modified:   block/blk-core.c
	modified:   block/blk-settings.c
	modified:   block/blk.h
	modified:   include/linux/blkdev.h
Revert "block: Add support for reinsert a dispatched req"

This reverts commit 1399328e415f5e864d1d80f1f311f319b9efd15d.

	modified:   block/blk-core.c
	modified:   block/elevator.c
	modified:   include/linux/blkdev.h
	modified:   include/linux/elevator.h