From 2353e8e9b6ae29aad77935f21735a30f5cc419b4 Mon Sep 17 00:00:00 2001
From: Eric Sandeen <sandeen@sgi.com>
Date: Tue, 28 Feb 2006 12:30:30 +1100
Subject: [PATCH] [XFS] Don't map non-uptodate buffers in xfs_probe_cluster;
also fixes obscure corruption case
SGI-PV: 942658
SGI-Modid: xfs-linux-melb:xfs-kern:207119a
Signed-off-by: Eric Sandeen <sandeen@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
---
fs/xfs/linux-2.6/xfs_aops.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 8f2beec526cf..74d8be87f983 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -540,7 +540,7 @@ xfs_probe_cluster(
/* First sum forwards in this page */
do {
- if (mapped != buffer_mapped(bh))
+ if (!buffer_uptodate(bh) || (mapped != buffer_mapped(bh)))
return total;
total += bh->b_size;
} while ((bh = bh->b_this_page) != head);
--
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