FAN_EVENT_METADATA_LEN  112 include/uapi/linux/fanotify.h #define FAN_EVENT_OK(meta, len)	((long)(len) >= (long)FAN_EVENT_METADATA_LEN && \
FAN_EVENT_METADATA_LEN  113 include/uapi/linux/fanotify.h 				(long)(meta)->event_len >= (long)FAN_EVENT_METADATA_LEN && \