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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@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Benjamin Coddington 2023-06-15 14:07:28 -04:00 committed by Trond Myklebust
parent e13b549319
commit d97c058977
3 changed files with 9 additions and 0 deletions
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6
fs/lockd/clntlock.c
View file

@ -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
*/

1
fs/nfs/client.c
View file

@ -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;
}

2
include/linux/lockd/bind.h
View file

@ -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