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From:   David Howells <dhowells@redhat.com>
In-Reply-To: <20210715033704.692967-67-willy@infradead.org>
References: <20210715033704.692967-67-willy@infradead.org> <20210715033704.692967-1-willy@infradead.org>
To:     "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc:     dhowells@redhat.com, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org, linux-fsdevel@vger.kernel.org,
        Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH v14 066/138] mm/writeback: Add __folio_end_writeback()
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Content-ID: <1812820.1628630166.1@warthog.procyon.org.uk>
Date:   Tue, 10 Aug 2021 22:16:06 +0100
Message-ID: <1812821.1628630166@warthog.procyon.org.uk>
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Matthew Wilcox (Oracle) <willy@infradead.org> wrote:

> test_clear_page_writeback() is actually an mm-internal function, although
> it's named as if it's a pagecache function.  Move it to mm/internal.h,
> rename it to __folio_end_writeback() and change the return type to bool.
> 
> The conversion from page to folio is mostly about accounting the number
> of pages being written back, although it does eliminate a couple of
> calls to compound_head().
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> Reviewed-by: Christoph Hellwig <hch@lst.de>

Reviewed-by: David Howells <dhowells@redhat.com>