From 44e08c45cc14e6190a424be8d450070c8e508fad Mon Sep 17 00:00:00 2001
From: Dave Chinner <david@fromorbit.com>
Date: Sat, 2 Jan 2010 02:39:40 +0000
Subject: [PATCH] xfs: Don't flush stale inodes

Because inodes remain in cache much longer than inode buffers do
under memory pressure, we can get the situation where we have
stale, dirty inodes being reclaimed but the backing storage has
been freed.  Hence we should never, ever flush XFS_ISTALE inodes
to disk as there is no guarantee that the backing buffer is in
cache and still marked stale when the flush occurs.

Signed-off-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Alex Elder <aelder@sgi.com>
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