fs/btrfs/send.c

157 	struct btrfs_path *left_path;
4774 	ret = iterate_inode_ref(sctx->send_root, sctx->left_path,
4803 	ret = iterate_inode_ref(sctx->send_root, sctx->left_path,
4994 	ret = iterate_dir_item(sctx->send_root, sctx->left_path,
5100 	ret = find_xattr(sctx->send_root, sctx->left_path, sctx->cmp_key,
5115 	ret = iterate_dir_item(sctx->send_root, sctx->left_path,
6185 			       struct btrfs_path *left_path,
6211 	eb = left_path->nodes[0];
6212 	slot = left_path->slots[0];
6867 		left_ii = btrfs_item_ptr(sctx->left_path->nodes[0],
6868 				sctx->left_path->slots[0],
6870 		left_gen = btrfs_inode_generation(sctx->left_path->nodes[0],
6932 		if (btrfs_inode_nlink(sctx->left_path->nodes[0], left_ii) == 0) {
6940 				sctx->left_path->nodes[0], left_ii);
6942 				sctx->left_path->nodes[0], left_ii);
6944 				sctx->left_path->nodes[0], left_ii);
6958 		new_nlinks = btrfs_inode_nlink(sctx->left_path->nodes[0], left_ii);
6999 						sctx->left_path->nodes[0],
7002 						sctx->left_path->nodes[0],
7005 						sctx->left_path->nodes[0],
7038 					sctx->left_path->nodes[0], left_ii);
7040 					sctx->left_path->nodes[0], left_ii);
7136 			ret = process_extent(sctx, sctx->left_path,
7214 static int changed_cb(struct btrfs_path *left_path,
7250 	 * We always have a send root, so left_path is never NULL. We will not
7254 	if (left_path->nodes[0])
7256 				&left_path->nodes[0]->bflags));
7269 			ret = compare_refs(sctx, left_path, key);
7275 			return maybe_send_hole(sctx, left_path, key);
7283 	sctx->left_path = left_path;
7539 static int tree_compare_item(struct btrfs_path *left_path,
7547 	len1 = btrfs_item_size(left_path->nodes[0], left_path->slots[0]);
7552 	off1 = btrfs_item_ptr_offset(left_path->nodes[0], left_path->slots[0]);
7556 	read_extent_buffer(left_path->nodes[0], tmp_buf, off1, len1);
7583 static int restart_after_relocation(struct btrfs_path *left_path,
7596 	btrfs_release_path(left_path);
7605 	left_path->lowest_level = left_level;
7606 	ret = search_key_again(sctx, sctx->send_root, left_path, left_key);
7622 		ret = replace_node_with_clone(left_path, 0);
7640 		ret = replace_node_with_clone(left_path, root_level);
7674 	struct btrfs_path *left_path = NULL;
7693 	left_path = btrfs_alloc_path();
7694 	if (!left_path) {
7710 	left_path->search_commit_root = 1;
7711 	left_path->skip_locking = 1;
7761 	left_path->nodes[left_level] =
7763 	if (!left_path->nodes[left_level]) {
7786 		btrfs_item_key_to_cpu(left_path->nodes[left_level],
7787 				&left_key, left_path->slots[left_level]);
7789 		btrfs_node_key_to_cpu(left_path->nodes[left_level],
7790 				&left_key, left_path->slots[left_level]);
7809 			ret = restart_after_relocation(left_path, right_path,
7819 			ret = tree_advance(left_path, &left_level,
7847 				ret = changed_cb(left_path, right_path,
7860 				ret = changed_cb(left_path, right_path,
7876 				ret = changed_cb(left_path, right_path,
7882 				ret = changed_cb(left_path, right_path,
7890 				WARN_ON(!extent_buffer_uptodate(left_path->nodes[0]));
7891 				ret = tree_compare_item(left_path, right_path,
7897 				ret = changed_cb(left_path, right_path,
7914 						left_path->nodes[left_level],
7915 						left_path->slots[left_level]);
7920 						left_path->nodes[left_level],
7921 						left_path->slots[left_level]);
7948 	btrfs_free_path(left_path);