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authorTrond Myklebust <Trond.Myklebust@netapp.com>2006-01-03 09:55:56 +0100
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-01-06 14:58:58 -0500
commit0065db328533c390fbfb0fe0c46bcf9a278fb99e (patch)
tree3ef282aa05653857007760ce15a4119f198f8320 /net/sunrpc
parent632e3bdc5006334cea894d078660b691685e1075 (diff)
downloadop-kernel-dev-0065db328533c390fbfb0fe0c46bcf9a278fb99e.zip
op-kernel-dev-0065db328533c390fbfb0fe0c46bcf9a278fb99e.tar.gz
SUNRPC: Clean up xprt_destroy()
We ought never to be calling xprt_destroy() if there are still active rpc_tasks. Optimise away the broken code that attempts to "fix" that case. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/xprt.c30
1 files changed, 6 insertions, 24 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 8bc0d5a..8ff2c8a 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -534,10 +534,6 @@ void xprt_connect(struct rpc_task *task)
dprintk("RPC: %4d xprt_connect xprt %p %s connected\n", task->tk_pid,
xprt, (xprt_connected(xprt) ? "is" : "is not"));
- if (xprt->shutdown) {
- task->tk_status = -EIO;
- return;
- }
if (!xprt->addr.sin_port) {
task->tk_status = -EIO;
return;
@@ -686,9 +682,6 @@ int xprt_prepare_transmit(struct rpc_task *task)
dprintk("RPC: %4d xprt_prepare_transmit\n", task->tk_pid);
- if (xprt->shutdown)
- return -EIO;
-
spin_lock_bh(&xprt->transport_lock);
if (req->rq_received && !req->rq_bytes_sent) {
err = req->rq_received;
@@ -813,11 +806,9 @@ void xprt_reserve(struct rpc_task *task)
struct rpc_xprt *xprt = task->tk_xprt;
task->tk_status = -EIO;
- if (!xprt->shutdown) {
- spin_lock(&xprt->reserve_lock);
- do_xprt_reserve(task);
- spin_unlock(&xprt->reserve_lock);
- }
+ spin_lock(&xprt->reserve_lock);
+ do_xprt_reserve(task);
+ spin_unlock(&xprt->reserve_lock);
}
static inline u32 xprt_alloc_xid(struct rpc_xprt *xprt)
@@ -864,7 +855,7 @@ void xprt_release(struct rpc_task *task)
if (!list_empty(&req->rq_list))
list_del(&req->rq_list);
xprt->last_used = jiffies;
- if (list_empty(&xprt->recv) && !xprt->shutdown)
+ if (list_empty(&xprt->recv))
mod_timer(&xprt->timer,
xprt->last_used + xprt->idle_timeout);
spin_unlock_bh(&xprt->transport_lock);
@@ -976,16 +967,6 @@ struct rpc_xprt *xprt_create_proto(int proto, struct sockaddr_in *sap, struct rp
return xprt;
}
-static void xprt_shutdown(struct rpc_xprt *xprt)
-{
- xprt->shutdown = 1;
- rpc_wake_up(&xprt->sending);
- rpc_wake_up(&xprt->resend);
- xprt_wake_pending_tasks(xprt, -EIO);
- rpc_wake_up(&xprt->backlog);
- del_timer_sync(&xprt->timer);
-}
-
/**
* xprt_destroy - destroy an RPC transport, killing off all requests.
* @xprt: transport to destroy
@@ -994,7 +975,8 @@ static void xprt_shutdown(struct rpc_xprt *xprt)
int xprt_destroy(struct rpc_xprt *xprt)
{
dprintk("RPC: destroying transport %p\n", xprt);
- xprt_shutdown(xprt);
+ xprt->shutdown = 1;
+ del_timer_sync(&xprt->timer);
xprt->ops->destroy(xprt);
kfree(xprt);
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