SUNRPC: Don't reset the request 'bytes_sent' counter when releasing XPRT_LOCK
authorTrond Myklebust <trond.myklebust@hammerspace.com>
Sat, 1 Sep 2018 18:20:12 +0000 (14:20 -0400)
committerTrond Myklebust <trond.myklebust@hammerspace.com>
Sun, 30 Sep 2018 19:35:15 +0000 (15:35 -0400)
If the request is still on the queue, this will be incorrect behaviour.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
net/sunrpc/clnt.c
net/sunrpc/xprt.c

index dcefbf406482ed4faba334daa9bc3eb2466655b9..4ca23a6607bad08c0fd49c0d2b07053ca7f18cf2 100644 (file)
@@ -2128,15 +2128,11 @@ static void
 call_status(struct rpc_task *task)
 {
        struct rpc_clnt *clnt = task->tk_client;
-       struct rpc_rqst *req = task->tk_rqstp;
        int             status;
 
        if (!task->tk_msg.rpc_proc->p_proc)
                trace_xprt_ping(task->tk_xprt, task->tk_status);
 
-       if (req->rq_reply_bytes_recvd > 0 && !req->rq_bytes_sent)
-               task->tk_status = req->rq_reply_bytes_recvd;
-
        dprint_status(task);
 
        status = task->tk_status;
index 6e735dd1fde071083647d43194caa251f54c590f..a4b854d6f685c2a9e3a078ccd150e8b319c5ae7c 100644 (file)
@@ -332,15 +332,6 @@ out_unlock:
        xprt_clear_locked(xprt);
 }
 
-static void xprt_task_clear_bytes_sent(struct rpc_task *task)
-{
-       if (task != NULL) {
-               struct rpc_rqst *req = task->tk_rqstp;
-               if (req != NULL)
-                       req->rq_bytes_sent = 0;
-       }
-}
-
 /**
  * xprt_release_xprt - allow other requests to use a transport
  * @xprt: transport with other tasks potentially waiting
@@ -351,7 +342,6 @@ static void xprt_task_clear_bytes_sent(struct rpc_task *task)
 void xprt_release_xprt(struct rpc_xprt *xprt, struct rpc_task *task)
 {
        if (xprt->snd_task == task) {
-               xprt_task_clear_bytes_sent(task);
                xprt_clear_locked(xprt);
                __xprt_lock_write_next(xprt);
        }
@@ -369,7 +359,6 @@ EXPORT_SYMBOL_GPL(xprt_release_xprt);
 void xprt_release_xprt_cong(struct rpc_xprt *xprt, struct rpc_task *task)
 {
        if (xprt->snd_task == task) {
-               xprt_task_clear_bytes_sent(task);
                xprt_clear_locked(xprt);
                __xprt_lock_write_next_cong(xprt);
        }
@@ -742,7 +731,6 @@ bool xprt_lock_connect(struct rpc_xprt *xprt,
                goto out;
        if (xprt->snd_task != task)
                goto out;
-       xprt_task_clear_bytes_sent(task);
        xprt->snd_task = cookie;
        ret = true;
 out:
@@ -788,7 +776,6 @@ void xprt_connect(struct rpc_task *task)
                xprt->ops->close(xprt);
 
        if (!xprt_connected(xprt)) {
-               task->tk_rqstp->rq_bytes_sent = 0;
                task->tk_timeout = task->tk_rqstp->rq_timeout;
                task->tk_rqstp->rq_connect_cookie = xprt->connect_cookie;
                rpc_sleep_on(&xprt->pending, task, xprt_connect_status);
@@ -1094,7 +1081,6 @@ xprt_request_enqueue_transmit(struct rpc_task *task)
 static void
 xprt_request_dequeue_transmit_locked(struct rpc_task *task)
 {
-       xprt_task_clear_bytes_sent(task);
        if (test_and_clear_bit(RPC_TASK_NEED_XMIT, &task->tk_runstate))
                list_del(&task->tk_rqstp->rq_xmit);
 }