misc/io: io_unregister removes all IOs of that name
misc/io: io_unregister removes all IOs of that name

mrirecon/bart,sdimoudi/bart,mrirecon/bart,mrirecon/bart,mrirecon/bart,sidward/bart,sdimoudi/bart,sidward/bart,sidward/bart,mrirecon/bart,sdimoudi/bart,sidward/bart,sidward/bart,sdimoudi/bart,sdimoudi/bart