRITE | FAN_CLOSE_NOWRITE) /* close */
+
+/*
+ * All of the events - we build the list by hand so that we can add flags in
+ * the future and not break backward compatibility.  Apps will get only the
+ * events that they originally wanted.  Be sure to add new events here!
+ */
+#define FAN_ALL_EVENTS (FAN_ACCESS |\
+                        FAN_MODIFY |\
+                        FAN_CLOSE |\
+                        FAN_OPEN)
+
+/*
+ * All legal FAN bits userspace can request (although possibly not all
+ * at the same time.
+ */
+#define FAN_ALL_INCOMING_EVENTS (FAN_ALL_EVENTS |\
+                                 FAN_EVENT_ON_CHILD)
+#ifdef __KERNEL__
+
+#endif /* __KERNEL__ */
+#endif /* _LINUX_FANOTIFY_H */