[PATCH 18/24] NFS: Decode NFSv2 dirop reply using an xdr_stream

[Chuck Lever <chuck.lever@oracle.com>]

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

 fs/nfs/nfs2xdr.c |   27 +++++++++++++++++++++++++++
 1 files changed, 27 insertions(+), 0 deletions(-)

diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c
index 049f139..b464c0b 100644
--- a/fs/nfs/nfs2xdr.c
+++ b/fs/nfs/nfs2xdr.c
@@ -941,6 +941,33 @@ nfs_xdr_diropres(struct rpc_rqst *req, __be32 *p, struct nfs_diropok *res)
 }
 
 /*
+ * 2.3.11.  diropres
+ *
+ *	union diropres switch (stat status) {
+ *	case NFS_OK:
+ *		struct {
+ *			fhandle file;
+ *			fattr   attributes;
+ *		} diropok;
+ *	default:
+ *		void;
+ *	};
+ */
+static int nfs2_xdr_dec_diropres(struct rpc_rqst *req, __be32 *p,
+				 struct nfs_diropok *result)
+{
+	struct xdr_stream xdr;
+	enum nfs_stat status;
+
+	xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
+	if (decode_stat(&xdr, &status) != 0)
+		return -EIO;
+	if (status != NFS_OK)
+		return nfs_stat_to_errno(status);
+	return decode_diropok(&xdr, result->fh, result->fattr);
+}
+
+/*
  * Decode READLINK reply
  */
 static int