On Thu, Mar 26, 2020 at 01:30:12PM +0900, Damien Le Moal wrote: > Similarly to the zone write pointer reset operation (REQ_OP_ZONE_RESET), > the zone open, close and finish operations can operate on all zones of a > ZBC or ZAC SMR disk by setting the all bit of the command. Compared to a > loop issuing a request for every zone of the device, the device based > processing of an all zone operation is several orders of magnitude > faster. What is the point? None of these actually seem like remotely useful operations. Why would I ever want to open or finish all zones?
