On Tue, Aug 18, 2020 at 12:46 PM Christoph Hellwig <h...@lst.de> wrote: > > On Tue, Aug 18, 2020 at 10:59:35AM +0530, Kanchan Joshi wrote: > > Set elevator feature ELEVATOR_F_ZBD_SEQ_WRITE required for ZNS. > > No, it is not.
Are you saying MQ-Deadline (write-lock) is not needed for writes on ZNS? I see that null-block zoned and SCSI-ZBC both set this requirement. I wonder how it became different for NVMe. -- Kanchan