diff options
| -rw-r--r-- | fs/lockd/mon.c | 16 | ||||
| -rw-r--r-- | include/linux/lockd/lockd.h | 1 | ||||
| -rw-r--r-- | include/linux/lockd/sm_inter.h | 1 | ||||
| -rw-r--r-- | include/linux/lockd/xdr.h | 6 |
4 files changed, 23 insertions, 1 deletions
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c index 0792900b628..c8d18cd22b8 100644 --- a/fs/lockd/mon.c +++ b/fs/lockd/mon.c @@ -201,6 +201,21 @@ void nsm_unmonitor(const struct nlm_host *host) } } +/* + * Construct a unique cookie to match this nsm_handle to this monitored + * host. It is passed to the local rpc.statd via NSMPROC_MON, and + * returned via NLMPROC_SM_NOTIFY, in the "priv" field of these + * requests. + * + * Linux provides the raw IP address of the monitored host, + * left in network byte order. + */ +static void nsm_init_private(struct nsm_handle *nsm) +{ + __be32 *p = (__be32 *)&nsm->sm_priv.data; + *p = nsm_addr_in(nsm)->sin_addr.s_addr; +} + /** * nsm_find - Find or create a cached nsm_handle * @sap: pointer to socket address of handle to find @@ -271,6 +286,7 @@ retry: nsm->sm_name = (char *) (nsm + 1); memcpy(nsm->sm_name, hostname, hostname_len); nsm->sm_name[hostname_len] = '\0'; + nsm_init_private(nsm); nsm_display_address((struct sockaddr *)&nsm->sm_addr, nsm->sm_addrbuf, sizeof(nsm->sm_addrbuf)); atomic_set(&nsm->sm_count, 1); diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h index 8d715363c6a..194fa8a6639 100644 --- a/include/linux/lockd/lockd.h +++ b/include/linux/lockd/lockd.h @@ -85,6 +85,7 @@ struct nsm_handle { size_t sm_addrlen; unsigned int sm_monitored : 1, sm_sticky : 1; /* don't unmonitor */ + struct nsm_private sm_priv; char sm_addrbuf[NSM_ADDRBUF]; }; diff --git a/include/linux/lockd/sm_inter.h b/include/linux/lockd/sm_inter.h index 116bf38535a..5cef5a79dd9 100644 --- a/include/linux/lockd/sm_inter.h +++ b/include/linux/lockd/sm_inter.h @@ -10,7 +10,6 @@ #define LINUX_LOCKD_SM_INTER_H #define SM_MAXSTRLEN 1024 -#define SM_PRIV_SIZE 16 extern int nsm_local_state; diff --git a/include/linux/lockd/xdr.h b/include/linux/lockd/xdr.h index d6b3a802c04..6b519926385 100644 --- a/include/linux/lockd/xdr.h +++ b/include/linux/lockd/xdr.h @@ -13,6 +13,12 @@ #include <linux/nfs.h> #include <linux/sunrpc/xdr.h> +#define SM_PRIV_SIZE 16 + +struct nsm_private { + unsigned char data[SM_PRIV_SIZE]; +}; + struct svc_rqst; #define NLM_MAXCOOKIELEN 32 |