Messages in this thread |  | | Date | Wed, 3 Oct 2018 05:51:46 -0700 | From | Christoph Hellwig <> | Subject | Re: [PATCH] block: BFQ default for single queue devices |
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On Wed, Oct 03, 2018 at 07:42:15AM +0000, Damien Le Moal wrote: > Of note also is that host-managed like sequential zone devices are also likely > to show up soon with the work being done in the NVMe standard on the new "Zoned > namespace" feature proposal. These devices will also require a scheduler like > mq-deadline guaranteeing per-zone in-order delivery of sequential write > requests. Looking only at the number of queues of the device is not enough to > choose the best (most reasonnable/appropriate) scheduler.
We actually have a plan to avoid the need for a non-reordering scheduler there (including a Linux prototype for it). Lets see if it survives the committee.
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