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Date: Wed, 23 Jan 2002 23:53:35 +0000 (GMT)
From: Hugh Dickins <hugh@veritas.com>
To: "Stephen C. Tweedie" <sct@redhat.com>
cc: Rik van Riel <riel@conectiva.com.br>, Andrew Morton <akpm@zip.com.au>,
        Hans Reiser <reiser@namesys.com>,
        Andreas Dilger <adilger@turbolabs.com>, Chris Mason <mason@suse.com>,
        Shawn Starr <spstarr@sh0n.net>, linux-kernel@vger.kernel.org,
        ext2-devel@lists.sourceforge.net
Subject: Re: [Ext2-devel] Re: Possible Idea with filesystem buffering.
In-Reply-To: <20020123203500.L1930@redhat.com>
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On Wed, 23 Jan 2002, Stephen C. Tweedie wrote:
> 
> This is actually really important --- writepage on its own cannot
> distinguish between requests to flush something to disk (eg. msync or
> fsync), and requests to evict dirty data from memory.

Actually, that much can now be distinguished:
 PageLaunder(page) when evicting from memory,
!PageLaunder(page) when msync or fsync.

Hugh

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