[PATCH 5/6] NFS: add a sysfs link to the lockd rpc_client

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After lockd is started, add a symlink for lockd's rpc_client under
NFS' superblock sysfs.

Signed-off-by: Benjamin Coddington <bcodding@xxxxxxxxxx>
---
 fs/lockd/clntlock.c        | 6 ++++++
 fs/nfs/client.c            | 1 +
 include/linux/lockd/bind.h | 2 ++
 3 files changed, 9 insertions(+)

diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
index a5bb3f721a9d..0340e10b5715 100644
--- a/fs/lockd/clntlock.c
+++ b/fs/lockd/clntlock.c
@@ -94,6 +94,12 @@ void nlmclnt_done(struct nlm_host *host)
 }
 EXPORT_SYMBOL_GPL(nlmclnt_done);
 
+struct rpc_clnt *nlmclnt_rpc_clnt(struct nlm_host *host)
+{
+	return host->h_rpcclnt;
+}
+EXPORT_SYMBOL_GPL(nlmclnt_rpc_clnt);
+
 /*
  * Queue up a lock for blocking so that the GRANTED request can see it
  */
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index de275f1fde92..eede8c28a56b 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -592,6 +592,7 @@ static int nfs_start_lockd(struct nfs_server *server)
 
 	server->nlm_host = host;
 	server->destroy = nfs_destroy_server;
+	nfs_sysfs_link_rpc_client(server, nlmclnt_rpc_clnt(host), NULL);
 	return 0;
 }
 
diff --git a/include/linux/lockd/bind.h b/include/linux/lockd/bind.h
index 3bc9f7410e21..c53c81242e72 100644
--- a/include/linux/lockd/bind.h
+++ b/include/linux/lockd/bind.h
@@ -20,6 +20,7 @@
 /* Dummy declarations */
 struct svc_rqst;
 struct rpc_task;
+struct rpc_clnt;
 
 /*
  * This is the set of functions for lockd->nfsd communication
@@ -56,6 +57,7 @@ struct nlmclnt_initdata {
 
 extern struct nlm_host *nlmclnt_init(const struct nlmclnt_initdata *nlm_init);
 extern void	nlmclnt_done(struct nlm_host *host);
+extern struct rpc_clnt *nlmclnt_rpc_clnt(struct nlm_host *host);
 
 /*
  * NLM client operations provide a means to modify RPC processing of NLM
-- 
2.39.2




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