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Date:   Wed, 15 Jun 2022 07:49:09 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Bart Van Assche <bvanassche@acm.org>
Cc:     Damien Le Moal <damien.lemoal@opensource.wdc.com>,
        Jens Axboe <axboe@kernel.dk>, linux-block@vger.kernel.org,
        Christoph Hellwig <hch@lst.de>,
        Damien Le Moal <damien.lemoal@wdc.com>,
        "Martin K . Petersen" <martin.petersen@oracle.com>,
        Khazhy Kumykov <khazhy@google.com>,
        Jaegeuk Kim <jaegeuk@kernel.org>
Subject: Re: [PATCH 2/5] scsi: Retry unaligned zoned writes
Message-ID: <20220615054909.GA22044@lst.de>
References: <20220614174943.611369-1-bvanassche@acm.org> <20220614174943.611369-3-bvanassche@acm.org> <399e595b-06d2-ceb1-1b42-2a98a7724320@opensource.wdc.com> <29a13708-56b1-60e8-558a-ec4a469eaa6d@acm.org>
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On Tue, Jun 14, 2022 at 04:56:52PM -0700, Bart Van Assche wrote:
> The performance penalty of zone locking is not acceptable for our use case. 
> Does this mean that zone locking needs to be preserved for AHCI but not for 
> UFS?

It means you use case needs to use zone append, and we need to make sure
it is added to SCSI assuming your are on SCSI based on your other comments.