2425 			   struct sa_defrag_extent_backref *backref)  in backref_insert()  argument
2436 		ret = backref_comp(backref, entry);  in backref_insert()
2443 	rb_link_node(&backref->node, parent, p);  in backref_insert()
2444 	rb_insert_color(&backref->node, root);  in backref_insert()
2459 	struct sa_defrag_extent_backref *backref;  in record_one_backref()  local
2549 	backref = kmalloc(sizeof(*backref), GFP_NOFS);  in record_one_backref()
2550 	if (!backref) {  in record_one_backref()
2555 	backref->root_id = root_id;  in record_one_backref()
2556 	backref->inum = inum;  in record_one_backref()
2557 	backref->file_pos = offset;  in record_one_backref()
2558 	backref->num_bytes = num_bytes;  in record_one_backref()
2559 	backref->extent_offset = extent_offset;  in record_one_backref()
2560 	backref->generation = btrfs_file_extent_generation(leaf, extent);  in record_one_backref()
2561 	backref->old = old;  in record_one_backref()
2562 	backref_insert(&new->root, backref);  in record_one_backref()
2625 				 struct sa_defrag_extent_backref *backref)  in relink_extent_backref()  argument
2635 	struct old_sa_defrag_extent *old = backref->old;  in relink_extent_backref()
2648 	if (prev && prev->root_id == backref->root_id &&  in relink_extent_backref()
2649 	    prev->inum == backref->inum &&  in relink_extent_backref()
2650 	    prev->file_pos + prev->num_bytes == backref->file_pos)  in relink_extent_backref()
2654 	key.objectid = backref->root_id;  in relink_extent_backref()
2674 	key.objectid = backref->inum;  in relink_extent_backref()
2687 	lock_start = backref->file_pos;  in relink_extent_backref()
2688 	lock_end = backref->file_pos + backref->num_bytes - 1;  in relink_extent_backref()
2704 	key.objectid = backref->inum;  in relink_extent_backref()
2706 	key.offset = backref->file_pos;  in relink_extent_backref()
2720 	    backref->generation)  in relink_extent_backref()
2725 	start = backref->file_pos;  in relink_extent_backref()
2726 	if (backref->extent_offset < old->extent_offset + old->offset)  in relink_extent_backref()
2728 			 backref->extent_offset;  in relink_extent_backref()
2730 	len = min(backref->extent_offset + backref->num_bytes,  in relink_extent_backref()
2732 	len -= max(backref->extent_offset, old->extent_offset + old->offset);  in relink_extent_backref()
2804 	btrfs_init_data_ref(&ref, backref->root_id, backref->inum,  in relink_extent_backref()
2841 	struct sa_defrag_extent_backref *backref;  in relink_file_extents()  local
2862 		backref = rb_entry(node, struct sa_defrag_extent_backref, node);  in relink_file_extents()
2864 		ret = relink_extent_backref(path, prev, backref);  in relink_file_extents()
2870 			prev = backref;  in relink_file_extents()
6567 			    struct btrfs_inode *inode, int backref, u64 index)  in btrfs_add_nondir()  argument
6571 				 backref, index);  in btrfs_add_nondir()