37 			      const struct extent_buffer *eb,  in check_extent_in_eb()  argument
41 	const u64 data_len = btrfs_file_extent_num_bytes(eb, fi);  in check_extent_in_eb()
49 	    !btrfs_file_extent_compression(eb, fi) &&  in check_extent_in_eb()
50 	    !btrfs_file_extent_encryption(eb, fi) &&  in check_extent_in_eb()
51 	    !btrfs_file_extent_other_encoding(eb, fi)) {  in check_extent_in_eb()
54 		data_offset = btrfs_file_extent_offset(eb, fi);  in check_extent_in_eb()
65 	cached = ctx->cache_lookup(eb->start, ctx->user_ctx, &root_ids,  in check_extent_in_eb()
105 			     const struct extent_buffer *eb,  in find_extent_in_eb()  argument
121 	nritems = btrfs_header_nritems(eb);  in find_extent_in_eb()
123 		btrfs_item_key_to_cpu(eb, &key, slot);  in find_extent_in_eb()
126 		fi = btrfs_item_ptr(eb, slot, struct btrfs_file_extent_item);  in find_extent_in_eb()
127 		extent_type = btrfs_file_extent_type(eb, fi);  in find_extent_in_eb()
131 		disk_byte = btrfs_file_extent_disk_bytenr(eb, fi);  in find_extent_in_eb()
135 		ret = check_extent_in_eb(ctx, &key, eb, fi, eie);  in find_extent_in_eb()
479 	struct extent_buffer *eb;  in add_all_parents()  local
491 		eb = path->nodes[level];  in add_all_parents()
492 		ret = ulist_add(parents, eb->start, 0, GFP_NOFS);  in add_all_parents()
508 	eb = path->nodes[0];  in add_all_parents()
509 	if (path->slots[0] >= btrfs_header_nritems(eb) ||  in add_all_parents()
510 	    is_shared_data_backref(preftrees, eb->start) ||  in add_all_parents()
511 	    ref->root_id != btrfs_header_owner(eb)) {  in add_all_parents()
519 		eb = path->nodes[0];  in add_all_parents()
522 		btrfs_item_key_to_cpu(eb, &key, slot);  in add_all_parents()
534 		    (is_shared_data_backref(preftrees, eb->start) ||  in add_all_parents()
535 		     ref->root_id != btrfs_header_owner(eb))) {  in add_all_parents()
542 		fi = btrfs_item_ptr(eb, slot, struct btrfs_file_extent_item);  in add_all_parents()
543 		type = btrfs_file_extent_type(eb, fi);  in add_all_parents()
546 		disk_byte = btrfs_file_extent_disk_bytenr(eb, fi);  in add_all_parents()
547 		data_offset = btrfs_file_extent_offset(eb, fi);  in add_all_parents()
557 				ret = check_extent_in_eb(ctx, &key, eb, fi, &eie);  in add_all_parents()
564 			ret = ulist_add_merge_ptr(parents, eb->start,  in add_all_parents()
600 	struct extent_buffer *eb;  in resolve_indirect_ref()  local
680 	eb = path->nodes[level];  in resolve_indirect_ref()
681 	while (!eb) {  in resolve_indirect_ref()
687 		eb = path->nodes[level];  in resolve_indirect_ref()
844 	struct extent_buffer *eb;  in add_missing_keys()  local
861 		eb = read_tree_block(fs_info, ref->wanted_disk_byte, &check);  in add_missing_keys()
862 		if (IS_ERR(eb)) {  in add_missing_keys()
864 			return PTR_ERR(eb);  in add_missing_keys()
866 		if (!extent_buffer_uptodate(eb)) {  in add_missing_keys()
868 			free_extent_buffer(eb);  in add_missing_keys()
873 			btrfs_tree_read_lock(eb);  in add_missing_keys()
874 		if (btrfs_header_level(eb) == 0)  in add_missing_keys()
875 			btrfs_item_key_to_cpu(eb, &ref->key_for_search, 0);  in add_missing_keys()
877 			btrfs_node_key_to_cpu(eb, &ref->key_for_search, 0);  in add_missing_keys()
879 			btrfs_tree_read_unlock(eb);  in add_missing_keys()
880 		free_extent_buffer(eb);  in add_missing_keys()
1613 				struct extent_buffer *eb;  in find_parent_nodes()  local
1617 				eb = read_tree_block(ctx->fs_info, ref->parent,  in find_parent_nodes()
1619 				if (IS_ERR(eb)) {  in find_parent_nodes()
1620 					ret = PTR_ERR(eb);  in find_parent_nodes()
1623 				if (!extent_buffer_uptodate(eb)) {  in find_parent_nodes()
1624 					free_extent_buffer(eb);  in find_parent_nodes()
1630 					btrfs_tree_read_lock(eb);  in find_parent_nodes()
1631 				ret = find_extent_in_eb(ctx, eb, &eie);  in find_parent_nodes()
1633 					btrfs_tree_read_unlock(eb);  in find_parent_nodes()
1634 				free_extent_buffer(eb);  in find_parent_nodes()
2140 	struct extent_buffer *eb = eb_in;  in btrfs_ref_to_path()  local
2150 			read_extent_buffer(eb, dest + bytes_left,  in btrfs_ref_to_path()
2152 		if (eb != eb_in) {  in btrfs_ref_to_path()
2154 				btrfs_tree_read_unlock(eb);  in btrfs_ref_to_path()
2155 			free_extent_buffer(eb);  in btrfs_ref_to_path()
2171 		eb = path->nodes[0];  in btrfs_ref_to_path()
2173 		if (eb != eb_in) {  in btrfs_ref_to_path()
2178 		iref = btrfs_item_ptr(eb, slot, struct btrfs_inode_ref);  in btrfs_ref_to_path()
2180 		name_len = btrfs_inode_ref_name_len(eb, iref);  in btrfs_ref_to_path()
2211 	const struct extent_buffer *eb;  in extent_from_logical()  local
2245 	eb = path->nodes[0];  in extent_from_logical()
2246 	item_size = btrfs_item_size(eb, path->slots[0]);  in extent_from_logical()
2249 	ei = btrfs_item_ptr(eb, path->slots[0], struct btrfs_extent_item);  in extent_from_logical()
2250 	flags = btrfs_extent_flags(eb, ei);  in extent_from_logical()
2280 				 const struct extent_buffer *eb,  in get_extent_inline_ref()  argument
2293 		flags = btrfs_extent_flags(eb, ei);  in get_extent_inline_ref()
2315 	*out_type = btrfs_get_extent_inline_ref_type(eb, *out_eiref,  in get_extent_inline_ref()
2335 int tree_backref_for_extent(unsigned long *ptr, struct extent_buffer *eb,  in tree_backref_for_extent()  argument
2347 		ret = get_extent_inline_ref(ptr, eb, key, ei, item_size,  in tree_backref_for_extent()
2361 	*out_root = btrfs_extent_inline_ref_offset(eb, eiref);  in tree_backref_for_extent()
2367 		*out_level = btrfs_tree_block_level(eb, info);  in tree_backref_for_extent()
2579 			 struct extent_buffer *eb, struct inode_fs_paths *ipath);
2592 	struct extent_buffer *eb;  in iterate_inode_refs()  local
2611 		eb = btrfs_clone_extent_buffer(path->nodes[0]);  in iterate_inode_refs()
2612 		if (!eb) {  in iterate_inode_refs()
2618 		iref = btrfs_item_ptr(eb, slot, struct btrfs_inode_ref);  in iterate_inode_refs()
2620 		for (cur = 0; cur < btrfs_item_size(eb, slot); cur += len) {  in iterate_inode_refs()
2621 			name_len = btrfs_inode_ref_name_len(eb, iref);  in iterate_inode_refs()
2628 				      (unsigned long)(iref + 1), eb, ipath);  in iterate_inode_refs()
2634 		free_extent_buffer(eb);  in iterate_inode_refs()
2651 	struct extent_buffer *eb;  in iterate_inode_extrefs()  local
2669 		eb = btrfs_clone_extent_buffer(path->nodes[0]);  in iterate_inode_extrefs()
2670 		if (!eb) {  in iterate_inode_extrefs()
2676 		item_size = btrfs_item_size(eb, slot);  in iterate_inode_extrefs()
2677 		ptr = btrfs_item_ptr_offset(eb, slot);  in iterate_inode_extrefs()
2684 			parent = btrfs_inode_extref_parent(eb, extref);  in iterate_inode_extrefs()
2685 			name_len = btrfs_inode_extref_name_len(eb, extref);  in iterate_inode_extrefs()
2687 				      (unsigned long)&extref->name, eb, ipath);  in iterate_inode_extrefs()
2691 			cur_offset += btrfs_inode_extref_name_len(eb, extref);  in iterate_inode_extrefs()
2694 		free_extent_buffer(eb);  in iterate_inode_extrefs()
2709 			 struct extent_buffer *eb, struct inode_fs_paths *ipath)  in inode_to_path()  argument
2722 				   name_off, eb, inum, fspath_min, bytes_left);  in inode_to_path()
2944 	struct extent_buffer *eb = btrfs_backref_get_eb(iter);  in btrfs_backref_iter_next()  local
2964 			type = btrfs_extent_inline_ref_type(eb, iref);  in btrfs_backref_iter_next()
3210 	struct extent_buffer *eb;  in handle_indirect_tree_backref()  local
3260 	eb = path->nodes[level];  in handle_indirect_tree_backref()
3261 	if (btrfs_node_blockptr(eb, path->slots[level]) != cur->bytenr) {  in handle_indirect_tree_backref()
3295 		eb = path->nodes[level];  in handle_indirect_tree_backref()
3296 		rb_node = rb_simple_search(&cache->rb_root, eb->start);  in handle_indirect_tree_backref()
3298 			upper = btrfs_backref_alloc_node(cache, eb->start,  in handle_indirect_tree_backref()
3306 			upper->owner = btrfs_header_owner(eb);  in handle_indirect_tree_backref()
3314 			if (btrfs_block_can_be_shared(trans, root, eb))  in handle_indirect_tree_backref()
3339 				upper->owner = btrfs_header_owner(eb);  in handle_indirect_tree_backref()
3417 		struct extent_buffer *eb;  in btrfs_backref_add_tree_node()  local
3422 		eb = btrfs_backref_get_eb(iter);  in btrfs_backref_add_tree_node()
3431 			type = btrfs_get_extent_inline_ref_type(eb, iref,  in btrfs_backref_add_tree_node()
3438 			key.offset = btrfs_extent_inline_ref_offset(eb, iref);  in btrfs_backref_add_tree_node()