linux-kernel - Re: [PATCH 34/75] mm/vmscan: Turn page_check_dirty_writeback() into folio_check_dirty

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Message-ID: <YgDPmt0M1BZCCrFn@infradead.org>
Date:   Sun, 6 Feb 2022 23:51:54 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 34/75] mm/vmscan: Turn page_check_dirty_writeback() into
 folio_check_dirty_writeback()

> -	mapping = page_mapping(page);
> +	mapping = folio_mapping(folio);
>  	if (mapping && mapping->a_ops->is_dirty_writeback)
> -		mapping->a_ops->is_dirty_writeback(page, dirty, writeback);
> +		mapping->a_ops->is_dirty_writeback(&folio->page, dirty, writeback);

This adds an overly long line.

Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch@....de>