DCACHE_FSNOTIFY_PARENT_WATCHED 291 include/linux/fsnotify_backend.h dentry->d_flags |= DCACHE_FSNOTIFY_PARENT_WATCHED; DCACHE_FSNOTIFY_PARENT_WATCHED 293 include/linux/fsnotify_backend.h dentry->d_flags &= ~DCACHE_FSNOTIFY_PARENT_WATCHED;