On Wed, Mar 21, 2018 at 08:32:28AM +0100, Christoph Hellwig wrote: > With the current aio code there is no need for the magic KIOCB_CANCELLED > value, as a cancelation just kicks the driver to queue the completion > ASAP, with all actual completion handling done in another thread. Given > that both the completion path and cancelation take the context lock there > is no need for magic cmpxchg loops either. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> > Acked-by: Jeff Moyer <jmoyer@xxxxxxxxxx> Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>