linux-kernel - Re: [PATCH v8 00/11] support non power of 2 zoned device

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Message-ID: <6ac6c0b3-ca3a-27da-0b8f-b4c39671bdab@acm.org>
Date:   Thu, 28 Jul 2022 06:30:16 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Pankaj Raghav <p.raghav@...sung.com>,
        damien.lemoal@...nsource.wdc.com, hch@....de, axboe@...nel.dk,
        snitzer@...nel.org, Johannes.Thumshirn@....com
Cc:     matias.bjorling@....com, gost.dev@...sung.com,
        linux-kernel@...r.kernel.org, hare@...e.de,
        linux-block@...r.kernel.org, pankydev8@...il.com,
        jaegeuk@...nel.org, dm-devel@...hat.com,
        linux-nvme@...ts.infradead.org
Subject: Re: [PATCH v8 00/11] support non power of 2 zoned device

On 7/28/22 04:57, Pankaj Raghav wrote:
> Hi Bart,
> 
> On 2022-07-28 01:19, Bart Van Assche wrote:
>> On 7/27/22 09:22, Pankaj Raghav wrote:
>>> This series adds support to npo2 zoned devices in the block and nvme
>>> layer and a new **dm target** is added: dm-po2z-target. This new
>>> target will be initially used for filesystems such as btrfs and
>>> f2fs that does not have native npo2 zone support.
>>
>> Should any SCSI changes be included in this patch series? From sd_zbc.c:
>>
>>      if (!is_power_of_2(zone_blocks)) {
>>          sd_printk(KERN_ERR, sdkp,
>>                "Zone size %llu is not a power of two.\n",
>>                zone_blocks);
>>          return -EINVAL;
>>      }
>>
> I would keep these changes out of the current patch series because it
> will also increase the test scope. I think once the block layer
> constraint is removed as a part of this series, we can work on the SCSI
> changes in the next cycle.

That's fine with me.

Thanks,

Bart.