nfs: RPC_MAX_AUTH_SIZE is in bytes

The units of RPC_MAX_AUTH_SIZE is bytes, not 4-byte words.  This causes
the client to request a larger-than-necessary session replay slot size.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 37c8af0..14ed979 100644 (file)
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -1842,8 +1842,8 @@ static void encode_create_session(struct xdr_stream *xdr,
         * Assumes OPEN is the biggest non-idempotent compound.
         * 2 is the verifier.
         */
-       max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE +
-                             RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT;
+       max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + 2)
+                               * XDR_UNIT + RPC_MAX_AUTH_SIZE;
 
        encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr);
        p = reserve_space(xdr, 16 + 2*28 + 20 + clnt->cl_nodelen + 12);