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If a cmd is on the submission workqueue then the TMR code will miss it, and end up returning task not found or success for LUN resets. The fabric driver might then tell the initiator that the running cmds have been handled when they are about to run. This adds a flush when we are processing TMRs to make sure queued cmds do not run after returning the TMR response. Link: https://lore.kernel.org/r/20210227170006.5077-25-michael.christie@oracle.com Tested-by: Laurence Oberman <loberman@redhat.com> Reviewed-by: Bodo Stroesser <bostroesser@gmail.com> Signed-off-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>