X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fsunrpc%2Fsvcauth_unix.c;h=3c64051e455533aeb11df479f3c72877838e4483;hb=061964fb988ca51087948975da66ff523b3a5852;hp=411479411b21052a3e138c5109880abd881b77b4;hpb=efffbeee5bc4168059683714b300d307f5193d69;p=linux-2.6 diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c index 411479411b..3c64051e45 100644 --- a/net/sunrpc/svcauth_unix.c +++ b/net/sunrpc/svcauth_unix.c @@ -63,6 +63,7 @@ struct auth_domain *unix_domain_find(char *name) rv = auth_domain_lookup(name, &new->h); } } +EXPORT_SYMBOL(unix_domain_find); static void svcauth_unix_domain_release(struct auth_domain *dom) { @@ -340,6 +341,7 @@ int auth_unix_add_addr(struct in_addr addr, struct auth_domain *dom) else return -ENOMEM; } +EXPORT_SYMBOL(auth_unix_add_addr); int auth_unix_forget_old(struct auth_domain *dom) { @@ -351,6 +353,7 @@ int auth_unix_forget_old(struct auth_domain *dom) udom->addr_changes++; return 0; } +EXPORT_SYMBOL(auth_unix_forget_old); struct auth_domain *auth_unix_lookup(struct in_addr addr) { @@ -375,50 +378,56 @@ struct auth_domain *auth_unix_lookup(struct in_addr addr) cache_put(&ipm->h, &ip_map_cache); return rv; } +EXPORT_SYMBOL(auth_unix_lookup); void svcauth_unix_purge(void) { cache_purge(&ip_map_cache); } +EXPORT_SYMBOL(svcauth_unix_purge); static inline struct ip_map * ip_map_cached_get(struct svc_rqst *rqstp) { - struct ip_map *ipm; - struct svc_sock *svsk = rqstp->rq_sock; - spin_lock(&svsk->sk_lock); - ipm = svsk->sk_info_authunix; - if (ipm != NULL) { - if (!cache_valid(&ipm->h)) { - /* - * The entry has been invalidated since it was - * remembered, e.g. by a second mount from the - * same IP address. - */ - svsk->sk_info_authunix = NULL; - spin_unlock(&svsk->sk_lock); - cache_put(&ipm->h, &ip_map_cache); - return NULL; + struct ip_map *ipm = NULL; + struct svc_xprt *xprt = rqstp->rq_xprt; + + if (test_bit(XPT_CACHE_AUTH, &xprt->xpt_flags)) { + spin_lock(&xprt->xpt_lock); + ipm = xprt->xpt_auth_cache; + if (ipm != NULL) { + if (!cache_valid(&ipm->h)) { + /* + * The entry has been invalidated since it was + * remembered, e.g. by a second mount from the + * same IP address. + */ + xprt->xpt_auth_cache = NULL; + spin_unlock(&xprt->xpt_lock); + cache_put(&ipm->h, &ip_map_cache); + return NULL; + } + cache_get(&ipm->h); } - cache_get(&ipm->h); + spin_unlock(&xprt->xpt_lock); } - spin_unlock(&svsk->sk_lock); return ipm; } static inline void ip_map_cached_put(struct svc_rqst *rqstp, struct ip_map *ipm) { - struct svc_sock *svsk = rqstp->rq_sock; + struct svc_xprt *xprt = rqstp->rq_xprt; - spin_lock(&svsk->sk_lock); - if (svsk->sk_sock->type == SOCK_STREAM && - svsk->sk_info_authunix == NULL) { - /* newly cached, keep the reference */ - svsk->sk_info_authunix = ipm; - ipm = NULL; + if (test_bit(XPT_CACHE_AUTH, &xprt->xpt_flags)) { + spin_lock(&xprt->xpt_lock); + if (xprt->xpt_auth_cache == NULL) { + /* newly cached, keep the reference */ + xprt->xpt_auth_cache = ipm; + ipm = NULL; + } + spin_unlock(&xprt->xpt_lock); } - spin_unlock(&svsk->sk_lock); if (ipm) cache_put(&ipm->h, &ip_map_cache); }