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Date:   Tue, 5 Apr 2022 22:55:58 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Matthew Wilcox <willy@infradead.org>
Cc:     dsterba@suse.cz, Linus Torvalds <torvalds@linux-foundation.org>,
        linux-kernel@vger.kernel.org, linux-mm@kvack.org,
        linux-fsdevel@vger.kernel.org
Subject: Re: [GIT PULL] Folio fixes for 5.18
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On Tue, Apr 05, 2022 at 03:22:09PM +0100, Matthew Wilcox wrote:
> On Tue, Apr 05, 2022 at 02:08:48PM +0200, David Sterba wrote:
> > Matthew, can you please always CC linux-btrfs@vger.kernel.org for any
> > patches that touch code under fs/btrfs? I've only noticed your folio
> > updates in this pull request. Some of the changes are plain API switch,
> > that's fine but I want to know about that, some changes seem to slightly
> > modify logic that I'd really like to review and there are several missed
> > opportunities to fix coding style. Thanks.
> 
> I'm sorry, that's an unreasonable request.  There's ~50 filesystems
> that use address_space_operations and cc'ing individual filesystems
> on VFS-wide changes isn't feaasible.

FYI, for these kinds of global API changes I tend to add all the
mainling lists, but drop the multiple maintainers that would blow this
up even futher.  But even that lead to occasional complaints.