fanotify: Add pids to events

Pass the process identifiers of the triggering processes to fanotify
listeners: this information is useful for event filtering and logging.

Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: Eric Paris <eparis@redhat.com>

2 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/fanotify.h b/include/linux/fanotify.h
index c1c66162a46c..5f633af4d1b0 100644
--- a/include/linux/fanotify.h
+++ b/include/linux/fanotify.h
@@ -62,6 +62,7 @@ struct fanotify_event_metadata {
         __u32 vers;
         __s32 fd;
         __u64 mask;
+        __s64 pid;
 } __attribute__ ((packed));
 
 /* Helper functions to deal with fanotify_event_metadata buffers */
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index ff654c1932f2..7d93572ec568 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -221,6 +221,7 @@ struct fsnotify_event {
         u32 sync_cookie;        /* used to corrolate events, namely inotify mv events */
         char *file_name;
         size_t name_len;
+        struct pid *tgid;
 
         struct list_head private_data_list;     /* groups can store private data here */
 };