linux-ext4 - Re: [patch 3/4] mm: filemap: pass __GFP_WRITE from grab_cache_page_write

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Message-ID: <4E78DD8B.1020605@redhat.com>
Date:	Tue, 20 Sep 2011 14:38:03 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Christoph Hellwig <hch@...radead.org>
CC:	Johannes Weiner <jweiner@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mgorman@...e.de>,
	Dave Chinner <david@...morbit.com>,
	Wu Fengguang <fengguang.wu@...el.com>, Jan Kara <jack@...e.cz>,
	Minchan Kim <minchan.kim@...il.com>,
	Chris Mason <chris.mason@...cle.com>,
	"Theodore Ts'o" <tytso@....edu>,
	Andreas Dilger <adilger.kernel@...ger.ca>, xfs@....sgi.com,
	linux-btrfs@...r.kernel.org, linux-ext4@...r.kernel.org,
	linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [patch 3/4] mm: filemap: pass __GFP_WRITE from grab_cache_page_write_begin()

On 09/20/2011 10:25 AM, Christoph Hellwig wrote:
> In addition to regular write shouldn't __do_fault and do_wp_page also
> calls this if they are called on file backed mappings?
>

Probably not do_wp_page since it always creates an
anonymous page, which are not very relevant to the
dirty page cache accounting.
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