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Date:   Fri, 25 Mar 2022 08:50:09 +0100
From:   Christoph Hellwig <hch@lst.de>
To:     Johannes Thumshirn <Johannes.Thumshirn@wdc.com>
Cc:     Christoph Hellwig <hch@lst.de>, Josef Bacik <josef@toxicpanda.com>,
        David Sterba <dsterba@suse.com>,
        Naohiro Aota <Naohiro.Aota@wdc.com>,
        "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
Subject: Re: btrfs zoned fixlets
Message-ID: <20220325075009.GA7096@lst.de>
References: <20220324165210.1586851-1-hch@lst.de> <PH0PR04MB74167494E27155CC7667BF969B1A9@PH0PR04MB7416.namprd04.prod.outlook.com>
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On Fri, Mar 25, 2022 at 07:35:57AM +0000, Johannes Thumshirn wrote:
> On 24/03/2022 17:55, Christoph Hellwig wrote:
> > Hi all,
> > 
> > this series fixes a minor and slightly less minor problem in the btrfs
> > zoned device code.  Note that for the second patch the comment might
> > not be correct any more - AFAICS 5.18 added support for the dup
> > profile for zoned devices, which means we do have a real issue now
> > if different devices have different hardware limitations.
> 
> It's not a problem, as a) DUP is not spanning multiple devices, but
> only used on one device and b) DUP is (as of now) only used on meta-data
> which can't use zone append.

Ok, in that case the comment that I wrote based on the 5.17-ish code
is still correct.