fanotify: ignore events on directories unless specifically requested

[net-next-2.6.git] / fs / notify / fanotify / fanotify_user.c

diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index a7d9369482d59a0ec38825c98f21ed9b80358e86..ff1a908c97082572dc652088c0148a5f82bf1269 100644 (file)
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -570,6 +570,12 @@ static __u32 fanotify_mark_add_to_mask(struct fsnotify_mark *fsn_mark,
                if (flags & FAN_MARK_IGNORED_SURV_MODIFY)
                        fsn_mark->flags |= FSNOTIFY_MARK_FLAG_IGNORED_SURV_MODIFY;
        }
+
+       if (!(flags & FAN_MARK_ONDIR)) {
+               __u32 tmask = fsn_mark->ignored_mask | FAN_ONDIR;
+               fsnotify_set_mark_ignored_mask_locked(fsn_mark, tmask);
+       }
+
        spin_unlock(&fsn_mark->lock);
 
        return mask & ~oldmask;
@@ -766,6 +772,12 @@ SYSCALL_DEFINE(fanotify_mark)(int fanotify_fd, unsigned int flags,
        default:
                return -EINVAL;
        }
+
+       if (mask & FAN_ONDIR) {
+               flags |= FAN_MARK_ONDIR;
+               mask &= ~FAN_ONDIR;
+       }
+
 #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS
        if (mask & ~(FAN_ALL_EVENTS | FAN_ALL_PERM_EVENTS | FAN_EVENT_ON_CHILD))
 #else