From: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Date: Wed, 24 Nov 2010 17:22:09 +0000 (+0100)
Subject: fanotify: Introduce FAN_NOFD
X-Git-Tag: firefly_0821_release~7613^2~3229^2~3
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e9a3854fd4ff3907e6c200a3980e19365ee695e9;p=firefly-linux-kernel-4.4.55.git

fanotify: Introduce FAN_NOFD

FAN_NOFD is used in fanotify events that do not provide an open file
descriptor (like the overflow_event).

Signed-off-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: Eric Paris <eparis@redhat.com>
---

diff --git a/include/linux/fanotify.h b/include/linux/fanotify.h
index bdbf9bb29b54..c73224315aee 100644
--- a/include/linux/fanotify.h
+++ b/include/linux/fanotify.h
@@ -101,6 +101,8 @@ struct fanotify_response {
 /* Legit userspace responses to a _PERM event */
 #define FAN_ALLOW	0x01
 #define FAN_DENY	0x02
+/* No fd set in event */
+#define FAN_NOFD	-1
 
 /* Helper functions to deal with fanotify_event_metadata buffers */
 #define FAN_EVENT_METADATA_LEN (sizeof(struct fanotify_event_metadata))