@@ -494,13 +494,10 @@ static void rpcrdma_inline_pullup(struct rpc_rqst *rqst)
* Marshal a request: the primary job of this routine is to choose
* the transfer modes. See comments below.
*
- * Uses multiple RDMA IOVs for a request:
- * [0] -- RPC RDMA header, which uses memory from the *start* of the
- * preregistered buffer that already holds the RPC data in
- * its middle.
- * [1] -- the RPC header/data, marshaled by RPC and the NFS protocol.
- * [2] -- optional padding.
- * [3] -- if padded, header only in [1] and data here.
+ * Prepares up to two IOVs per Call message:
+ *
+ * [0] -- RPC RDMA header
+ * [1] -- the RPC header/data
*
* Returns zero on success, otherwise a negative errno.
*/
@@ -624,13 +621,6 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst)
__func__, transfertypes[wtype], hdrlen, rpclen,
headerp, base, rdmab_lkey(req->rl_rdmabuf));
- /*
- * initialize send_iov's - normally only two: rdma chunk header and
- * single preregistered RPC header buffer, but if padding is present,
- * then use a preregistered (and zeroed) pad buffer between the RPC
- * header and any write data. In all non-rdma cases, any following
- * data has been copied into the RPC header buffer.
- */
req->rl_send_iov[0].addr = rdmab_addr(req->rl_rdmabuf);
req->rl_send_iov[0].length = hdrlen;
req->rl_send_iov[0].lkey = rdmab_lkey(req->rl_rdmabuf);