NFSD: Update the NFSv3 CREATE family of encoders to use struct xdr_stream

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index 0191cbfc486b8eb8e2fa67733143510585dd8e60..052376a65f7233f2b2b8733fbb17de18330d69d4 100644 (file)
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -121,6 +121,17 @@ svcxdr_encode_nfs_fh3(struct xdr_stream *xdr, const struct svc_fh *fhp)
        return true;
 }
 
+static bool
+svcxdr_encode_post_op_fh3(struct xdr_stream *xdr, const struct svc_fh *fhp)
+{
+       if (xdr_stream_encode_item_present(xdr) < 0)
+               return false;
+       if (!svcxdr_encode_nfs_fh3(xdr, fhp))
+               return false;
+
+       return true;
+}
+
 static __be32 *
 encode_fh(__be32 *p, struct svc_fh *fhp)
 {
@@ -1079,16 +1090,26 @@ nfs3svc_encode_writeres(struct svc_rqst *rqstp, __be32 *p)
 int
 nfs3svc_encode_createres(struct svc_rqst *rqstp, __be32 *p)
 {
+       struct xdr_stream *xdr = &rqstp->rq_res_stream;
        struct nfsd3_diropres *resp = rqstp->rq_resp;
 
-       *p++ = resp->status;
-       if (resp->status == 0) {
-               *p++ = xdr_one;
-               p = encode_fh(p, &resp->fh);
-               p = encode_post_op_attr(rqstp, p, &resp->fh);
+       if (!svcxdr_encode_nfsstat3(xdr, resp->status))
+               return 0;
+       switch (resp->status) {
+       case nfs_ok:
+               if (!svcxdr_encode_post_op_fh3(xdr, &resp->fh))
+                       return 0;
+               if (!svcxdr_encode_post_op_attr(rqstp, xdr, &resp->fh))
+                       return 0;
+               if (!svcxdr_encode_wcc_data(rqstp, xdr, &resp->dirfh))
+                       return 0;
+               break;
+       default:
+               if (!svcxdr_encode_wcc_data(rqstp, xdr, &resp->dirfh))
+                       return 0;
        }
-       p = encode_wcc_data(rqstp, p, &resp->dirfh);
-       return xdr_ressize_check(rqstp, p);
+
+       return 1;
 }
 
 /* RENAME */