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List: openvz-devel
Subject: [Devel] [PATCH v2 4/4] SUNRPC: optimize net_ns dereferencing in rpcbind registering calls
From: skinsbursky () parallels ! com (Stanislav Kinsbursky)
Date: 2011-10-25 14:58:26
Message-ID: 20111025135819.5286.9099.stgit () localhost6 ! localdomain6
[Download RAW message or body]
Static rpcbind registering functions can be parametrized by network namespace
pointer, calculated only once, instead of using init_net pointer (or taking it
from current when virtualization will be comleted) in many places.
Signed-off-by: Stanislav Kinsbursky <skinsbursky at parallels.com>
---
net/sunrpc/rpcb_clnt.c | 18 +++++++++---------
1 files changed, 9 insertions(+), 9 deletions(-)
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index ef37c55..92ed74f 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -452,14 +452,14 @@ int rpcb_register(u32 prog, u32 vers, int prot, unsigned short port)
/*
* Fill in AF_INET family-specific arguments to register
*/
-static int rpcb_register_inet4(const struct sockaddr *sap,
+static int rpcb_register_inet4(struct sunrpc_net *sn,
+ const struct sockaddr *sap,
struct rpc_message *msg)
{
const struct sockaddr_in *sin = (const struct sockaddr_in *)sap;
struct rpcbind_args *map = msg->rpc_argp;
unsigned short port = ntohs(sin->sin_port);
int result;
- struct sunrpc_net *sn = net_generic(&init_net, sunrpc_net_id);
map->r_addr = rpc_sockaddr2uaddr(sap);
@@ -480,14 +480,14 @@ static int rpcb_register_inet4(const struct sockaddr *sap,
/*
* Fill in AF_INET6 family-specific arguments to register
*/
-static int rpcb_register_inet6(const struct sockaddr *sap,
+static int rpcb_register_inet6(struct sunrpc_net *sn,
+ const struct sockaddr *sap,
struct rpc_message *msg)
{
const struct sockaddr_in6 *sin6 = (const struct sockaddr_in6 *)sap;
struct rpcbind_args *map = msg->rpc_argp;
unsigned short port = ntohs(sin6->sin6_port);
int result;
- struct sunrpc_net *sn = net_generic(&init_net, sunrpc_net_id);
map->r_addr = rpc_sockaddr2uaddr(sap);
@@ -505,10 +505,10 @@ static int rpcb_register_inet6(const struct sockaddr *sap,
return result;
}
-static int rpcb_unregister_all_protofamilies(struct rpc_message *msg)
+static int rpcb_unregister_all_protofamilies(struct sunrpc_net *sn,
+ struct rpc_message *msg)
{
struct rpcbind_args *map = msg->rpc_argp;
- struct sunrpc_net *sn = net_generic(&init_net, sunrpc_net_id);
dprintk("RPC: unregistering [%u, %u, '%s'] with "
"local rpcbind\n",
@@ -581,13 +581,13 @@ int rpcb_v4_register(const u32 program, const u32 version,
return -EPROTONOSUPPORT;
if (address == NULL)
- return rpcb_unregister_all_protofamilies(&msg);
+ return rpcb_unregister_all_protofamilies(sn, &msg);
switch (address->sa_family) {
case AF_INET:
- return rpcb_register_inet4(address, &msg);
+ return rpcb_register_inet4(sn, address, &msg);
case AF_INET6:
- return rpcb_register_inet6(address, &msg);
+ return rpcb_register_inet6(sn, address, &msg);
}
return -EAFNOSUPPORT;
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