diff options
Diffstat (limited to 'fs/btrfs/transaction.c')
-rw-r--r-- | fs/btrfs/transaction.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index aa2219ebecc9..e0faf803513a 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -248,6 +248,8 @@ loop: INIT_LIST_HEAD(&cur_trans->pending_chunks); INIT_LIST_HEAD(&cur_trans->switch_commits); INIT_LIST_HEAD(&cur_trans->pending_ordered); + INIT_LIST_HEAD(&cur_trans->dirty_bgs); + spin_lock_init(&cur_trans->dirty_bgs_lock); list_add_tail(&cur_trans->list, &fs_info->trans_list); extent_io_tree_init(&cur_trans->dirty_pages, fs_info->btree_inode->i_mapping); @@ -1028,7 +1030,9 @@ static int update_cowonly_root(struct btrfs_trans_handle *trans, while (1) { old_root_bytenr = btrfs_root_bytenr(&root->root_item); if (old_root_bytenr == root->node->start && - old_root_used == btrfs_root_used(&root->root_item)) + old_root_used == btrfs_root_used(&root->root_item) && + (!extent_root || + list_empty(&trans->transaction->dirty_bgs))) break; btrfs_set_root_node(&root->root_item, root->node); @@ -1047,6 +1051,9 @@ static int update_cowonly_root(struct btrfs_trans_handle *trans, ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1); if (ret) return ret; + ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1); + if (ret) + return ret; } return 0; @@ -1067,10 +1074,6 @@ static noinline int commit_cowonly_roots(struct btrfs_trans_handle *trans, struct extent_buffer *eb; int ret; - ret = btrfs_run_delayed_refs(trans, root, (unsigned long)-1); - if (ret) - return ret; - eb = btrfs_lock_root_node(fs_info->tree_root); ret = btrfs_cow_block(trans, fs_info->tree_root, eb, NULL, 0, &eb); @@ -1990,6 +1993,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, switch_commit_roots(cur_trans, root->fs_info); assert_qgroups_uptodate(trans); + ASSERT(list_empty(&cur_trans->dirty_bgs)); update_super_roots(root); btrfs_set_super_log_root(root->fs_info->super_copy, 0); |