155 	struct rb_root write_tree;  member
1897 		struct rb_root write_tree;  in dmcrypt_write()  local
1903 		if (!RB_EMPTY_ROOT(&cc->write_tree))  in dmcrypt_write()
1922 		write_tree = cc->write_tree;  in dmcrypt_write()
1923 		cc->write_tree = RB_ROOT;  in dmcrypt_write()
1926 		BUG_ON(rb_parent(write_tree.rb_node));  in dmcrypt_write()
1934 			io = crypt_io_from_node(rb_first(&write_tree));  in dmcrypt_write()
1935 			rb_erase(&io->rb_node, &write_tree);  in dmcrypt_write()
1937 		} while (!RB_EMPTY_ROOT(&write_tree));  in dmcrypt_write()
1970 	if (RB_EMPTY_ROOT(&cc->write_tree))  in kcryptd_crypt_write_io_submit()
1972 	rbp = &cc->write_tree.rb_node;  in kcryptd_crypt_write_io_submit()
1983 	rb_insert_color(&io->rb_node, &cc->write_tree);  in kcryptd_crypt_write_io_submit()
3320 	cc->write_tree = RB_ROOT;  in crypt_ctr()