fs: rcu-walk aware d_revalidate method

[cascardo/linux.git] / include / linux / fanotify.h

diff --git a/include/linux/fanotify.h b/include/linux/fanotify.h
index 0f01214..6c6133f 100644 (file)
--- a/include/linux/fanotify.h
+++ b/include/linux/fanotify.h
@@ -83,11 +83,13 @@
                                 FAN_ALL_PERM_EVENTS |\
                                 FAN_Q_OVERFLOW)
 
-#define FANOTIFY_METADATA_VERSION      2
+#define FANOTIFY_METADATA_VERSION      3
 
 struct fanotify_event_metadata {
        __u32 event_len;
-       __u32 vers;
+       __u8 vers;
+       __u8 reserved;
+       __u16 metadata_len;
        __aligned_u64 mask;
        __s32 fd;
        __s32 pid;
@@ -96,11 +98,13 @@ struct fanotify_event_metadata {
 struct fanotify_response {
        __s32 fd;
        __u32 response;
-} __attribute__ ((packed));
+};
 
 /* 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))