fanotify: hooks the fanotify_mark syscall to the vfsmount code

Create a new fanotify_mark flag which indicates we should attach the mark
to the vfsmount holding the object referenced by dfd and pathname rather
than the inode itself.

Signed-off-by: Eric Paris <eparis@redhat.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/include/linux/fanotify.h b/include/linux/fanotify.h
index 5f633af4d1b0..e25d348188ca 100644
--- a/include/linux/fanotify.h
+++ b/include/linux/fanotify.h
@@ -29,11 +29,13 @@
 #define FAN_MARK_REMOVE         0x00000002
 #define FAN_MARK_DONT_FOLLOW    0x00000004
 #define FAN_MARK_ONLYDIR        0x00000008
+#define FAN_MARK_ON_VFSMOUNT    0x00000010
 
 #define FAN_ALL_MARK_FLAGS      (FAN_MARK_ADD |\
                                  FAN_MARK_REMOVE |\
                                  FAN_MARK_DONT_FOLLOW |\
-                                 FAN_MARK_ONLYDIR)
+                                 FAN_MARK_ONLYDIR |\
+                                 FAN_MARK_ON_VFSMOUNT)
 
 /*
  * All of the events - we build the list by hand so that we can add flags in