9d4ed6d46272 ("ublk: add helper to check if device supports user copy") 1172d5b8beca ("ublk: support user copy") 8284066946e6 ("ublk: grab request reference when the request is handled by userspace") f236a21459a5 ("ublk: cleanup io cmd code path by adding ublk_fill_io_cmd()") 29dc5d06613f ("ublk: kill queuing request by task_work_add") a3b111b046f6 ("Merge tag 'for-6.4/block-2023-05-06' of git://git.kernel.dk/linux")