1 files changed, 11 insertions, 22 deletions

diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index bfbda676574a..b6f47da170b3 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -302,6 +302,15 @@ static void svc_thread_dequeue(struct svc_pool *pool, struct svc_rqst *rqstp)
         list_del(&rqstp->rq_list);
 }
 
+static bool svc_xprt_has_something_to_do(struct svc_xprt *xprt)
+{
+        if (xprt->xpt_flags & ((1<<XPT_CONN)|(1<<XPT_CLOSE)))
+                return true;
+        if (xprt->xpt_flags & ((1<<XPT_DATA)|(1<<XPT_DEFERRED)))
+                return xprt->xpt_ops->xpo_has_wspace(xprt);
+        return false;
+}
+
 /*
  * Queue up a transport with data pending. If there are idle nfsd
  * processes, wake 'em up.
@@ -314,8 +323,7 @@ void svc_xprt_enqueue(struct svc_xprt *xprt)
         struct svc_rqst *rqstp;
         int cpu;
 
-        if (!(xprt->xpt_flags &
-              ((1<<XPT_CONN)|(1<<XPT_DATA)|(1<<XPT_CLOSE)|(1<<XPT_DEFERRED))))
+        if (!svc_xprt_has_something_to_do(xprt))
                 return;
 
         cpu = get_cpu();
@@ -345,25 +353,6 @@ void svc_xprt_enqueue(struct svc_xprt *xprt)
         BUG_ON(xprt->xpt_pool != NULL);
         xprt->xpt_pool = pool;
 
-        /* Handle pending connection */
-        if (test_bit(XPT_CONN, &xprt->xpt_flags))
-                goto process;
-
-        /* Handle close in-progress */
-        if (test_bit(XPT_CLOSE, &xprt->xpt_flags))
-                goto process;
-
-        /* Check if we have space to reply to a request */
-        if (!xprt->xpt_ops->xpo_has_wspace(xprt)) {
-                /* Don't enqueue while not enough space for reply */
-                dprintk("svc: no write space, transport %p  not enqueued\n",
-                        xprt);
-                xprt->xpt_pool = NULL;
-                clear_bit(XPT_BUSY, &xprt->xpt_flags);
-                goto out_unlock;
-        }
-
- process:
         if (!list_empty(&pool->sp_threads)) {
                 rqstp = list_entry(pool->sp_threads.next,
                                    struct svc_rqst,
@@ -744,7 +733,7 @@ int svc_recv(struct svc_rqst *rqstp, long timeout)
                         spin_unlock_bh(&serv->sv_lock);
                         svc_xprt_received(newxpt);
                 }
-        } else {
+        } else if (xprt->xpt_ops->xpo_has_wspace(xprt)) {
                 dprintk("svc: server %p, pool %u, transport %p, inuse=%d\n",
                         rqstp, pool->sp_id, xprt,
                         atomic_read(&xprt->xpt_ref.refcount));