diff options
| -rw-r--r-- | fs/lockd/mon.c | 27 | ||||
| -rw-r--r-- | include/linux/lockd/lockd.h | 1 |
2 files changed, 9 insertions, 19 deletions
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c index 497dfea02e8a..a606fbbf804d 100644 --- a/fs/lockd/mon.c +++ b/fs/lockd/mon.c @@ -18,8 +18,6 @@ #define NLMDBG_FACILITY NLMDBG_MONITOR -#define XDR_ADDRBUF_LEN (20) - static struct rpc_clnt * nsm_create(void); static struct rpc_program nsm_program; @@ -42,7 +40,7 @@ nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res) .prog = NLM_PROGRAM, .vers = 3, .proc = NLMPROC_NSM_NOTIFY, - .mon_name = nsm->sm_name, + .mon_name = nsm->sm_mon_name, }; struct rpc_message msg = { .rpc_argp = &args, @@ -87,6 +85,12 @@ nsm_monitor(struct nlm_host *host) if (nsm->sm_monitored) return 0; + /* + * Choose whether to record the caller_name or IP address of + * this peer in the local rpc.statd's database. + */ + nsm->sm_mon_name = nsm_use_hostnames ? nsm->sm_name : nsm->sm_addrbuf; + status = nsm_mon_unmon(nsm, SM_MON, &res); if (status < 0 || res.status != 0) @@ -167,25 +171,10 @@ static __be32 *xdr_encode_nsm_string(__be32 *p, char *string) /* * "mon_name" specifies the host to be monitored. - * - * Linux uses a text version of the IP address of the remote - * host as the host identifier (the "mon_name" argument). - * - * Linux statd always looks up the canonical hostname first for - * whatever remote hostname it receives, so this works alright. */ static __be32 *xdr_encode_mon_name(__be32 *p, struct nsm_args *argp) { - char buffer[XDR_ADDRBUF_LEN + 1]; - char *name = argp->mon_name; - - if (!nsm_use_hostnames) { - snprintf(buffer, XDR_ADDRBUF_LEN, - "%pI4", &argp->addr); - name = buffer; - } - - return xdr_encode_nsm_string(p, name); + return xdr_encode_nsm_string(p, argp->mon_name); } /* diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h index 54dbb458e73c..d3c7247d23e8 100644 --- a/include/linux/lockd/lockd.h +++ b/include/linux/lockd/lockd.h @@ -79,6 +79,7 @@ struct nlm_host { struct nsm_handle { struct list_head sm_link; atomic_t sm_count; + char *sm_mon_name; char *sm_name; struct sockaddr_storage sm_addr; size_t sm_addrlen; |