IN_ISDIR
mask &= ~IN_ISDIR;
return mask & (IN_ALL_EVENTS | IN_ISDIR | IN_UNMOUNT | IN_IGNORED |
BUILD_BUG_ON(IN_ISDIR != FS_ISDIR);
IN_MASK_CREATE | IN_ISDIR | IN_ONESHOT)
!(event->mask & IN_ISDIR)) {