diff options
Diffstat (limited to 'fs/btrfs/free-space-tree.c')
| -rw-r--r-- | fs/btrfs/free-space-tree.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/btrfs/free-space-tree.c b/fs/btrfs/free-space-tree.c index ecddfca92b2b..9efd1ec90f03 100644 --- a/fs/btrfs/free-space-tree.c +++ b/fs/btrfs/free-space-tree.c @@ -1073,6 +1073,14 @@ static int populate_free_space_tree(struct btrfs_trans_handle *trans, if (ret) return ret; + extent_root = btrfs_extent_root(trans->fs_info, block_group->start); + if (unlikely(!extent_root)) { + btrfs_err(trans->fs_info, + "missing extent root for block group at offset %llu", + block_group->start); + return -EUCLEAN; + } + mutex_lock(&block_group->free_space_lock); /* @@ -1086,7 +1094,6 @@ static int populate_free_space_tree(struct btrfs_trans_handle *trans, key.type = BTRFS_EXTENT_ITEM_KEY; key.offset = 0; - extent_root = btrfs_extent_root(trans->fs_info, key.objectid); ret = btrfs_search_slot_for_read(extent_root, &key, path, 1, 0); if (ret < 0) goto out_locked; |