On 6/25/22 02:25, Christoph Hellwig wrote:
On Fri, Jun 24, 2022 at 09:45:54AM -0700, Bart Van Assche wrote:
I have not yet seen any UFSHCI 4.0 implementation. The upstream UFSHCI
driver does not yet support it either.
Hence the choice to add support to the null_blk driver for setting the
QUEUE_FLAG_PIPELINE_ZONED_WRITES flag.
Also I don't think UFS even supports zoned devices as is?
The following ballot has been approved about two weeks ago and is on its
way to become a standard:
https://www.jedec.org/members/documents/84467/download (file name:
Zoned_Storage_for_UFS_Ballot_v3; only JEDEC members have permission to
download this document).
> Either way> without an in-tree driver for actually useful and
existing hardware
we should not add extra code to the block layer.
There is a zoned NVMe SSD in my workstation. How about adding support
for zoned NVMe SSDs in this patch series?
Thanks,
Bart.
