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Date:   Wed, 17 Mar 2021 18:29:05 +0100
From:   Christoph Hellwig <hch@infradead.org>
To:     "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc:     linux-mm@kvack.org, linux-kernel@vger.kernel.org,
        linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH v4 15/25] mm/filemap: Convert lock_page_async to
 lock_folio_async
Message-ID: <YFI8YU9Hmitq/HwT@infradead.org>
References: <20210305041901.2396498-1-willy@infradead.org>
 <20210305041901.2396498-16-willy@infradead.org>
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On Fri, Mar 05, 2021 at 04:18:51AM +0000, Matthew Wilcox (Oracle) wrote:
> There aren't any actual callers of lock_page_async(), but convert
> filemap_update_page() to call __lock_folio_async().

So please just kill lock_page_async first and mark __lock_page_async
static.  Then only update __lock_page_async to work on a folio.