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Date:   Tue, 14 Mar 2023 07:12:57 +0100
From:   Christoph Hellwig <hch@lst.de>
To:     Qu Wenruo <quwenruo.btrfs@gmx.com>
Cc:     Christoph Hellwig <hch@lst.de>, Chris Mason <clm@fb.com>,
        Josef Bacik <josef@toxicpanda.com>,
        David Sterba <dsterba@suse.com>, linux-btrfs@vger.kernel.org
Subject: Re: [PATCH 17/20] btrfs: don't check for uptodate pages in
 read_extent_buffer_pages
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References: <20230309090526.332550-1-hch@lst.de> <20230309090526.332550-18-hch@lst.de> <fa92c65c-fb11-938a-20a0-4e0d7965b3f3@gmx.com>
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On Fri, Mar 10, 2023 at 05:08:17PM +0800, Qu Wenruo wrote:
> Can we rely completely on EXTENT_BUFFER_UPTODATE flag and getting rid of 
> PateUptodate for metadata?

I looked into this a bit, and think without stopping to use the
page cache entirely (which I want to get to eventually) this causes
more trouble than it solves.  So I've skipped it for this series,
but eventually there will be another round of massive simplifications
here.