NFSv4.1: remove GETATTR from ds writes

Any WRITE compound directed to a data server needs to have the
GETATTR calls suppressed.

Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 5 insertions, 3 deletions

diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index a656b6e179b0..0f2dcfb41f29 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -2275,7 +2275,8 @@ static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr,
         encode_putfh(xdr, args->fh, &hdr);
         encode_write(xdr, args, &hdr);
         req->rq_snd_buf.flags |= XDRBUF_WRITE;
-        encode_getfattr(xdr, args->bitmask, &hdr);
+        if (args->bitmask)
+                encode_getfattr(xdr, args->bitmask, &hdr);
         encode_nops(&hdr);
 }
 
@@ -5694,8 +5695,9 @@ static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr,
         status = decode_write(xdr, res);
         if (status)
                 goto out;
-        decode_getfattr(xdr, res->fattr, res->server,
-                        !RPC_IS_ASYNC(rqstp->rq_task));
+        if (res->fattr)
+                decode_getfattr(xdr, res->fattr, res->server,
+                                !RPC_IS_ASYNC(rqstp->rq_task));
         if (!status)
                 status = res->count;
 out: