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[XFS] Don't map non-uptodate buffers in xfs_probe_cluster; also fixes
author
Eric Sandeen
<sandeen@sgi.com>
Tue, 28 Feb 2006 01:30:30 +0000
(12:30 +1100)
committer
Nathan Scott
<nathans@sgi.com>
Tue, 28 Feb 2006 01:30:30 +0000
(12:30 +1100)
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
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diff --git
a/fs/xfs/linux-2.6/xfs_aops.c
b/fs/xfs/linux-2.6/xfs_aops.c
index
8f2beec
..
74d8be8
100644
(file)
--- 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);