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[PATCH] RPC: Rename xprt_lock 

Clean-up: Replace the xprt_lock with something more aptly named.  This lock
 single-threads the XID and request slot reservation process.

 Test-plan:
 Compile kernel with CONFIG_NFS enabled.

 Version: Thu, 11 Aug 2005 16:05:26 -0400

 Signed-off-by: Chuck Lever <cel@netapp.com>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
wifi-calibration
Chuck Lever 2005-08-11 16:25:35 -04:00 committed by Trond Myklebust
parent 4a0f8c04f2
commit 5dc07727f8
2 changed files with 6 additions and 6 deletions
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2
include/linux/sunrpc/xprt.h
View File

@ -199,7 +199,7 @@ struct rpc_xprt {
* Send stuff
*/
spinlock_t transport_lock; /* lock transport info */
spinlock_t xprt_lock; /* lock xprt info */
spinlock_t reserve_lock; /* lock slot table */
struct rpc_task * snd_task; /* Task blocked in send */
struct list_head recv;

10
net/sunrpc/xprt.c
View File

@ -643,9 +643,9 @@ void xprt_reserve(struct rpc_task *task)
task->tk_status = -EIO;
if (!xprt->shutdown) {
spin_lock(&xprt->xprt_lock);
spin_lock(&xprt->reserve_lock);
do_xprt_reserve(task);
spin_unlock(&xprt->xprt_lock);
spin_unlock(&xprt->reserve_lock);
}
}
@ -698,10 +698,10 @@ void xprt_release(struct rpc_task *task)
dprintk("RPC: %4d release request %p\n", task->tk_pid, req);
spin_lock(&xprt->xprt_lock);
spin_lock(&xprt->reserve_lock);
list_add(&req->rq_list, &xprt->free);
xprt_clear_backlog(xprt);
spin_unlock(&xprt->xprt_lock);
spin_unlock(&xprt->reserve_lock);
}
/**
@ -751,7 +751,7 @@ static struct rpc_xprt *xprt_setup(int proto, struct sockaddr_in *ap, struct rpc
}
spin_lock_init(&xprt->transport_lock);
spin_lock_init(&xprt->xprt_lock);
spin_lock_init(&xprt->reserve_lock);
init_waitqueue_head(&xprt->cong_wait);
INIT_LIST_HEAD(&xprt->free);