2218 			   struct sa_defrag_extent_backref *backref)  in backref_insert()  argument
2229 		ret = backref_comp(backref, entry);  in backref_insert()
2236 	rb_link_node(&backref->node, parent, p);  in backref_insert()
2237 	rb_insert_color(&backref->node, root);  in backref_insert()
2253 	struct sa_defrag_extent_backref *backref;  in record_one_backref()  local
2343 	backref = kmalloc(sizeof(*backref), GFP_NOFS);  in record_one_backref()
2344 	if (!backref) {  in record_one_backref()
2349 	backref->root_id = root_id;  in record_one_backref()
2350 	backref->inum = inum;  in record_one_backref()
2351 	backref->file_pos = offset;  in record_one_backref()
2352 	backref->num_bytes = num_bytes;  in record_one_backref()
2353 	backref->extent_offset = extent_offset;  in record_one_backref()
2354 	backref->generation = btrfs_file_extent_generation(leaf, extent);  in record_one_backref()
2355 	backref->old = old;  in record_one_backref()
2356 	backref_insert(&new->root, backref);  in record_one_backref()
2419 				 struct sa_defrag_extent_backref *backref)  in relink_extent_backref()  argument
2429 	struct old_sa_defrag_extent *old = backref->old;  in relink_extent_backref()
2442 	if (prev && prev->root_id == backref->root_id &&  in relink_extent_backref()
2443 	    prev->inum == backref->inum &&  in relink_extent_backref()
2444 	    prev->file_pos + prev->num_bytes == backref->file_pos)  in relink_extent_backref()
2448 	key.objectid = backref->root_id;  in relink_extent_backref()
2469 	key.objectid = backref->inum;  in relink_extent_backref()
2482 	lock_start = backref->file_pos;  in relink_extent_backref()
2483 	lock_end = backref->file_pos + backref->num_bytes - 1;  in relink_extent_backref()
2499 	key.objectid = backref->inum;  in relink_extent_backref()
2501 	key.offset = backref->file_pos;  in relink_extent_backref()
2515 	    backref->generation)  in relink_extent_backref()
2520 	start = backref->file_pos;  in relink_extent_backref()
2521 	if (backref->extent_offset < old->extent_offset + old->offset)  in relink_extent_backref()
2523 			 backref->extent_offset;  in relink_extent_backref()
2525 	len = min(backref->extent_offset + backref->num_bytes,  in relink_extent_backref()
2527 	len -= max(backref->extent_offset, old->extent_offset + old->offset);  in relink_extent_backref()
2599 			backref->root_id, backref->inum,  in relink_extent_backref()
2634 	struct sa_defrag_extent_backref *backref;  in relink_file_extents()  local
2660 		backref = rb_entry(node, struct sa_defrag_extent_backref, node);  in relink_file_extents()
2662 		ret = relink_extent_backref(path, prev, backref);  in relink_file_extents()
2668 			prev = backref;  in relink_file_extents()
6334 			    struct inode *inode, int backref, u64 index)  in btrfs_add_nondir()  argument
6338 				 backref, index);  in btrfs_add_nondir()