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Re: BUG: warning at mm/truncate.c:60/cancel_dirty_page()

from [Andrew Morton] [Permanent Link][Original]
To: David Chinner <dgc@xxxxxxx>
Subject: Re: BUG: warning at mm/truncate.c:60/cancel_dirty_page()
From: Andrew Morton <akpm@xxxxxxxx>
Date: Sun, 7 Jan 2007 14:48:12 -0800
Cc: Hugh Dickins <hugh@xxxxxxxxxxx>, Sami Farin <7atbggg02@xxxxxxxxxxxxxx>, Nathan Scott <nathans@xxxxxxx>, xfs@xxxxxxxxxxx, Nick Piggin <nickpiggin@xxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <20070107222341.GT33919298@melbourne.sgi.com>
References: <20070106023907.GA7766@m.safari.iki.fi> <Pine.LNX.4.64.0701062051570.24997@blonde.wat.veritas.com> <20070107222341.GT33919298@melbourne.sgi.com>
Sender: xfs-bounce@xxxxxxxxxxx 
On Mon, 8 Jan 2007 09:23:41 +1100
David Chinner <dgc@xxxxxxx> 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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