Merge git://git.linux-nfs.org/pub/linux/nfs-2.6

* git://git.linux-nfs.org/pub/linux/nfs-2.6: (118 commits)
  NFSv4: Iterate through all nfs_clients when the server recalls a delegation
  NFSv4: Deal more correctly with duplicate delegations
  NFS: Fix a potential race between umount and nfs_access_cache_shrinker()
  NFS: Add an asynchronous delegreturn operation for use in nfs_clear_inode
  nfs: convert NFS_*(inode) helpers to static inline
  nfs: obliterate NFS_FLAGS macro
  NFS: Address memory leaks in the NFS client mount option parser
  nfs4: allow nfsv4 acls on non-regular-files
  NFS: Optimise away the sigmask code in aio/dio reads and writes
  SUNRPC: Don't bother changing the sigmask for asynchronous RPC calls
  SUNRPC: rpcb_getport_sync() passes incorrect address size to rpc_create()
  SUNRPC: Clean up block comment preceding rpcb_getport_sync()
  SUNRPC: Use appropriate argument types in rpcb client
  SUNRPC: rpcb_getport_sync() should use built-in hostname generator
  SUNRPC: Clean up functions that free address_strings array
  NFS: NFS version number is unsigned
  NLM: Fix a bogus 'return' in nlmclnt_rpc_release
  NLM: Introduce an arguments structure for nlmclnt_init()
  NLM/NFS: Use cached nlm_host when calling nlmclnt_proc()
  NFS: Invoke nlmclnt_init during NFS mount processing
  ...

1 files changed, 29 insertions, 25 deletions

diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index fb92f51405c5..cfcade906a56 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -501,9 +501,10 @@ EXPORT_SYMBOL_GPL(xprt_set_retrans_timeout_def);
 void xprt_set_retrans_timeout_rtt(struct rpc_task *task)
 {
         int timer = task->tk_msg.rpc_proc->p_timer;
-        struct rpc_rtt *rtt = task->tk_client->cl_rtt;
+        struct rpc_clnt *clnt = task->tk_client;
+        struct rpc_rtt *rtt = clnt->cl_rtt;
         struct rpc_rqst *req = task->tk_rqstp;
-        unsigned long max_timeout = req->rq_xprt->timeout.to_maxval;
+        unsigned long max_timeout = clnt->cl_timeout->to_maxval;
 
         task->tk_timeout = rpc_calc_rto(rtt, timer);
         task->tk_timeout <<= rpc_ntimeo(rtt, timer) + req->rq_retries;
@@ -514,7 +515,7 @@ EXPORT_SYMBOL_GPL(xprt_set_retrans_timeout_rtt);
 
 static void xprt_reset_majortimeo(struct rpc_rqst *req)
 {
-        struct rpc_timeout *to = &req->rq_xprt->timeout;
+        const struct rpc_timeout *to = req->rq_task->tk_client->cl_timeout;
 
         req->rq_majortimeo = req->rq_timeout;
         if (to->to_exponential)
@@ -534,7 +535,7 @@ static void xprt_reset_majortimeo(struct rpc_rqst *req)
 int xprt_adjust_timeout(struct rpc_rqst *req)
 {
         struct rpc_xprt *xprt = req->rq_xprt;
-        struct rpc_timeout *to = &xprt->timeout;
+        const struct rpc_timeout *to = req->rq_task->tk_client->cl_timeout;
         int status = 0;
 
         if (time_before(jiffies, req->rq_majortimeo)) {
@@ -568,17 +569,17 @@ static void xprt_autoclose(struct work_struct *work)
         struct rpc_xprt *xprt =
                 container_of(work, struct rpc_xprt, task_cleanup);
 
-        xprt_disconnect(xprt);
         xprt->ops->close(xprt);
+        clear_bit(XPRT_CLOSE_WAIT, &xprt->state);
         xprt_release_write(xprt, NULL);
 }
 
 /**
- * xprt_disconnect - mark a transport as disconnected
+ * xprt_disconnect_done - mark a transport as disconnected
  * @xprt: transport to flag for disconnect
  *
  */
-void xprt_disconnect(struct rpc_xprt *xprt)
+void xprt_disconnect_done(struct rpc_xprt *xprt)
 {
         dprintk("RPC:       disconnected transport %p\n", xprt);
         spin_lock_bh(&xprt->transport_lock);
@@ -586,7 +587,26 @@ void xprt_disconnect(struct rpc_xprt *xprt)
         xprt_wake_pending_tasks(xprt, -ENOTCONN);
         spin_unlock_bh(&xprt->transport_lock);
 }
-EXPORT_SYMBOL_GPL(xprt_disconnect);
+EXPORT_SYMBOL_GPL(xprt_disconnect_done);
+
+/**
+ * xprt_force_disconnect - force a transport to disconnect
+ * @xprt: transport to disconnect
+ *
+ */
+void xprt_force_disconnect(struct rpc_xprt *xprt)
+{
+        /* Don't race with the test_bit() in xprt_clear_locked() */
+        spin_lock_bh(&xprt->transport_lock);
+        set_bit(XPRT_CLOSE_WAIT, &xprt->state);
+        /* Try to schedule an autoclose RPC call */
+        if (test_and_set_bit(XPRT_LOCKED, &xprt->state) == 0)
+                queue_work(rpciod_workqueue, &xprt->task_cleanup);
+        else if (xprt->snd_task != NULL)
+                rpc_wake_up_task(xprt->snd_task);
+        spin_unlock_bh(&xprt->transport_lock);
+}
+EXPORT_SYMBOL_GPL(xprt_force_disconnect);
 
 static void
 xprt_init_autodisconnect(unsigned long data)
@@ -909,7 +929,7 @@ static void xprt_request_init(struct rpc_task *task, struct rpc_xprt *xprt)
 {
         struct rpc_rqst *req = task->tk_rqstp;
 
-        req->rq_timeout = xprt->timeout.to_initval;
+        req->rq_timeout = task->tk_client->cl_timeout->to_initval;
         req->rq_task    = task;
         req->rq_xprt    = xprt;
         req->rq_buffer  = NULL;
@@ -959,22 +979,6 @@ void xprt_release(struct rpc_task *task)
 }
 
 /**
- * xprt_set_timeout - set constant RPC timeout
- * @to: RPC timeout parameters to set up
- * @retr: number of retries
- * @incr: amount of increase after each retry
- *
- */
-void xprt_set_timeout(struct rpc_timeout *to, unsigned int retr, unsigned long incr)
-{
-        to->to_initval   =
-        to->to_increment = incr;
-        to->to_maxval    = to->to_initval + (incr * retr);
-        to->to_retries   = retr;
-        to->to_exponential = 0;
-}
-
-/**
  * xprt_create_transport - create an RPC transport
  * @args: rpc transport creation arguments
  *