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>

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 1524854..da90212 100644 (file)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3149,7 +3149,11 @@ static void nfs4_proc_write_setup(struct nfs_write_data *data, struct rpc_messag
 {
        struct nfs_server *server = NFS_SERVER(data->inode);
 
-       data->args.bitmask = server->cache_consistency_bitmask;
+       if (data->lseg) {
+               data->args.bitmask = NULL;
+               data->res.fattr = NULL;
+       } else
+               data->args.bitmask = server->cache_consistency_bitmask;
        if (!data->write_done_cb)
                data->write_done_cb = nfs4_write_done_cb;
        data->res.server = server;

diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index a656b6e..0f2dcfb 100644 (file)
--- 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: