mmc: block: do not pack REQ_FUA request

This change will prevent packing of a request marked with REQ_FUA flag,
because it has the same semantics as REQ_FLUSH. Also packing statistics are
updated with FUA stop reason.

Change-Id: Iaad37044ec43f93e898ed0c011b0bce7b91ae13d
Signed-off-by: Konstantin Dorfman <kdorfman@codeaurora.org>
3 files changed