[PATCH 2/3] fanotify: enable support for ignoring self generated events

[Jim Lieb <jlieb@panasas.com>]

Add FAN_IGNORE_ME flag definition to be identical to FS_IGNORE_ME.

Signed-off-by: Jim Lieb <jlieb@panasas.com>
---
 fs/notify/fanotify/fanotify_user.c | 5 +++--
 include/uapi/linux/fanotify.h      | 1 +
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index e44cb64..963a023 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -815,9 +815,10 @@ SYSCALL_DEFINE5(fanotify_mark, int, fanotify_fd, unsigned int, flags,
 	}
 
 #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
-	if (mask & ~(FAN_ALL_EVENTS | FAN_ALL_PERM_EVENTS | FAN_EVENT_ON_CHILD))
+	if (mask & ~(FAN_ALL_EVENTS | FAN_ALL_PERM_EVENTS |
+		     FAN_IGNORE_ME | FAN_EVENT_ON_CHILD))
 #else
-	if (mask & ~(FAN_ALL_EVENTS | FAN_EVENT_ON_CHILD))
+	if (mask & ~(FAN_ALL_EVENTS | FAN_IGNORE_ME | FAN_EVENT_ON_CHILD))
 #endif
 		return -EINVAL;
 
diff --git a/include/uapi/linux/fanotify.h b/include/uapi/linux/fanotify.h
index 030508d..93e9f09 100644
--- a/include/uapi/linux/fanotify.h
+++ b/include/uapi/linux/fanotify.h
@@ -17,6 +17,7 @@
 
 #define FAN_ONDIR		0x40000000	/* event occurred against dir */
 
+#define FAN_IGNORE_ME		0x00800000	/* do not send me events I caused */
 #define FAN_EVENT_ON_CHILD	0x08000000	/* interested in child events */
 
 /* helper events */
-- 
1.8.3.1