31 	struct extent_buffer *eb;  in btrfs_uuid_tree_lookup()  local
57 	eb = path->nodes[0];  in btrfs_uuid_tree_lookup()
59 	item_size = btrfs_item_size(eb, slot);  in btrfs_uuid_tree_lookup()
60 	offset = btrfs_item_ptr_offset(eb, slot);  in btrfs_uuid_tree_lookup()
72 		read_extent_buffer(eb, &data, offset, sizeof(data));  in btrfs_uuid_tree_lookup()
94 	struct extent_buffer *eb;  in btrfs_uuid_tree_add()  local
120 		eb = path->nodes[0];  in btrfs_uuid_tree_add()
122 		offset = btrfs_item_ptr_offset(eb, slot);  in btrfs_uuid_tree_add()
129 		eb = path->nodes[0];  in btrfs_uuid_tree_add()
131 		offset = btrfs_item_ptr_offset(eb, slot);  in btrfs_uuid_tree_add()
132 		offset += btrfs_item_size(eb, slot) - sizeof(subid_le);  in btrfs_uuid_tree_add()
142 	write_extent_buffer(eb, &subid_le, offset, sizeof(subid_le));  in btrfs_uuid_tree_add()
156 	struct extent_buffer *eb;  in btrfs_uuid_tree_remove()  local
177 	ret = btrfs_search_slot(trans, uuid_root, &key, path, -1, 1);  in btrfs_uuid_tree_remove()
188 	eb = path->nodes[0];  in btrfs_uuid_tree_remove()
190 	offset = btrfs_item_ptr_offset(eb, slot);  in btrfs_uuid_tree_remove()
191 	item_size = btrfs_item_size(eb, slot);  in btrfs_uuid_tree_remove()
201 		read_extent_buffer(eb, &read_subid, offset, sizeof(read_subid));  in btrfs_uuid_tree_remove()
213 	item_size = btrfs_item_size(eb, slot);  in btrfs_uuid_tree_remove()
221 	move_len = item_size - (move_src - btrfs_item_ptr_offset(eb, slot));  in btrfs_uuid_tree_remove()
222 	memmove_extent_buffer(eb, move_dst, move_src, move_len);  in btrfs_uuid_tree_remove()
223 	btrfs_truncate_item(trans, path, item_size - sizeof(subid), 1);  in btrfs_uuid_tree_remove()
236 	/* 1 - for the uuid item */  in btrfs_uuid_iter_rem()
237 	trans = btrfs_start_transaction(uuid_root, 1);  in btrfs_uuid_iter_rem()
272 			ret = 1;  in btrfs_check_uuid_tree_entry()
279 			ret = 1;  in btrfs_check_uuid_tree_entry()
284 			ret = 1;  in btrfs_check_uuid_tree_entry()
321 	while (1) {  in btrfs_uuid_tree_iterate()
365 					 * exception that check_func returns 1,  in btrfs_uuid_tree_iterate()
401 	struct extent_buffer *eb;  in btrfs_uuid_scan_kthread()  local
418 	while (1) {  in btrfs_uuid_scan_kthread()
437 		eb = path->nodes[0];  in btrfs_uuid_scan_kthread()
439 		item_size = btrfs_item_size(eb, slot);  in btrfs_uuid_scan_kthread()
443 		read_extent_buffer(eb, &root_item,  in btrfs_uuid_scan_kthread()
444 				   btrfs_item_ptr_offset(eb, slot),  in btrfs_uuid_scan_kthread()
456 			 * 1 - subvol uuid item  in btrfs_uuid_scan_kthread()
457 			 * 1 - received_subvol uuid item  in btrfs_uuid_scan_kthread()
502 		if (key.offset < (u64)-1) {  in btrfs_uuid_scan_kthread()
507 		} else if (key.objectid < (u64)-1) {  in btrfs_uuid_scan_kthread()
538 	 * 1 - root node  in btrfs_create_uuid_tree()
539 	 * 1 - root item  in btrfs_create_uuid_tree()