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Diffstat (limited to 'net/sunrpc/xprt.c')
-rw-r--r--net/sunrpc/xprt.c39
1 files changed, 33 insertions, 6 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 970fb00f388c..4c8f18aff7c3 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -199,8 +199,6 @@ int xprt_reserve_xprt(struct rpc_task *task)
if (test_and_set_bit(XPRT_LOCKED, &xprt->state)) {
if (task == xprt->snd_task)
return 1;
- if (task == NULL)
- return 0;
goto out_sleep;
}
xprt->snd_task = task;
@@ -757,13 +755,11 @@ static void xprt_connect_status(struct rpc_task *task)
*/
struct rpc_rqst *xprt_lookup_rqst(struct rpc_xprt *xprt, __be32 xid)
{
- struct list_head *pos;
+ struct rpc_rqst *entry;
- list_for_each(pos, &xprt->recv) {
- struct rpc_rqst *entry = list_entry(pos, struct rpc_rqst, rq_list);
+ list_for_each_entry(entry, &xprt->recv, rq_list)
if (entry->rq_xid == xid)
return entry;
- }
dprintk("RPC: xprt_lookup_rqst did not find xid %08x\n",
ntohl(xid));
@@ -962,6 +958,37 @@ static void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req)
spin_unlock(&xprt->reserve_lock);
}
+struct rpc_xprt *xprt_alloc(struct net *net, int size, int max_req)
+{
+ struct rpc_xprt *xprt;
+
+ xprt = kzalloc(size, GFP_KERNEL);
+ if (xprt == NULL)
+ goto out;
+
+ xprt->max_reqs = max_req;
+ xprt->slot = kcalloc(max_req, sizeof(struct rpc_rqst), GFP_KERNEL);
+ if (xprt->slot == NULL)
+ goto out_free;
+
+ xprt->xprt_net = get_net(net);
+ return xprt;
+
+out_free:
+ kfree(xprt);
+out:
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(xprt_alloc);
+
+void xprt_free(struct rpc_xprt *xprt)
+{
+ put_net(xprt->xprt_net);
+ kfree(xprt->slot);
+ kfree(xprt);
+}
+EXPORT_SYMBOL_GPL(xprt_free);
+
/**
* xprt_reserve - allocate an RPC request slot
* @task: RPC task requesting a slot allocation