Instead of duplicating `dstaddr` in client directory, we add a symlink
to the relevant transport directory which now hosts a `dstaddr`.
Signed-off-by: Dan Aloni <[email protected]>
---
net/sunrpc/sysfs.c | 44 ++++++--------------------------------------
1 file changed, 6 insertions(+), 38 deletions(-)
diff --git a/net/sunrpc/sysfs.c b/net/sunrpc/sysfs.c
index 687d4470b90d..ae608235d7e0 100644
--- a/net/sunrpc/sysfs.c
+++ b/net/sunrpc/sysfs.c
@@ -69,37 +69,6 @@ int rpc_sysfs_init(void)
return -ENOMEM;
}
-static ssize_t rpc_netns_dstaddr_show(struct kobject *kobj,
- struct kobj_attribute *attr, char *buf)
-{
- struct rpc_netns_client *c = container_of(kobj,
- struct rpc_netns_client, kobject);
- struct rpc_clnt *clnt = c->clnt;
- struct rpc_xprt *xprt = rcu_dereference(clnt->cl_xprt);
-
- return rpc_ntop((struct sockaddr *)&xprt->addr, buf, PAGE_SIZE);
-}
-
-static ssize_t rpc_netns_dstaddr_store(struct kobject *kobj,
- struct kobj_attribute *attr, const char *buf, size_t count)
-{
- struct rpc_netns_client *c = container_of(kobj,
- struct rpc_netns_client, kobject);
- struct rpc_clnt *clnt = c->clnt;
- struct rpc_xprt *xprt = rcu_dereference(clnt->cl_xprt);
- struct sockaddr *saddr = (struct sockaddr *)&xprt->addr;
- int port = rpc_get_port(saddr);
-
- xprt->addrlen = rpc_pton(xprt->xprt_net, buf, count - 1, saddr, sizeof(*saddr));
- rpc_set_port(saddr, port);
-
- kfree(xprt->address_strings[RPC_DISPLAY_ADDR]);
- xprt->address_strings[RPC_DISPLAY_ADDR] = kstrndup(buf, count - 1, GFP_KERNEL);
-
- xprt->ops->connect(xprt, NULL);
- return count;
-}
-
static void rpc_netns_client_release(struct kobject *kobj)
{
struct rpc_netns_client *c;
@@ -113,11 +82,7 @@ static const void *rpc_netns_client_namespace(struct kobject *kobj)
return container_of(kobj, struct rpc_netns_client, kobject)->net;
}
-static struct kobj_attribute rpc_netns_client_dstaddr = __ATTR(dstaddr,
- 0644, rpc_netns_dstaddr_show, rpc_netns_dstaddr_store);
-
static struct attribute *rpc_netns_client_attrs[] = {
- &rpc_netns_client_dstaddr.attr,
NULL,
};
@@ -156,12 +121,14 @@ void rpc_netns_client_sysfs_setup(struct rpc_clnt *clnt, struct net *net)
{
struct rpc_netns_client *rpc_client;
struct rpc_xprt *xprt = rcu_dereference(clnt->cl_xprt);
-
- if (!(xprt->prot & (IPPROTO_TCP | XPRT_TRANSPORT_RDMA)))
- return;
+ struct rpc_netns_xprt *rpc_xprt;
+ int ret;
rpc_client = rpc_netns_client_alloc(rpc_client_kobj, net, clnt->cl_clid);
if (rpc_client) {
+ rpc_xprt = xprt->sysfs;
+ ret = sysfs_create_link_nowarn(&rpc_client->kobject,
+ &rpc_xprt->kobject, "transport");
clnt->cl_sysfs = rpc_client;
rpc_client->clnt = clnt;
kobject_uevent(&rpc_client->kobject, KOBJ_ADD);
@@ -173,6 +140,7 @@ void rpc_netns_client_sysfs_destroy(struct rpc_clnt *clnt)
struct rpc_netns_client *rpc_client = clnt->cl_sysfs;
if (rpc_client) {
+ sysfs_remove_link(&rpc_client->kobject, "transport");
kobject_uevent(&rpc_client->kobject, KOBJ_REMOVE);
kobject_del(&rpc_client->kobject);
kobject_put(&rpc_client->kobject);
--
2.26.2