RE: nvme-pci: disable write zeros support on SSDs

[Rita Lin]

Dear Christoph,

Thank you for your advice.
Please find the updated patch in the attached file.

Rita Lin林萁煊
+886-37-586-896 Ext.80051
ritach_lin@xxxxxxxxxx


-----Original Message-----
From: Christoph Hellwig [mailto:hch@xxxxxx]
Sent: Thursday, September 22, 2022 1:53 PM
To: Rita Lin <ritach_lin@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>; Keith Busch <kbusch@xxxxxxxxxx>; Jens Axboe <axboe@xxxxxx>; Sagi Grimberg <sagi@xxxxxxxxxxx>; linux-nvme@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; ?晟? <redd_huang@xxxxxxxxxx>; Tina Hsu <tina_hsu@xxxxxxxxxx>; Vita Hsueh (薛伊倩) <Vita.Hsueh@xxxxxxxxxxxx>; Wang, Audrey <audrey.wang@xxxxxx>
Subject: Re: nvme-pci: disable write zeros support on SSDs

On Thu, Sep 22, 2022 at 05:50:52AM +0000, Rita Lin wrote:
> Dear Christoph,
>
> Thank you for your reply.
> These SSDs do support write 0 command and the function was tested without issue.
> But since these SSDs are DRAMless products, the write 0 command will take a lot longer to complete which had impacted the product performance.
> Due to the FW had been frozen, we would like to check if we could apply CL for these 2 products.

please add a comment explaining this to the IDs entry.


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Attachment: 0001-PATCH-Add-Phison-E3C-E4C-Disable-Write-Zero.patch
Description: 0001-PATCH-Add-Phison-E3C-E4C-Disable-Write-Zero.patch