SUNRPC: Clear the request rq_bytes_sent field in xprt_release_write

Otherwise the tests of req->rq_bytes_sent in xprt_prepare_transmit
will fail if we're dealing with a resend.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index e9ee7bf..8cc5c8b 100644 (file)
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -358,6 +358,11 @@ out_unlock:
 void xprt_release_xprt(struct rpc_xprt *xprt, struct rpc_task *task)
 {
        if (xprt->snd_task == task) {
+               if (task != NULL) {
+                       struct rpc_rqst *req = task->tk_rqstp;
+                       if (req != NULL)
+                               req->rq_bytes_sent = 0;
+               }
                xprt_clear_locked(xprt);
                __xprt_lock_write_next(xprt);
        }
@@ -375,6 +380,11 @@ EXPORT_SYMBOL_GPL(xprt_release_xprt);
 void xprt_release_xprt_cong(struct rpc_xprt *xprt, struct rpc_task *task)
 {
        if (xprt->snd_task == task) {
+               if (task != NULL) {
+                       struct rpc_rqst *req = task->tk_rqstp;
+                       if (req != NULL)
+                               req->rq_bytes_sent = 0;
+               }
                xprt_clear_locked(xprt);
                __xprt_lock_write_next_cong(xprt);
        }