clp->cl_proto = cl_init->proto;
#ifdef CONFIG_NFS_V4
- init_rwsem(&clp->cl_sem);
INIT_LIST_HEAD(&clp->cl_delegations);
spin_lock_init(&clp->cl_lock);
INIT_DELAYED_WORK(&clp->cl_renewd, nfs4_renew_state);
}
}
-static int nfs_sockaddr_match_ipaddr4(const struct sockaddr_in *sa1,
- const struct sockaddr_in *sa2)
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+static const struct in6_addr *nfs_map_ipv4_addr(const struct sockaddr *sa, struct in6_addr *addr_mapped)
{
- return sa1->sin_addr.s_addr == sa2->sin_addr.s_addr;
+ switch (sa->sa_family) {
+ default:
+ return NULL;
+ case AF_INET6:
+ return &((const struct sockaddr_in6 *)sa)->sin6_addr;
+ break;
+ case AF_INET:
+ ipv6_addr_set_v4mapped(((const struct sockaddr_in *)sa)->sin_addr.s_addr,
+ addr_mapped);
+ return addr_mapped;
+ }
}
-static int nfs_sockaddr_match_ipaddr6(const struct sockaddr_in6 *sa1,
- const struct sockaddr_in6 *sa2)
+static int nfs_sockaddr_match_ipaddr(const struct sockaddr *sa1,
+ const struct sockaddr *sa2)
+{
+ const struct in6_addr *addr1;
+ const struct in6_addr *addr2;
+ struct in6_addr addr1_mapped;
+ struct in6_addr addr2_mapped;
+
+ addr1 = nfs_map_ipv4_addr(sa1, &addr1_mapped);
+ if (likely(addr1 != NULL)) {
+ addr2 = nfs_map_ipv4_addr(sa2, &addr2_mapped);
+ if (likely(addr2 != NULL))
+ return ipv6_addr_equal(addr1, addr2);
+ }
+ return 0;
+}
+#else
+static int nfs_sockaddr_match_ipaddr4(const struct sockaddr_in *sa1,
+ const struct sockaddr_in *sa2)
{
- return ipv6_addr_equal(&sa1->sin6_addr, &sa2->sin6_addr);
+ return sa1->sin_addr.s_addr == sa2->sin_addr.s_addr;
}
static int nfs_sockaddr_match_ipaddr(const struct sockaddr *sa1,
const struct sockaddr *sa2)
{
- switch (sa1->sa_family) {
- case AF_INET:
- return nfs_sockaddr_match_ipaddr4((const struct sockaddr_in *)sa1,
- (const struct sockaddr_in *)sa2);
- case AF_INET6:
- return nfs_sockaddr_match_ipaddr6((const struct sockaddr_in6 *)sa1,
- (const struct sockaddr_in6 *)sa2);
- }
- BUG();
+ if (unlikely(sa1->sa_family != AF_INET || sa2->sa_family != AF_INET))
+ return 0;
+ return nfs_sockaddr_match_ipaddr4((const struct sockaddr_in *)sa1,
+ (const struct sockaddr_in *)sa2);
}
+#endif
/*
* Find a client by IP address and protocol version
if (clp->rpc_ops->version != nfsversion)
continue;
- if (addr->sa_family != clap->sa_family)
- continue;
/* Match only the IP address, not the port number */
if (!nfs_sockaddr_match_ipaddr(addr, clap))
continue;
if (clp->rpc_ops->version != nfsvers)
continue;
- if (sap->sa_family != clap->sa_family)
- continue;
/* Match only the IP address, not the port number */
if (!nfs_sockaddr_match_ipaddr(sap, clap))
continue;
{
to->to_initval = timeo * HZ / 10;
to->to_retries = retrans;
- if (!to->to_retries)
- to->to_retries = 2;
switch (proto) {
case XPRT_TRANSPORT_TCP:
case XPRT_TRANSPORT_RDMA:
+ if (to->to_retries == 0)
+ to->to_retries = NFS_DEF_TCP_RETRANS;
if (to->to_initval == 0)
- to->to_initval = 60 * HZ;
+ to->to_initval = NFS_DEF_TCP_TIMEO * HZ / 10;
if (to->to_initval > NFS_MAX_TCP_TIMEOUT)
to->to_initval = NFS_MAX_TCP_TIMEOUT;
to->to_increment = to->to_initval;
to->to_exponential = 0;
break;
case XPRT_TRANSPORT_UDP:
- default:
+ if (to->to_retries == 0)
+ to->to_retries = NFS_DEF_UDP_RETRANS;
if (!to->to_initval)
- to->to_initval = 11 * HZ / 10;
+ to->to_initval = NFS_DEF_UDP_TIMEO * HZ / 10;
if (to->to_initval > NFS_MAX_UDP_TIMEOUT)
to->to_initval = NFS_MAX_UDP_TIMEOUT;
to->to_maxval = NFS_MAX_UDP_TIMEOUT;
to->to_exponential = 1;
break;
+ default:
+ BUG();
}
}
static int nfs_create_rpc_client(struct nfs_client *clp,
const struct rpc_timeout *timeparms,
rpc_authflavor_t flavor,
- int flags)
+ int discrtry, int noresvport)
{
struct rpc_clnt *clnt = NULL;
struct rpc_create_args args = {
.program = &nfs_program,
.version = clp->rpc_ops->version,
.authflavor = flavor,
- .flags = flags,
};
+ if (discrtry)
+ args.flags |= RPC_CLNT_CREATE_DISCRTRY;
+ if (noresvport)
+ args.flags |= RPC_CLNT_CREATE_NONPRIVPORT;
+
if (!IS_ERR(clp->cl_rpcclient))
return 0;
.protocol = server->flags & NFS_MOUNT_TCP ?
IPPROTO_TCP : IPPROTO_UDP,
.nfs_version = clp->rpc_ops->version,
+ .noresvport = server->flags & NFS_MOUNT_NORESVPORT ?
+ 1 : 0,
};
if (nlm_init.nfs_version > 3)
* Create a client RPC handle for doing FSSTAT with UNIX auth only
* - RFC 2623, sec 2.3.2
*/
- error = nfs_create_rpc_client(clp, timeparms, RPC_AUTH_UNIX, 0);
+ error = nfs_create_rpc_client(clp, timeparms, RPC_AUTH_UNIX,
+ 0, data->flags & NFS_MOUNT_NORESVPORT);
if (error < 0)
goto error;
nfs_mark_client_ready(clp, NFS_CS_READY);
server->nfs_client = clp;
/* Initialise the client representation from the mount data */
- server->flags = data->flags & NFS_MOUNT_FLAGMASK;
+ server->flags = data->flags;
if (data->rsize)
server->rsize = nfs_block_size(data->rsize, NULL);
INIT_LIST_HEAD(&server->client_link);
INIT_LIST_HEAD(&server->master_link);
- init_waitqueue_head(&server->active_wq);
atomic_set(&server->active, 0);
server->io_stats = nfs_alloc_iostats();
static int nfs4_init_client(struct nfs_client *clp,
const struct rpc_timeout *timeparms,
const char *ip_addr,
- rpc_authflavor_t authflavour)
+ rpc_authflavor_t authflavour,
+ int flags)
{
int error;
clp->rpc_ops = &nfs_v4_clientops;
error = nfs_create_rpc_client(clp, timeparms, authflavour,
- RPC_CLNT_CREATE_DISCRTRY);
+ 1, flags & NFS_MOUNT_NORESVPORT);
if (error < 0)
goto error;
memcpy(clp->cl_ipaddr, ip_addr, sizeof(clp->cl_ipaddr));
error = PTR_ERR(clp);
goto error;
}
- error = nfs4_init_client(clp, timeparms, ip_addr, authflavour);
+ error = nfs4_init_client(clp, timeparms, ip_addr, authflavour,
+ server->flags);
if (error < 0)
goto error_put;
nfs_init_timeout_values(&timeparms, data->nfs_server.protocol,
data->timeo, data->retrans);
+ /* Initialise the client representation from the mount data */
+ server->flags = data->flags;
+ server->caps |= NFS_CAP_ATOMIC_OPEN;
+
/* Get a client record */
error = nfs4_set_client(server,
data->nfs_server.hostname,
if (error < 0)
goto error;
- /* Initialise the client representation from the mount data */
- server->flags = data->flags & NFS_MOUNT_FLAGMASK;
- server->caps |= NFS_CAP_ATOMIC_OPEN;
-
if (data->rsize)
server->rsize = nfs_block_size(data->rsize, NULL);
if (data->wsize)
parent_server = NFS_SB(data->sb);
parent_client = parent_server->nfs_client;
+ /* Initialise the client representation from the parent server */
+ nfs_server_copy_userdata(server, parent_server);
+ server->caps |= NFS_CAP_ATOMIC_OPEN;
+
/* Get a client representation.
* Note: NFSv4 always uses TCP, */
error = nfs4_set_client(server, data->hostname,
if (error < 0)
goto error;
- /* Initialise the client representation from the parent server */
- nfs_server_copy_userdata(server, parent_server);
- server->caps |= NFS_CAP_ATOMIC_OPEN;
-
error = nfs_init_server_rpcclient(server, parent_server->client->cl_timeout, data->authflavor);
if (error < 0)
goto error;