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Upstream-Status: Inappropriate [Backport]
From 32ba8209276d3ac1723ea6373aaec9d6399ce5ca Mon Sep 17 00:00:00 2001
From: Miao Xie <miaox@cn.fujitsu.com>
Date: Tue, 13 Jul 2010 09:18:04 +0000
Subject: [PATCH 14/15] btrfs-progs: fix wrong extent buffer size when reading tree block
the root extent buffer of a tree may not be a leaf, so we must get the right
size by its level when reading it.
Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
---
debug-tree.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/debug-tree.c b/debug-tree.c
index 0525354..99c12d6 100644
--- a/debug-tree.c
+++ b/debug-tree.c
@@ -212,7 +212,9 @@ again:
read_extent_buffer(leaf, &ri, offset, sizeof(ri));
buf = read_tree_block(tree_root_scan,
btrfs_root_bytenr(&ri),
- tree_root_scan->leafsize, 0);
+ btrfs_level_size(tree_root_scan,
+ btrfs_root_level(&ri)),
+ 0);
switch(found_key.objectid) {
case BTRFS_ROOT_TREE_OBJECTID:
if (!skip)
--
1.7.2.3
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