diff options
Diffstat (limited to 'fs/lockd/host.c')
| -rw-r--r-- | fs/lockd/host.c | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/fs/lockd/host.c b/fs/lockd/host.c index 5876b0e4c0b..cbd2398e594 100644 --- a/fs/lockd/host.c +++ b/fs/lockd/host.c @@ -264,32 +264,42 @@ nlm_destroy_host(struct nlm_host *host) kfree(host); } -/* - * Find an NLM server handle in the cache. If there is none, create it. +/** + * nlmclnt_lookup_host - Find an NLM host handle matching a remote server + * @sap: network address of server + * @salen: length of server address + * @protocol: transport protocol to use + * @version: NLM protocol version + * @hostname: '\0'-terminated hostname of server + * + * Returns an nlm_host structure that matches the passed-in + * [server address, transport protocol, NLM version, server hostname]. + * If one doesn't already exist in the host cache, a new handle is + * created and returned. */ -struct nlm_host *nlmclnt_lookup_host(const struct sockaddr_in *sin, - int proto, u32 version, - const char *hostname, - unsigned int hostname_len) +struct nlm_host *nlmclnt_lookup_host(const struct sockaddr *sap, + const size_t salen, + const unsigned short protocol, + const u32 version, const char *hostname) { const struct sockaddr source = { .sa_family = AF_UNSPEC, }; struct nlm_lookup_host_info ni = { .server = 0, - .sap = (struct sockaddr *)sin, - .salen = sizeof(*sin), - .protocol = proto, + .sap = sap, + .salen = salen, + .protocol = protocol, .version = version, .hostname = hostname, - .hostname_len = hostname_len, + .hostname_len = strlen(hostname), .src_sap = &source, .src_len = sizeof(source), }; dprintk("lockd: %s(host='%s', vers=%u, proto=%s)\n", __func__, (hostname ? hostname : "<none>"), version, - (proto == IPPROTO_UDP ? "udp" : "tcp")); + (protocol == IPPROTO_UDP ? "udp" : "tcp")); return nlm_lookup_host(&ni); } |