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Date:   Thu, 22 Sep 2022 07:52:31 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Rita Lin <ritach_lin@phison.com>
Cc:     Christoph Hellwig <hch@lst.de>, Keith Busch <kbusch@kernel.org>,
        Jens Axboe <axboe@fb.com>, Sagi Grimberg <sagi@grimberg.me>,
        "linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
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        =?utf-8?B?77+9U+aZn++/vXw=?= <redd_huang@phison.com>,
        Tina Hsu <tina_hsu@phison.com>,
        Vita Hsueh =?utf-8?B?KOiWm+S8iuWAqSk=?= 
        <Vita.Hsueh@quantatw.com>, "Wang, Audrey" <audrey.wang@hp.com>
Subject: Re: nvme-pci: disable write zeros support on SSDs
Message-ID: <20220922055231.GA27560@lst.de>
References: <36fd82e8780742c2881f078f98110e5e@ExMBX2.phison.com> <20220922053137.GA27191@lst.de> <53e4a6192bf746af839d8da90917a248@ExMBX2.phison.com>
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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.