24 #define CB_OP_HDR_RES_MAXSZ		(2 * 4) // opcode, status
144 	__be32 status;  in decode_compound_hdr_arg()  local
146 	status = decode_string(xdr, &hdr->taglen, &hdr->tag, CB_OP_TAGLEN_MAXSZ);  in decode_compound_hdr_arg()
147 	if (unlikely(status != 0))  in decode_compound_hdr_arg()
148 		return status;  in decode_compound_hdr_arg()
180 	__be32 status;  in decode_getattr_args()  local
182 	status = decode_fh(xdr, &args->fh);  in decode_getattr_args()
183 	if (unlikely(status != 0))  in decode_getattr_args()
184 		return status;  in decode_getattr_args()
193 	__be32 status;  in decode_recall_args()  local
195 	status = decode_delegation_stateid(xdr, &args->stateid);  in decode_recall_args()
196 	if (unlikely(status != 0))  in decode_recall_args()
197 		return status;  in decode_recall_args()
216 	__be32 status = 0;  in decode_layoutrecall_args()  local
233 		status = decode_fh(xdr, &args->cbl_fh);  in decode_layoutrecall_args()
234 		if (unlikely(status != 0))  in decode_layoutrecall_args()
235 			return status;  in decode_layoutrecall_args()
262 	__be32 status = 0;  in decode_devicenotify_args()  local
267 		status = htonl(NFS4ERR_BADXDR);  in decode_devicenotify_args()
276 		status = htonl(NFS4ERR_DELAY);  in decode_devicenotify_args()
287 			status = htonl(NFS4ERR_BADXDR);  in decode_devicenotify_args()
293 			status = htonl(NFS4ERR_INVAL);  in decode_devicenotify_args()
299 			status = htonl(NFS4ERR_INVAL);  in decode_devicenotify_args()
308 			status = htonl(NFS4ERR_INVAL);  in decode_devicenotify_args()
318 				status = htonl(NFS4ERR_BADXDR);  in decode_devicenotify_args()
338 	dprintk("%s: status %d ndevs %d\n",  in decode_devicenotify_args()
339 		__func__, ntohl(status), args->ndevs);  in decode_devicenotify_args()
340 	return status;  in decode_devicenotify_args()
361 	__be32 status;  in decode_rc_list()  local
363 	status = decode_sessionid(xdr, &rc_list->rcl_sessionid);  in decode_rc_list()
364 	if (status)  in decode_rc_list()
367 	status = htonl(NFS4ERR_RESOURCE);  in decode_rc_list()
389 	status = 0;  in decode_rc_list()
392 	return status;  in decode_rc_list()
402 	__be32 status;  in decode_cb_sequence_args()  local
404 	status = decode_sessionid(xdr, &args->csa_sessionid);  in decode_cb_sequence_args()
405 	if (status)  in decode_cb_sequence_args()
406 		return status;  in decode_cb_sequence_args()
426 			status = decode_rc_list(xdr, &args->csa_rclists[i]);  in decode_cb_sequence_args()
427 			if (status) {  in decode_cb_sequence_args()
439 	return status;  in decode_cb_sequence_args()
448 	__be32 *p, status;  in decode_recallany_args()  local
454 	status = decode_bitmap(xdr, bitmap);  in decode_recallany_args()
455 	if (unlikely(status))  in decode_recallany_args()
456 		return status;  in decode_recallany_args()
510 	__be32 status;  in decode_notify_lock_args()  local
512 	status = decode_fh(xdr, &args->cbnl_fh);  in decode_notify_lock_args()
513 	if (unlikely(status != 0))  in decode_notify_lock_args()
514 		return status;  in decode_notify_lock_args()
552 	__be32 status;  in decode_offload_args()  local
555 	status = decode_fh(xdr, &args->coa_fh);  in decode_offload_args()
556 	if (unlikely(status != 0))  in decode_offload_args()
557 		return status;  in decode_offload_args()
560 	status = decode_stateid(xdr, &args->coa_stateid);  in decode_offload_args()
561 	if (unlikely(status != 0))  in decode_offload_args()
562 		return status;  in decode_offload_args()
564 	/* decode status */  in decode_offload_args()
570 		status = decode_write_response(xdr, args);  in decode_offload_args()
571 		if (unlikely(status != 0))  in decode_offload_args()
572 			return status;  in decode_offload_args()
677 	__be32 status;  in encode_compound_hdr_res()  local
679 	hdr->status = xdr_reserve_space(xdr, 4);  in encode_compound_hdr_res()
680 	if (unlikely(hdr->status == NULL))  in encode_compound_hdr_res()
682 	status = encode_string(xdr, hdr->taglen, hdr->tag);  in encode_compound_hdr_res()
683 	if (unlikely(status != 0))  in encode_compound_hdr_res()
684 		return status;  in encode_compound_hdr_res()
708 	__be32 status = res->status;  in encode_getattr_res()  local
710 	if (unlikely(status != 0))  in encode_getattr_res()
712 	status = encode_attr_bitmap(xdr, res->bitmap, ARRAY_SIZE(res->bitmap));  in encode_getattr_res()
713 	if (unlikely(status != 0))  in encode_getattr_res()
715 	status = cpu_to_be32(NFS4ERR_RESOURCE);  in encode_getattr_res()
719 	status = encode_attr_change(xdr, res->bitmap, res->change_attr);  in encode_getattr_res()
720 	if (unlikely(status != 0))  in encode_getattr_res()
722 	status = encode_attr_size(xdr, res->bitmap, res->size);  in encode_getattr_res()
723 	if (unlikely(status != 0))  in encode_getattr_res()
725 	status = encode_attr_atime(xdr, res->bitmap, &res->atime);  in encode_getattr_res()
726 	if (unlikely(status != 0))  in encode_getattr_res()
728 	status = encode_attr_ctime(xdr, res->bitmap, &res->ctime);  in encode_getattr_res()
729 	if (unlikely(status != 0))  in encode_getattr_res()
731 	status = encode_attr_mtime(xdr, res->bitmap, &res->mtime);  in encode_getattr_res()
732 	if (unlikely(status != 0))  in encode_getattr_res()
734 	status = encode_attr_delegatime(xdr, res->bitmap, &res->atime);  in encode_getattr_res()
735 	if (unlikely(status != 0))  in encode_getattr_res()
737 	status = encode_attr_delegmtime(xdr, res->bitmap, &res->mtime);  in encode_getattr_res()
740 	return status;  in encode_getattr_res()
762 	__be32 status = res->csr_status;  in encode_cb_sequence_res()  local
764 	if (unlikely(status != 0))  in encode_cb_sequence_res()
765 		return status;  in encode_cb_sequence_res()
767 	status = encode_sessionid(xdr, &res->csr_sessionid);  in encode_cb_sequence_res()
768 	if (status)  in encode_cb_sequence_res()
769 		return status;  in encode_cb_sequence_res()
844 	__be32 status = preprocess_nfs41_op(nop, op_nr, op);  in preprocess_nfs42_op()  local
845 	if (status != htonl(NFS4ERR_OP_ILLEGAL))  in preprocess_nfs42_op()
846 		return status;  in preprocess_nfs42_op()
884 	__be32 status;  in process_op()  local
888 	status = decode_op_hdr(&rqstp->rq_arg_stream, &op_nr);  in process_op()
889 	if (unlikely(status))  in process_op()
890 		return status;  in process_op()
894 		status = preprocess_nfs4_op(op_nr, &op);  in process_op()
897 		status = preprocess_nfs41_op(nop, op_nr, &op);  in process_op()
900 		status = preprocess_nfs42_op(nop, op_nr, &op);  in process_op()
903 		status = htonl(NFS4ERR_MINOR_VERS_MISMATCH);  in process_op()
906 	if (status == htonl(NFS4ERR_OP_ILLEGAL))  in process_op()
908 	if (status)  in process_op()
912 		status = cps->drc_status;  in process_op()
918 		status = op->decode_args(rqstp, &rqstp->rq_arg_stream,  in process_op()
920 		if (likely(status == 0))  in process_op()
921 			status = op->process_op(rqstp->rq_argp, rqstp->rq_resp,  in process_op()
924 		status = htonl(NFS4ERR_RESOURCE);  in process_op()
927 	res = encode_op_hdr(xdr_out, op_nr, status);  in process_op()
930 	if (op->encode_res != NULL && status == 0)  in process_op()
931 		status = op->encode_res(rqstp, xdr_out, rqstp->rq_resp);  in process_op()
932 	return status;  in process_op()
948 	__be32 status;  in nfs4_callback_compound()  local
950 	status = decode_compound_hdr_arg(&rqstp->rq_arg_stream, &hdr_arg);  in nfs4_callback_compound()
951 	if (status == htonl(NFS4ERR_RESOURCE))  in nfs4_callback_compound()
976 	while (status == 0 && nops != hdr_arg.nops) {  in nfs4_callback_compound()
977 		status = process_op(nops, rqstp, &cps);  in nfs4_callback_compound()
982 	* resource error in cb_compound status without returning op */  in nfs4_callback_compound()
983 	if (unlikely(status == htonl(NFS4ERR_RESOURCE_HDR))) {  in nfs4_callback_compound()
984 		status = htonl(NFS4ERR_RESOURCE);  in nfs4_callback_compound()
993 	*hdr_res.status = status;  in nfs4_callback_compound()