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[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>
This commit is contained in:
Eric Sandeen 2006-02-28 12:30:30 +11:00 committed by Nathan Scott
parent dae81d4774
commit 2353e8e9b6
1 changed files with 1 additions and 1 deletions
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2
fs/xfs/linux-2.6/xfs_aops.c
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@ -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);