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[RFC,7/7] sunrpc: Connect to a new IP address provided by the user

Message ID 20210111214143.553479-8-Anna.Schumaker@Netapp.com (mailing list archive)
State New, archived
Headers show
Series SUNRPC: Create sysfs files for changing IP | expand

Commit Message

Anna Schumaker Jan. 11, 2021, 9:41 p.m. UTC 
From: Anna Schumaker <Anna.Schumaker@Netapp.com>

We preserve the same port number, rather than providing a way to change
it. This keeps the implementation simpler for now.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
---
 net/sunrpc/sysfs.c | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/net/sunrpc/sysfs.c b/net/sunrpc/sysfs.c
index 537d83635670..47a7c9b8b143 100644
--- a/net/sunrpc/sysfs.c
+++ b/net/sunrpc/sysfs.c
@@ -70,6 +70,13 @@  static ssize_t rpc_netns_address_show(struct kobject *kobj,
 static ssize_t rpc_netns_address_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;
+
+	xprt->addrlen = rpc_pton(xprt->xprt_net, buf, count - 1, saddr, sizeof(*saddr));
 	return count;
 }