inotify: fix inotify oneshot support

During the large inotify rewrite to fsnotify I completely dropped support
for IN_ONESHOT.  Reimplement that support.

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

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/notify/inotify/inotify_fsnotify.c b/fs/notify/inotify/inotify_fsnotify.c
index daa666a6e6c9..388a150c3d4a 100644
--- a/fs/notify/inotify/inotify_fsnotify.c
+++ b/fs/notify/inotify/inotify_fsnotify.c
@@ -126,6 +126,9 @@ static int inotify_handle_event(struct fsnotify_group *group, struct fsnotify_ev
                         ret = 0;
         }
 
+        if (fsn_mark->mask & IN_ONESHOT)
+                fsnotify_destroy_mark(fsn_mark);
+
         /*
          * If we hold the fsn_mark until after the event is on the queue
          * IN_IGNORED won't be able to pass this event in the queue