[PATCH] Drop useless bio passing in may_queue/set_request API

It's not needed for anything, so kill the bio passing.

Signed-off-by: Jens Axboe <axboe@suse.de>

diff --cc block/as-iosched.c
Simple merge

diff --cc block/cfq-iosched.c
Simple merge

diff --cc block/elevator.c
Simple merge

diff --cc block/ll_rw_blk.c
Simple merge

diff --cc include/linux/elevator.h
Simple merge