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Subject: Re: [PATCH v10 23/33] mm/filemap: Add folio_wait_locked
To:     "Matthew Wilcox (Oracle)" <willy@infradead.org>,
        akpm@linux-foundation.org
Cc:     linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
        linux-kernel@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
        Jeff Layton <jlayton@kernel.org>
References: <20210511214735.1836149-1-willy@infradead.org>
 <20210511214735.1836149-24-willy@infradead.org>
From:   Vlastimil Babka <vbabka@suse.cz>
Message-ID: <59e67626-7f68-5154-1943-6cd1ab7515d6@suse.cz>
Date:   Tue, 18 May 2021 12:41:38 +0200
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On 5/11/21 11:47 PM, Matthew Wilcox (Oracle) wrote:
> Also add folio_wait_locked_killable().  Turn wait_on_page_locked()
> and wait_on_page_locked_killable() into wrappers.  This eliminates a
> call to compound_head() from each call-site, reducing text size by 200
> bytes for me.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> Acked-by: Jeff Layton <jlayton@kernel.org>


Acked-by: Vlastimil Babka <vbabka@suse.cz>

(and it fixes filemap.c to be compilable again)