868 	while (!cursor->resid)  in get_bvec_at()
984 	int resid = dlen;  in init_sgs_pages()  local
987 		int len = min(resid, (int)PAGE_SIZE - off);  in init_sgs_pages()
993 		resid -= len;  in init_sgs_pages()
994 	} while (resid);  in init_sgs_pages()
2002 			__func__, ret, cursor->total_resid, cursor->resid);  in prepare_sparse_read_cont()
3456 static void prepare_zero_front(struct ceph_connection *con, int resid)  in prepare_zero_front()  argument
3460 	WARN_ON(!resid || resid > front_len(con->out_msg));  in prepare_zero_front()
3461 	sent = front_len(con->out_msg) - resid;  in prepare_zero_front()
3462 	dout("%s con %p sent %d resid %d\n", __func__, con, sent, resid);  in prepare_zero_front()
3468 			crc32c_zeros(con->v2.out_epil.front_crc, resid);  in prepare_zero_front()
3470 		con->v2.out_epil.front_crc = crc32c_zeros(-1, resid);  in prepare_zero_front()
3473 	con->v2.out_iter.count -= resid;  in prepare_zero_front()
3474 	out_zero_add(con, resid);  in prepare_zero_front()
3477 static void prepare_zero_middle(struct ceph_connection *con, int resid)  in prepare_zero_middle()  argument
3481 	WARN_ON(!resid || resid > middle_len(con->out_msg));  in prepare_zero_middle()
3482 	sent = middle_len(con->out_msg) - resid;  in prepare_zero_middle()
3483 	dout("%s con %p sent %d resid %d\n", __func__, con, sent, resid);  in prepare_zero_middle()
3489 			crc32c_zeros(con->v2.out_epil.middle_crc, resid);  in prepare_zero_middle()
3491 		con->v2.out_epil.middle_crc = crc32c_zeros(-1, resid);  in prepare_zero_middle()
3494 	con->v2.out_iter.count -= resid;  in prepare_zero_middle()
3495 	out_zero_add(con, resid);  in prepare_zero_middle()
3508 	int resid;  in revoke_at_queue_data()  local
3512 	resid = iov_iter_count(&con->v2.out_iter);  in revoke_at_queue_data()
3515 	if (resid > boundary) {  in revoke_at_queue_data()
3516 		resid -= boundary;  in revoke_at_queue_data()
3517 		WARN_ON(resid > MESSAGE_HEAD_PLAIN_LEN);  in revoke_at_queue_data()
3524 		WARN_ON(iov_iter_count(&con->v2.out_iter) != resid);  in revoke_at_queue_data()
3530 	if (resid > boundary) {  in revoke_at_queue_data()
3531 		resid -= boundary;  in revoke_at_queue_data()
3533 		prepare_zero_front(con, resid);  in revoke_at_queue_data()
3541 	WARN_ON(!resid);  in revoke_at_queue_data()
3543 	prepare_zero_middle(con, resid);  in revoke_at_queue_data()
3550 	int sent, resid;  /* current piece of data */  in revoke_at_queue_data_cont()  local
3554 	resid = iov_iter_count(&con->v2.out_iter);  in revoke_at_queue_data_cont()
3555 	WARN_ON(!resid || resid > con->v2.out_bvec.bv_len);  in revoke_at_queue_data_cont()
3556 	sent = con->v2.out_bvec.bv_len - resid;  in revoke_at_queue_data_cont()
3557 	dout("%s con %p sent %d resid %d\n", __func__, con, sent, resid);  in revoke_at_queue_data_cont()
3565 	WARN_ON(resid > con->v2.out_cursor.total_resid);  in revoke_at_queue_data_cont()
3569 	con->v2.out_iter.count -= resid;  in revoke_at_queue_data_cont()
3577 	int resid;  in revoke_at_finish_message()  local
3580 	resid = iov_iter_count(&con->v2.out_iter);  in revoke_at_finish_message()
3584 		WARN_ON(!resid || resid > MESSAGE_HEAD_PLAIN_LEN);  in revoke_at_finish_message()
3592 	if (resid > boundary) {  in revoke_at_finish_message()
3593 		resid -= boundary;  in revoke_at_finish_message()
3594 		WARN_ON(resid > MESSAGE_HEAD_PLAIN_LEN);  in revoke_at_finish_message()
3601 		WARN_ON(iov_iter_count(&con->v2.out_iter) != resid);  in revoke_at_finish_message()
3607 	if (resid > boundary) {  in revoke_at_finish_message()
3608 		resid -= boundary;  in revoke_at_finish_message()
3610 		prepare_zero_front(con, resid);  in revoke_at_finish_message()
3619 	if (resid > boundary) {  in revoke_at_finish_message()
3620 		resid -= boundary;  in revoke_at_finish_message()
3622 		prepare_zero_middle(con, resid);  in revoke_at_finish_message()
3628 	WARN_ON(!resid);  in revoke_at_finish_message()
3662 	int resid;  in revoke_at_prepare_read_data()  local
3667 	resid = iov_iter_count(&con->v2.in_iter);  in revoke_at_prepare_read_data()
3668 	WARN_ON(!resid);  in revoke_at_prepare_read_data()
3671 	dout("%s con %p resid %d remaining %d\n", __func__, con, resid,  in revoke_at_prepare_read_data()
3673 	con->v2.in_iter.count -= resid;  in revoke_at_prepare_read_data()
3674 	set_in_skip(con, resid + remaining);  in revoke_at_prepare_read_data()
3680 	int recved, resid;  /* current piece of data */  in revoke_at_prepare_read_data_cont()  local
3686 	resid = iov_iter_count(&con->v2.in_iter);  in revoke_at_prepare_read_data_cont()
3687 	WARN_ON(!resid || resid > con->v2.in_bvec.bv_len);  in revoke_at_prepare_read_data_cont()
3688 	recved = con->v2.in_bvec.bv_len - resid;  in revoke_at_prepare_read_data_cont()
3689 	dout("%s con %p recved %d resid %d\n", __func__, con, recved, resid);  in revoke_at_prepare_read_data_cont()
3693 	WARN_ON(resid > con->v2.in_cursor.total_resid);  in revoke_at_prepare_read_data_cont()
3698 	con->v2.in_iter.count -= resid;  in revoke_at_prepare_read_data_cont()
3705 	int resid;  /* current enc page (not necessarily data) */  in revoke_at_prepare_read_enc_page()  local
3709 	resid = iov_iter_count(&con->v2.in_iter);  in revoke_at_prepare_read_enc_page()
3710 	WARN_ON(!resid || resid > con->v2.in_bvec.bv_len);  in revoke_at_prepare_read_enc_page()
3712 	dout("%s con %p resid %d enc_resid %d\n", __func__, con, resid,  in revoke_at_prepare_read_enc_page()
3714 	con->v2.in_iter.count -= resid;  in revoke_at_prepare_read_enc_page()
3715 	set_in_skip(con, resid + con->v2.in_enc_resid);  in revoke_at_prepare_read_enc_page()
3721 	int resid;  /* current piece of data */  in revoke_at_prepare_sparse_data()  local
3727 	resid = iov_iter_count(&con->v2.in_iter);  in revoke_at_prepare_sparse_data()
3728 	dout("%s con %p resid %d\n", __func__, con, resid);  in revoke_at_prepare_sparse_data()
3731 	con->v2.in_iter.count -= resid;  in revoke_at_prepare_sparse_data()
3732 	set_in_skip(con, resid + remaining);  in revoke_at_prepare_sparse_data()
3738 	int resid;  in revoke_at_handle_epilogue()  local
3740 	resid = iov_iter_count(&con->v2.in_iter);  in revoke_at_handle_epilogue()
3741 	WARN_ON(!resid);  in revoke_at_handle_epilogue()
3743 	dout("%s con %p resid %d\n", __func__, con, resid);  in revoke_at_handle_epilogue()
3744 	con->v2.in_iter.count -= resid;  in revoke_at_handle_epilogue()
3745 	set_in_skip(con, resid);  in revoke_at_handle_epilogue()