sunrpc: Factor out rpc_xprt allocation

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 970fb00f388c..26cbe219388b 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -962,6 +962,28 @@ static void xprt_free_slot(struct rpc_xprt *xprt, struct rpc_rqst *req)
         spin_unlock(&xprt->reserve_lock);
 }
 
+struct rpc_xprt *xprt_alloc(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;
+
+        return xprt;
+
+out_free:
+        kfree(xprt);
+out:
+        return NULL;
+}
+EXPORT_SYMBOL_GPL(xprt_alloc);
+
 /**
  * xprt_reserve - allocate an RPC request slot
  * @task: RPC task requesting a slot allocation