linux-kernel - Re: BUG: warning at mm/truncate.c:60/cancel_dirty

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Message-Id: <20070107144812.96357ff9.akpm@osdl.org>
Date:	Sun, 7 Jan 2007 14:48:12 -0800
From:	Andrew Morton <akpm@...l.org>
To:	David Chinner <dgc@....com>
Cc:	Hugh Dickins <hugh@...itas.com>,
	Sami Farin <7atbggg02@...akemail.com>,
	Nathan Scott <nathans@....com>, xfs@....sgi.com,
	Nick Piggin <nickpiggin@...oo.com.au>,
	linux-kernel@...r.kernel.org
Subject: Re: BUG: warning at mm/truncate.c:60/cancel_dirty_page()

On Mon, 8 Jan 2007 09:23:41 +1100
David Chinner <dgc@....com> wrote:

> How are you supposed to invalidate a range of pages in a mapping for
> this case, then? invalidate_mapping_pages() would appear to be the
> candidate (the generic code uses this), but it _skips_ pages that
> are already mapped.

unmap_mapping_range()?

> So, am I correct in assuming we should be calling invalidate_inode_pages2_range()
> instead of truncate_inode_pages()?

That would be conventional.
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