Commit 3bf84a5a authored by Yan, Zheng's avatar Yan, Zheng Committed by Chris Mason
Browse files

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: default avatarYan Zheng <zheng.yan@oracle.com>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 046f264f

fs/btrfs/extent-tree.c

+2 −1
Original line number Diff line number Diff line
@@ -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) {