Btrfs: Fix BUG_ON for fs converted from extN

Tree blocks can live in data block groups in FS converted from extN.
So it's easy to trigger the BUG_ON.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Yan, Zheng 2010-05-31 09:04:46 +00:00 committed by Chris Mason
parent 046f264f6b
commit 3bf84a5a83

View file

@ -4360,7 +4360,8 @@ void btrfs_free_tree_block(struct btrfs_trans_handle *trans,
block_rsv = get_block_rsv(trans, root);
cache = btrfs_lookup_block_group(root->fs_info, buf->start);
BUG_ON(block_rsv->space_info != cache->space_info);
if (block_rsv->space_info != cache->space_info)
goto out;
if (btrfs_header_generation(buf) == trans->transid) {
if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID) {