lockd: Update the NLMv4 CANCEL arguments decoder to use struct xdr_stream
authorChuck Lever <chuck.lever@oracle.com>
Thu, 3 Jun 2021 20:52:34 +0000 (16:52 -0400)
committerJ. Bruce Fields <bfields@redhat.com>
Wed, 7 Jul 2021 00:14:43 +0000 (20:14 -0400)
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
fs/lockd/xdr4.c

index 1d3e780c25fd5bb0d2144ca5329ca6e04420d93b..37d45f1d719991891eec1d6af835f4abf959ae3d 100644 (file)
@@ -291,30 +291,33 @@ nlm4svc_decode_lockargs(struct svc_rqst *rqstp, __be32 *p)
 }
 
 int
-nlm4svc_encode_testres(struct svc_rqst *rqstp, __be32 *p)
+nlm4svc_decode_cancargs(struct svc_rqst *rqstp, __be32 *p)
 {
-       struct nlm_res *resp = rqstp->rq_resp;
+       struct xdr_stream *xdr = &rqstp->rq_arg_stream;
+       struct nlm_args *argp = rqstp->rq_argp;
+       u32 exclusive;
 
-       if (!(p = nlm4_encode_testres(p, resp)))
+       if (!svcxdr_decode_cookie(xdr, &argp->cookie))
                return 0;
-       return xdr_ressize_check(rqstp, p);
+       if (xdr_stream_decode_bool(xdr, &argp->block) < 0)
+               return 0;
+       if (xdr_stream_decode_bool(xdr, &exclusive) < 0)
+               return 0;
+       if (!svcxdr_decode_lock(xdr, &argp->lock))
+               return 0;
+       if (exclusive)
+               argp->lock.fl.fl_type = F_WRLCK;
+       return 1;
 }
 
 int
-nlm4svc_decode_cancargs(struct svc_rqst *rqstp, __be32 *p)
+nlm4svc_encode_testres(struct svc_rqst *rqstp, __be32 *p)
 {
-       struct nlm_args *argp = rqstp->rq_argp;
-       u32     exclusive;
+       struct nlm_res *resp = rqstp->rq_resp;
 
-       if (!(p = nlm4_decode_cookie(p, &argp->cookie)))
-               return 0;
-       argp->block = ntohl(*p++);
-       exclusive = ntohl(*p++);
-       if (!(p = nlm4_decode_lock(p, &argp->lock)))
+       if (!(p = nlm4_encode_testres(p, resp)))
                return 0;
-       if (exclusive)
-               argp->lock.fl.fl_type = F_WRLCK;
-       return xdr_argsize_check(rqstp, p);
+       return xdr_ressize_check(rqstp, p);
 }
 
 int