Lines Matching defs:root
427 struct btrfs_root *root = NULL;
440 root = btrfs_alloc_dummy_root(fs_info);
441 if (IS_ERR(root)) {
443 ret = PTR_ERR(root);
447 btrfs_set_super_compat_ro_flags(root->fs_info->super_copy,
449 root->fs_info->free_space_root = root;
450 root->fs_info->tree_root = root;
452 root->node = alloc_test_extent_buffer(root->fs_info, nodesize);
453 if (IS_ERR(root->node)) {
455 ret = PTR_ERR(root->node);
458 btrfs_set_header_level(root->node, 0);
459 btrfs_set_header_nritems(root->node, 0);
460 root->alloc_bytenr += 2 * nodesize;
471 cache->fs_info = root->fs_info;
473 btrfs_init_dummy_trans(&trans, root->fs_info);
496 ret = test_func(&trans, root->fs_info, cache, path, alignment);
506 if (btrfs_header_nritems(root->node) != 0) {
516 btrfs_free_dummy_root(root);