2337 			   struct sa_defrag_extent_backref *backref)  in backref_insert()  argument
2348 		ret = backref_comp(backref, entry);  in backref_insert()
2355 	rb_link_node(&backref->node, parent, p);  in backref_insert()
2356 	rb_insert_color(&backref->node, root);  in backref_insert()
2371 	struct sa_defrag_extent_backref *backref;  in record_one_backref()  local
2461 	backref = kmalloc(sizeof(*backref), GFP_NOFS);  in record_one_backref()
2462 	if (!backref) {  in record_one_backref()
2467 	backref->root_id = root_id;  in record_one_backref()
2468 	backref->inum = inum;  in record_one_backref()
2469 	backref->file_pos = offset;  in record_one_backref()
2470 	backref->num_bytes = num_bytes;  in record_one_backref()
2471 	backref->extent_offset = extent_offset;  in record_one_backref()
2472 	backref->generation = btrfs_file_extent_generation(leaf, extent);  in record_one_backref()
2473 	backref->old = old;  in record_one_backref()
2474 	backref_insert(&new->root, backref);  in record_one_backref()
2537 				 struct sa_defrag_extent_backref *backref)  in relink_extent_backref()  argument
2546 	struct old_sa_defrag_extent *old = backref->old;  in relink_extent_backref()
2559 	if (prev && prev->root_id == backref->root_id &&  in relink_extent_backref()
2560 	    prev->inum == backref->inum &&  in relink_extent_backref()
2561 	    prev->file_pos + prev->num_bytes == backref->file_pos)  in relink_extent_backref()
2565 	key.objectid = backref->root_id;  in relink_extent_backref()
2585 	key.objectid = backref->inum;  in relink_extent_backref()
2598 	lock_start = backref->file_pos;  in relink_extent_backref()
2599 	lock_end = backref->file_pos + backref->num_bytes - 1;  in relink_extent_backref()
2615 	key.objectid = backref->inum;  in relink_extent_backref()
2617 	key.offset = backref->file_pos;  in relink_extent_backref()
2631 	    backref->generation)  in relink_extent_backref()
2636 	start = backref->file_pos;  in relink_extent_backref()
2637 	if (backref->extent_offset < old->extent_offset + old->offset)  in relink_extent_backref()
2639 			 backref->extent_offset;  in relink_extent_backref()
2641 	len = min(backref->extent_offset + backref->num_bytes,  in relink_extent_backref()
2643 	len -= max(backref->extent_offset, old->extent_offset + old->offset);  in relink_extent_backref()
2715 			backref->root_id, backref->inum,  in relink_extent_backref()
2751 	struct sa_defrag_extent_backref *backref;  in relink_file_extents()  local
2775 		backref = rb_entry(node, struct sa_defrag_extent_backref, node);  in relink_file_extents()
2777 		ret = relink_extent_backref(path, prev, backref);  in relink_file_extents()
2783 			prev = backref;  in relink_file_extents()
6433 			    struct btrfs_inode *inode, int backref, u64 index)  in btrfs_add_nondir()  argument
6437 				 backref, index);  in btrfs_add_nondir()