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Date: Fri, 15 May 2026 06:37:57 +0200
From: Christoph Hellwig <hch@lst.de>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: kreijack@inwind.it, Goffredo Baroncelli <kreijack@libero.it>,
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	linux-raid@vger.kernel.org
Subject: Re: [PATCH 01/19] btrfs: require at least 4 devices for RAID 6
Message-ID: <20260515043757.GB3855@lst.de>
References: <20260512052230.2947683-1-hch@lst.de> <20260512052230.2947683-2-hch@lst.de> <20260512114231.GG2558453@suse.cz> <20260513054742.GA1018@lst.de> <0a8d1ff4-f5a2-49e9-aa45-d25dbe4ded40@libero.it> <0507CCEF-0548-442F-8703-1D006B5E068B@zytor.com>
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On Thu, May 14, 2026 at 12:57:53PM -0700, H. Peter Anvin wrote:
> That's what I'm saying – it should invoke the RAID-1 code under the
> cover (as with 3 disks, D = P = Q.)

Yes, if the btrfs maintainer cared for this setup that is what should
be done.