fsnotify: allow groups to set freeing_mark to null

Most fsnotify listeners (all but inotify) do not care about marks being
freed.  Allow groups to set freeing_mark to null and do not call any
function if it is set that way.

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

1 files changed, 1 insertions, 7 deletions

diff --git a/fs/notify/dnotify/dnotify.c b/fs/notify/dnotify/dnotify.c
index 98a751614c74..828a889be909 100644
--- a/fs/notify/dnotify/dnotify.c
+++ b/fs/notify/dnotify/dnotify.c
@@ -161,12 +161,6 @@ static bool dnotify_should_send_event(struct fsnotify_group *group,
         return send;
 }
 
-static void dnotify_freeing_mark(struct fsnotify_mark_entry *entry,
-                                 struct fsnotify_group *group)
-{
-        /* dnotify doesn't care than an inode is on the way out */
-}
-
 static void dnotify_free_mark(struct fsnotify_mark_entry *entry)
 {
         struct dnotify_mark_entry *dnentry = container_of(entry,
@@ -182,7 +176,7 @@ static struct fsnotify_ops dnotify_fsnotify_ops = {
         .handle_event = dnotify_handle_event,
         .should_send_event = dnotify_should_send_event,
         .free_group_priv = NULL,
-        .freeing_mark = dnotify_freeing_mark,
+        .freeing_mark = NULL,
         .free_event_priv = NULL,
 };