From: Chuck Lever Subject: [PATCH 5/6] SUNRPC: Rename "call_" functions that are no longer FSM states Date: Fri, 21 Mar 2008 18:43:34 -0400 Message-ID: <20080321224334.18966.71286.stgit@ingres.1015granger.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Cc: linux-nfs@vger.kernel.org To: trond.myklebust@netapp.com Return-path: Received: from flpi195.sbcis.sbc.com ([207.115.20.197]:27753 "EHLO flpi195.prodigy.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756744AbYCUWnu (ORCPT ); Fri, 21 Mar 2008 18:43:50 -0400 Sender: linux-nfs-owner@vger.kernel.org List-ID: The RPC client uses a finite state machine to move RPC tasks through each step of an RPC request. Each state is contained in a function in net/sunrpc/clnt.c, and named call_foo. Some of the functions named call_foo have changed over the past few years and are no longer states in the FSM. These include: call_encode, call_header, and call_verify. Clean up: Rename the functions that are no longer real FSM states. Signed-off-by: Chuck Lever --- net/sunrpc/clnt.c | 35 +++++++++++++---------------------- 1 files changed, 13 insertions(+), 22 deletions(-) diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 31fae5f..c8acd56 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -58,7 +58,6 @@ static void call_start(struct rpc_task *task); static void call_reserve(struct rpc_task *task); static void call_reserveresult(struct rpc_task *task); static void call_allocate(struct rpc_task *task); -static void call_encode(struct rpc_task *task); static void call_decode(struct rpc_task *task); static void call_bind(struct rpc_task *task); static void call_bind_status(struct rpc_task *task); @@ -70,9 +69,9 @@ static void call_refreshresult(struct rpc_task *task); static void call_timeout(struct rpc_task *task); static void call_connect(struct rpc_task *task); static void call_connect_status(struct rpc_task *task); -static __be32 * call_header(struct rpc_task *task); -static __be32 * call_verify(struct rpc_task *task); +static __be32 *rpc_encode_header(struct rpc_task *task); +static __be32 *rpc_verify_header(struct rpc_task *task); static int rpc_ping(struct rpc_clnt *clnt, int flags); static void rpc_register_client(struct rpc_clnt *clnt) @@ -865,7 +864,7 @@ rpc_xdr_buf_init(struct xdr_buf *buf, void *start, size_t len) * 3. Encode arguments of an RPC call */ static void -call_encode(struct rpc_task *task) +rpc_xdr_encode(struct rpc_task *task) { struct rpc_rqst *req = task->tk_rqstp; kxdrproc_t encode; @@ -880,13 +879,14 @@ call_encode(struct rpc_task *task) (char *)req->rq_buffer + req->rq_callsize, req->rq_rcvsize); - /* Encode header and provided arguments */ - encode = task->tk_msg.rpc_proc->p_encode; - if (!(p = call_header(task))) { - printk(KERN_INFO "RPC: call_header failed, exit EIO\n"); + p = rpc_encode_header(task); + if (p == NULL) { + printk(KERN_INFO "RPC: couldn't encode RPC header, exit EIO\n"); rpc_exit(task, -EIO); return; } + + encode = task->tk_msg.rpc_proc->p_encode; if (encode == NULL) return; @@ -1050,7 +1050,7 @@ call_transmit(struct rpc_task *task) /* Encode here so that rpcsec_gss can use correct sequence number. */ if (rpc_task_need_encode(task)) { BUG_ON(task->tk_rqstp->rq_bytes_sent != 0); - call_encode(task); + rpc_xdr_encode(task); /* Did the encode result in an error condition? */ if (task->tk_status != 0) return; @@ -1222,8 +1222,7 @@ call_decode(struct rpc_task *task) WARN_ON(memcmp(&req->rq_rcv_buf, &req->rq_private_buf, sizeof(req->rq_rcv_buf)) != 0); - /* Verify the RPC header */ - p = call_verify(task); + p = rpc_verify_header(task); if (IS_ERR(p)) { if (p == ERR_PTR(-EAGAIN)) goto out_retry; @@ -1284,11 +1283,7 @@ call_refreshresult(struct rpc_task *task) return; } -/* - * Call header serialization - */ -static __be32 * -call_header(struct rpc_task *task) +static __be32 *rpc_encode_header(struct rpc_task *task) { struct rpc_clnt *clnt = task->tk_client; struct rpc_rqst *req = task->tk_rqstp; @@ -1308,11 +1303,7 @@ call_header(struct rpc_task *task) return p; } -/* - * Reply header verification - */ -static __be32 * -call_verify(struct rpc_task *task) +static __be32 *rpc_verify_header(struct rpc_task *task) { struct kvec *iov = &task->tk_rqstp->rq_rcv_buf.head[0]; int len = task->tk_rqstp->rq_rcv_buf.len >> 2; @@ -1386,7 +1377,7 @@ call_verify(struct rpc_task *task) task->tk_action = call_bind; goto out_retry; case RPC_AUTH_TOOWEAK: - printk(KERN_NOTICE "call_verify: server %s requires stronger " + printk(KERN_NOTICE "RPC: server %s requires stronger " "authentication.\n", task->tk_client->cl_server); break; default: