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nfs41: Rename rq_received to rq_reply_bytes_recvd

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The 'rq_received' member of 'struct rpc_rqst' is used to track when we
have received a reply to our request.  With v4.1, the backchannel
can now accept callback requests over the existing connection.  Rename
this field to make it clear that it is only used for tracking reply bytes
and not all bytes received on the connection.

Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
This commit is contained in:
Ricardo Labiaga
2009-04-01 09:23:28 -04:00
committed by Benny Halevy
parent 281fe15dc1
commit dd2b63d049
5 changed files with 16 additions and 14 deletions
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net/sunrpc/xprt.c
+8 -7
View File
@@ -806,9 +806,10 @@ void xprt_complete_rqst(struct rpc_task *task, int copied)
list_del_init(&req->rq_list);
req->rq_private_buf.len = copied;
/* Ensure all writes are done before we update req->rq_received */
/* Ensure all writes are done before we update */
/* req->rq_reply_bytes_recvd */
smp_wmb();
req->rq_received = copied;
req->rq_reply_bytes_recvd = copied;
rpc_wake_up_queued_task(&xprt->pending, task);
}
EXPORT_SYMBOL_GPL(xprt_complete_rqst);
@@ -823,7 +824,7 @@ static void xprt_timer(struct rpc_task *task)
dprintk("RPC: %5u xprt_timer\n", task->tk_pid);
spin_lock_bh(&xprt->transport_lock);
if (!req->rq_received) {
if (!req->rq_reply_bytes_recvd) {
if (xprt->ops->timer)
xprt->ops->timer(task);
} else
@@ -845,8 +846,8 @@ int xprt_prepare_transmit(struct rpc_task *task)
dprintk("RPC: %5u xprt_prepare_transmit\n", task->tk_pid);
spin_lock_bh(&xprt->transport_lock);
if (req->rq_received && !req->rq_bytes_sent) {
err = req->rq_received;
if (req->rq_reply_bytes_recvd && !req->rq_bytes_sent) {
err = req->rq_reply_bytes_recvd;
goto out_unlock;
}
if (!xprt->ops->reserve_xprt(task))
@@ -875,7 +876,7 @@ void xprt_transmit(struct rpc_task *task)
dprintk("RPC: %5u xprt_transmit(%u)\n", task->tk_pid, req->rq_slen);
if (!req->rq_received) {
if (!req->rq_reply_bytes_recvd) {
if (list_empty(&req->rq_list) && rpc_reply_expected(task)) {
/*
* Add to the list only if we're expecting a reply
@@ -914,7 +915,7 @@ void xprt_transmit(struct rpc_task *task)
/* Don't race with disconnect */
if (!xprt_connected(xprt))
task->tk_status = -ENOTCONN;
else if (!req->rq_received && rpc_reply_expected(task)) {
else if (!req->rq_reply_bytes_recvd && rpc_reply_expected(task)) {
/*
* Sleep on the pending queue since
* we're expecting a reply.