On Wed, 2018-10-03 at 05:51 -0700, Christoph Hellwig wrote: +AD4 On Wed, Oct 03, 2018 at 07:42:15AM +-0000, Damien Le Moal wrote: +AD4 +AD4 Of note also is that host-managed like sequential zone devices are also likely +AD4 +AD4 to show up soon with the work being done in the NVMe standard on the new +ACI-Zoned +AD4 +AD4 namespace+ACI feature proposal. These devices will also require a scheduler like +AD4 +AD4 mq-deadline guaranteeing per-zone in-order delivery of sequential write +AD4 +AD4 requests. Looking only at the number of queues of the device is not enough to +AD4 +AD4 choose the best (most reasonnable/appropriate) scheduler. +AD4 +AD4 We actually have a plan to avoid the need for a non-reordering scheduler +AD4 there (including a Linux prototype for it). Lets see if it survives the +AD4 committee. Has the work with the T10 committee to standardize the SCSI equivalent of anonymous writes already started? Thanks, Bart.
