From d97c05897757a5d7fa131073d04a2fb29b5836ee Mon Sep 17 00:00:00 2001 From: Benjamin Coddington Date: Thu, 15 Jun 2023 14:07:28 -0400 Subject: [PATCH] NFS: add a sysfs link to the lockd rpc_client After lockd is started, add a symlink for lockd's rpc_client under NFS' superblock sysfs. Signed-off-by: Benjamin Coddington Signed-off-by: Trond Myklebust --- 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 e3972aa3045a..5d85715be763 100644 --- a/fs/lockd/clntlock.c +++ b/fs/lockd/clntlock.c @@ -93,6 +93,12 @@ void nlmclnt_prepare_block(struct nlm_wait *block, struct nlm_host *host, struct block->b_status = nlm_lck_blocked; } +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 745c661429f2..48c9d8411c0e 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -599,6 +599,7 @@ 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