29 			      const struct extent_buffer *eb,  in check_extent_in_eb()  argument
39 	    !btrfs_file_extent_compression(eb, fi) &&  in check_extent_in_eb()
40 	    !btrfs_file_extent_encryption(eb, fi) &&  in check_extent_in_eb()
41 	    !btrfs_file_extent_other_encoding(eb, fi)) {  in check_extent_in_eb()
45 		data_offset = btrfs_file_extent_offset(eb, fi);  in check_extent_in_eb()
46 		data_len = btrfs_file_extent_num_bytes(eb, fi);  in check_extent_in_eb()
76 static int find_extent_in_eb(const struct extent_buffer *eb,  in find_extent_in_eb()  argument
94 	nritems = btrfs_header_nritems(eb);  in find_extent_in_eb()
96 		btrfs_item_key_to_cpu(eb, &key, slot);  in find_extent_in_eb()
99 		fi = btrfs_item_ptr(eb, slot, struct btrfs_file_extent_item);  in find_extent_in_eb()
100 		extent_type = btrfs_file_extent_type(eb, fi);  in find_extent_in_eb()
104 		disk_byte = btrfs_file_extent_disk_bytenr(eb, fi);  in find_extent_in_eb()
108 		ret = check_extent_in_eb(&key, eb, fi, extent_item_pos, eie, ignore_offset);  in find_extent_in_eb()
427 	struct extent_buffer *eb;  in add_all_parents()  local
438 		eb = path->nodes[level];  in add_all_parents()
439 		ret = ulist_add(parents, eb->start, 0, GFP_NOFS);  in add_all_parents()
455 	eb = path->nodes[0];  in add_all_parents()
456 	if (path->slots[0] >= btrfs_header_nritems(eb) ||  in add_all_parents()
457 	    is_shared_data_backref(preftrees, eb->start) ||  in add_all_parents()
458 	    ref->root_id != btrfs_header_owner(eb)) {  in add_all_parents()
466 		eb = path->nodes[0];  in add_all_parents()
469 		btrfs_item_key_to_cpu(eb, &key, slot);  in add_all_parents()
481 		    (is_shared_data_backref(preftrees, eb->start) ||  in add_all_parents()
482 		     ref->root_id != btrfs_header_owner(eb))) {  in add_all_parents()
489 		fi = btrfs_item_ptr(eb, slot, struct btrfs_file_extent_item);  in add_all_parents()
490 		disk_byte = btrfs_file_extent_disk_bytenr(eb, fi);  in add_all_parents()
491 		data_offset = btrfs_file_extent_offset(eb, fi);  in add_all_parents()
501 				ret = check_extent_in_eb(&key, eb, fi,  in add_all_parents()
509 			ret = ulist_add_merge_ptr(parents, eb->start,  in add_all_parents()
545 	struct extent_buffer *eb;  in resolve_indirect_ref()  local
625 	eb = path->nodes[level];  in resolve_indirect_ref()
626 	while (!eb) {  in resolve_indirect_ref()
632 		eb = path->nodes[level];  in resolve_indirect_ref()
794 	struct extent_buffer *eb;  in add_missing_keys()  local
806 		eb = read_tree_block(fs_info, ref->wanted_disk_byte,  in add_missing_keys()
808 		if (IS_ERR(eb)) {  in add_missing_keys()
810 			return PTR_ERR(eb);  in add_missing_keys()
812 		if (!extent_buffer_uptodate(eb)) {  in add_missing_keys()
814 			free_extent_buffer(eb);  in add_missing_keys()
819 			btrfs_tree_read_lock(eb);  in add_missing_keys()
820 		if (btrfs_header_level(eb) == 0)  in add_missing_keys()
821 			btrfs_item_key_to_cpu(eb, &ref->key_for_search, 0);  in add_missing_keys()
823 			btrfs_node_key_to_cpu(eb, &ref->key_for_search, 0);  in add_missing_keys()
825 			btrfs_tree_read_unlock(eb);  in add_missing_keys()
826 		free_extent_buffer(eb);  in add_missing_keys()
1365 				struct extent_buffer *eb;  in find_parent_nodes()  local
1367 				eb = read_tree_block(fs_info, ref->parent, 0,  in find_parent_nodes()
1369 				if (IS_ERR(eb)) {  in find_parent_nodes()
1370 					ret = PTR_ERR(eb);  in find_parent_nodes()
1373 				if (!extent_buffer_uptodate(eb)) {  in find_parent_nodes()
1374 					free_extent_buffer(eb);  in find_parent_nodes()
1380 					btrfs_tree_read_lock(eb);  in find_parent_nodes()
1381 				ret = find_extent_in_eb(eb, bytenr,  in find_parent_nodes()
1384 					btrfs_tree_read_unlock(eb);  in find_parent_nodes()
1385 				free_extent_buffer(eb);  in find_parent_nodes()
1890 	struct extent_buffer *eb = eb_in;  in btrfs_ref_to_path()  local
1900 			read_extent_buffer(eb, dest + bytes_left,  in btrfs_ref_to_path()
1902 		if (eb != eb_in) {  in btrfs_ref_to_path()
1904 				btrfs_tree_read_unlock(eb);  in btrfs_ref_to_path()
1905 			free_extent_buffer(eb);  in btrfs_ref_to_path()
1921 		eb = path->nodes[0];  in btrfs_ref_to_path()
1923 		if (eb != eb_in) {  in btrfs_ref_to_path()
1928 		iref = btrfs_item_ptr(eb, slot, struct btrfs_inode_ref);  in btrfs_ref_to_path()
1930 		name_len = btrfs_inode_ref_name_len(eb, iref);  in btrfs_ref_to_path()
1961 	const struct extent_buffer *eb;  in extent_from_logical()  local
1995 	eb = path->nodes[0];  in extent_from_logical()
1996 	item_size = btrfs_item_size(eb, path->slots[0]);  in extent_from_logical()
1999 	ei = btrfs_item_ptr(eb, path->slots[0], struct btrfs_extent_item);  in extent_from_logical()
2000 	flags = btrfs_extent_flags(eb, ei);  in extent_from_logical()
2030 				 const struct extent_buffer *eb,  in get_extent_inline_ref()  argument
2043 		flags = btrfs_extent_flags(eb, ei);  in get_extent_inline_ref()
2065 	*out_type = btrfs_get_extent_inline_ref_type(eb, *out_eiref,  in get_extent_inline_ref()
2085 int tree_backref_for_extent(unsigned long *ptr, struct extent_buffer *eb,  in tree_backref_for_extent()  argument
2097 		ret = get_extent_inline_ref(ptr, eb, key, ei, item_size,  in tree_backref_for_extent()
2111 	*out_root = btrfs_extent_inline_ref_offset(eb, eiref);  in tree_backref_for_extent()
2117 		*out_level = btrfs_tree_block_level(eb, info);  in tree_backref_for_extent()
2280 			 struct extent_buffer *eb, struct inode_fs_paths *ipath);
2293 	struct extent_buffer *eb;  in iterate_inode_refs()  local
2312 		eb = btrfs_clone_extent_buffer(path->nodes[0]);  in iterate_inode_refs()
2313 		if (!eb) {  in iterate_inode_refs()
2319 		iref = btrfs_item_ptr(eb, slot, struct btrfs_inode_ref);  in iterate_inode_refs()
2321 		for (cur = 0; cur < btrfs_item_size(eb, slot); cur += len) {  in iterate_inode_refs()
2322 			name_len = btrfs_inode_ref_name_len(eb, iref);  in iterate_inode_refs()
2329 				      (unsigned long)(iref + 1), eb, ipath);  in iterate_inode_refs()
2335 		free_extent_buffer(eb);  in iterate_inode_refs()
2352 	struct extent_buffer *eb;  in iterate_inode_extrefs()  local
2370 		eb = btrfs_clone_extent_buffer(path->nodes[0]);  in iterate_inode_extrefs()
2371 		if (!eb) {  in iterate_inode_extrefs()
2377 		item_size = btrfs_item_size(eb, slot);  in iterate_inode_extrefs()
2378 		ptr = btrfs_item_ptr_offset(eb, slot);  in iterate_inode_extrefs()
2385 			parent = btrfs_inode_extref_parent(eb, extref);  in iterate_inode_extrefs()
2386 			name_len = btrfs_inode_extref_name_len(eb, extref);  in iterate_inode_extrefs()
2388 				      (unsigned long)&extref->name, eb, ipath);  in iterate_inode_extrefs()
2392 			cur_offset += btrfs_inode_extref_name_len(eb, extref);  in iterate_inode_extrefs()
2395 		free_extent_buffer(eb);  in iterate_inode_extrefs()
2410 			 struct extent_buffer *eb, struct inode_fs_paths *ipath)  in inode_to_path()  argument
2423 				   name_off, eb, inum, fspath_min, bytes_left);  in inode_to_path()
2652 	struct extent_buffer *eb = btrfs_backref_get_eb(iter);  in btrfs_backref_iter_next()  local
2672 			type = btrfs_extent_inline_ref_type(eb, iref);  in btrfs_backref_iter_next()
2916 	struct extent_buffer *eb;  in handle_indirect_tree_backref()  local
2966 	eb = path->nodes[level];  in handle_indirect_tree_backref()
2967 	if (btrfs_node_blockptr(eb, path->slots[level]) != cur->bytenr) {  in handle_indirect_tree_backref()
3001 		eb = path->nodes[level];  in handle_indirect_tree_backref()
3002 		rb_node = rb_simple_search(&cache->rb_root, eb->start);  in handle_indirect_tree_backref()
3004 			upper = btrfs_backref_alloc_node(cache, eb->start,  in handle_indirect_tree_backref()
3012 			upper->owner = btrfs_header_owner(eb);  in handle_indirect_tree_backref()
3020 			if (btrfs_block_can_be_shared(root, eb))  in handle_indirect_tree_backref()
3045 				upper->owner = btrfs_header_owner(eb);  in handle_indirect_tree_backref()
3122 		struct extent_buffer *eb;  in btrfs_backref_add_tree_node()  local
3127 		eb = btrfs_backref_get_eb(iter);  in btrfs_backref_add_tree_node()
3136 			type = btrfs_get_extent_inline_ref_type(eb, iref,  in btrfs_backref_add_tree_node()
3143 			key.offset = btrfs_extent_inline_ref_offset(eb, iref);  in btrfs_backref_add_tree_node()