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NFS: Clean up the synopsis of callback process_op()

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The xdr_stream and rq_arg and rq_res are already accessible via the
@rqstp parameter.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2021-07-15 15:52:43 -04:00 committed by Anna Schumaker
parent 89ef17b663
commit 9eff97abef
1 changed files with 9 additions and 10 deletions
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19
fs/nfs/callback_xdr.c
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@ -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++;
}