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Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Trond Myklebust 2006-01-03 09:55:56 +01:00
parent 632e3bdc50
commit 0065db3285
1 changed files with 6 additions and 24 deletions
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30
net/sunrpc/xprt.c
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@ -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);