man/man?/fanotify*: Document FAN_PRE_ACCESS event

man/man?/fanotify*: Document FAN_PRE_ACCESS event

The new FAN_PRE_ACCESS events are created before access to a file range,
to provides an opportunity for the event listener to modify the content
of the object before the user can accesss it.

Those events are available for group in class FAN_CLASS_PRE_CONTENT
They are reported with FAN_EVENT_INFO_TYPE_RANGE info record.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Message-ID: <20250330125536.1408939-1-amir73il@gmail.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>