06eb061f4859 ("dm mpath: requeue after a small delay if blk_get_request() fails")
eb8db831be80 ("dm: always defer request allocation to the owner of the request_queue")
4bf58435fae3 ("dm: remove incomplete BLOCK_PC support")
5ea708d15a92 ("block: simplify blk_init_allocated_queue")
775a2e29c3bb ("Merge tag 'dm-4.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm")