On 12/10/2013 12:14 AM, Wang Shilong wrote:
From: Wang Shilong <wangsl.f...@cn.fujitsu.com>
I hit a BUG_ON() when inserting reloc root into rc->reloc_root_tree.rb_root,
the fact is block bytenr has been inserted before, this is really a redicious
bug, the reason is that we freed root node after we have allocated root
node block,and this block bytenr will be reused and then oops happens.
oops, this is wrong, sorry for noise.
Thanks,
Wang
Signed-off-by: Wang Shilong <wangsl.f...@cn.fujitsu.com>
---
fs/btrfs/relocation.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index ce459a7..4dc7f26 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -1361,7 +1361,6 @@ static struct btrfs_root *create_reloc_root(struct
btrfs_trans_handle *trans,
}
btrfs_tree_unlock(eb);
- free_extent_buffer(eb);
ret = btrfs_insert_root(trans, root->fs_info->tree_root,
&root_key, root_item);
--
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