From 9eff97abef057c02a13bb3aa0e4821cd60fd80df Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Thu, 15 Jul 2021 15:52:43 -0400 Subject: [PATCH] NFS: Clean up the synopsis of callback process_op() The xdr_stream and rq_arg and rq_res are already accessible via the @rqstp parameter. Signed-off-by: Chuck Lever Signed-off-by: Anna Schumaker --- fs/nfs/callback_xdr.c | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c index bf0efec..4c48d85 100644 --- a/fs/nfs/callback_xdr.c +++ b/fs/nfs/callback_xdr.c @@ -863,17 +863,16 @@ preprocess_nfs4_op(unsigned int op_nr, struct callback_op **op) } static __be32 process_op(int nop, struct svc_rqst *rqstp, - struct xdr_stream *xdr_in, void *argp, - struct xdr_stream *xdr_out, void *resp, - struct cb_process_state *cps) + struct cb_process_state *cps) { + struct xdr_stream *xdr_out = &rqstp->rq_res_stream; struct callback_op *op = &callback_ops[0]; unsigned int op_nr; __be32 status; long maxlen; __be32 res; - status = decode_op_hdr(xdr_in, &op_nr); + status = decode_op_hdr(&rqstp->rq_arg_stream, &op_nr); if (unlikely(status)) return status; @@ -903,9 +902,11 @@ static __be32 process_op(int nop, struct svc_rqst *rqstp, maxlen = xdr_out->end - xdr_out->p; if (maxlen > 0 && maxlen < PAGE_SIZE) { - status = op->decode_args(rqstp, xdr_in, argp); + status = op->decode_args(rqstp, &rqstp->rq_arg_stream, + rqstp->rq_argp); if (likely(status == 0)) - status = op->process_op(argp, resp, cps); + status = op->process_op(rqstp->rq_argp, rqstp->rq_resp, + cps); } else status = htonl(NFS4ERR_RESOURCE); @@ -914,7 +915,7 @@ encode_hdr: if (unlikely(res)) return res; if (op->encode_res != NULL && status == 0) - status = op->encode_res(rqstp, xdr_out, resp); + status = op->encode_res(rqstp, xdr_out, rqstp->rq_resp); return status; } @@ -959,9 +960,7 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp) return rpc_system_err; } while (status == 0 && nops != hdr_arg.nops) { - status = process_op(nops, rqstp, &rqstp->rq_arg_stream, - rqstp->rq_argp, &rqstp->rq_res_stream, - rqstp->rq_resp, &cps); + status = process_op(nops, rqstp, &cps); nops++; } -- 2.7.4