/fs/notify/dnotify/Kconfig

 1config DNOTIFY
 2	bool "Dnotify support"
 3	select FSNOTIFY
 4	default y
 5	help
 6	  Dnotify is a directory-based per-fd file change notification system
 7	  that uses signals to communicate events to user-space.  There exist
 8	  superior alternatives, but some applications may still rely on
 9	  dnotify.
10
11	  If unsure, say Y.