const struct sockaddr *addr;
size_t addrlen;
const struct nfs_rpc_ops *rpc_ops;
+ int proto;
};
/*
static struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *cl_init)
{
struct nfs_client *clp;
+ struct rpc_cred *cred;
if ((clp = kzalloc(sizeof(*clp), GFP_KERNEL)) == NULL)
goto error_0;
INIT_LIST_HEAD(&clp->cl_superblocks);
clp->cl_rpcclient = ERR_PTR(-EINVAL);
+ clp->cl_proto = cl_init->proto;
+
#ifdef CONFIG_NFS_V4
init_rwsem(&clp->cl_sem);
INIT_LIST_HEAD(&clp->cl_delegations);
clp->cl_boot_time = CURRENT_TIME;
clp->cl_state = 1 << NFS4CLNT_LEASE_EXPIRED;
#endif
+ cred = rpc_lookup_machine_cred();
+ if (!IS_ERR(cred))
+ clp->cl_machine_cred = cred;
return clp;
BUG_ON(!RB_EMPTY_ROOT(&clp->cl_state_owners));
if (__test_and_clear_bit(NFS_CS_IDMAP, &clp->cl_res_state))
nfs_idmap_delete(clp);
+
+ rpc_destroy_wait_queue(&clp->cl_rpcwaitq);
#endif
}
if (__test_and_clear_bit(NFS_CS_CALLBACK, &clp->cl_res_state))
nfs_callback_down();
+ if (clp->cl_machine_cred != NULL)
+ put_rpccred(clp->cl_machine_cred);
+
kfree(clp->cl_hostname);
kfree(clp);
}
/*
+ * Find a client by IP address and protocol version
+ * - returns NULL if no such client
+ */
+struct nfs_client *nfs_find_client_next(struct nfs_client *clp)
+{
+ struct sockaddr *sap = (struct sockaddr *)&clp->cl_addr;
+ u32 nfsvers = clp->rpc_ops->version;
+
+ spin_lock(&nfs_client_lock);
+ list_for_each_entry_continue(clp, &nfs_client_list, cl_share_link) {
+ struct sockaddr *clap = (struct sockaddr *)&clp->cl_addr;
+
+ /* Don't match clients that failed to initialise properly */
+ if (clp->cl_cons_state != NFS_CS_READY)
+ continue;
+
+ /* Different NFS versions cannot share the same nfs_client */
+ 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;
+
+ atomic_inc(&clp->cl_count);
+ spin_unlock(&nfs_client_lock);
+ return clp;
+ }
+ spin_unlock(&nfs_client_lock);
+ return NULL;
+}
+
+/*
* Find an nfs_client on the list that matches the initialisation data
* that is supplied.
*/
if (clp->rpc_ops != data->rpc_ops)
continue;
+ if (clp->cl_proto != data->proto)
+ continue;
+
/* Match the full socket address */
if (memcmp(&clp->cl_addr, data->addr, sizeof(clp->cl_addr)) != 0)
continue;
if (new)
nfs_free_client(new);
- error = wait_event_interruptible(nfs_client_active_wq,
+ error = wait_event_killable(nfs_client_active_wq,
clp->cl_cons_state != NFS_CS_INITING);
if (error < 0) {
nfs_put_client(clp);
{
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();
}
}
/*
* Create an RPC client handle
*/
-static int nfs_create_rpc_client(struct nfs_client *clp, int proto,
+static int nfs_create_rpc_client(struct nfs_client *clp,
const struct rpc_timeout *timeparms,
rpc_authflavor_t flavor,
int flags)
{
struct rpc_clnt *clnt = NULL;
struct rpc_create_args args = {
- .protocol = proto,
+ .protocol = clp->cl_proto,
.address = (struct sockaddr *)&clp->cl_addr,
.addrsize = clp->cl_addrlen,
.timeout = timeparms,
clnt = rpc_create(&args);
if (IS_ERR(clnt)) {
dprintk("%s: cannot create RPC client. Error = %ld\n",
- __FUNCTION__, PTR_ERR(clnt));
+ __func__, PTR_ERR(clnt));
return PTR_ERR(clnt);
}
static void nfs_destroy_server(struct nfs_server *server)
{
if (!(server->flags & NFS_MOUNT_NONLM))
- lockd_down(); /* release rpc.lockd */
+ nlmclnt_done(server->nlm_host);
}
/*
*/
static int nfs_start_lockd(struct nfs_server *server)
{
- int error = 0;
+ struct nlm_host *host;
+ struct nfs_client *clp = server->nfs_client;
+ struct nlmclnt_initdata nlm_init = {
+ .hostname = clp->cl_hostname,
+ .address = (struct sockaddr *)&clp->cl_addr,
+ .addrlen = clp->cl_addrlen,
+ .protocol = server->flags & NFS_MOUNT_TCP ?
+ IPPROTO_TCP : IPPROTO_UDP,
+ .nfs_version = clp->rpc_ops->version,
+ };
- if (server->nfs_client->rpc_ops->version > 3)
- goto out;
+ if (nlm_init.nfs_version > 3)
+ return 0;
if (server->flags & NFS_MOUNT_NONLM)
- goto out;
- error = lockd_up((server->flags & NFS_MOUNT_TCP) ?
- IPPROTO_TCP : IPPROTO_UDP);
- if (error < 0)
- server->flags |= NFS_MOUNT_NONLM;
- else
- server->destroy = nfs_destroy_server;
-out:
- return error;
+ return 0;
+
+ host = nlmclnt_init(&nlm_init);
+ if (IS_ERR(host))
+ return PTR_ERR(host);
+
+ server->nlm_host = host;
+ server->destroy = nfs_destroy_server;
+ return 0;
}
/*
server->client = rpc_clone_client(clp->cl_rpcclient);
if (IS_ERR(server->client)) {
- dprintk("%s: couldn't create rpc_client!\n", __FUNCTION__);
+ dprintk("%s: couldn't create rpc_client!\n", __func__);
return PTR_ERR(server->client);
}
auth = rpcauth_create(pseudoflavour, server->client);
if (IS_ERR(auth)) {
- dprintk("%s: couldn't create credcache!\n", __FUNCTION__);
+ dprintk("%s: couldn't create credcache!\n", __func__);
return PTR_ERR(auth);
}
}
if (server->flags & NFS_MOUNT_SOFT)
server->client->cl_softrtry = 1;
- server->client->cl_intr = 0;
- if (server->flags & NFS4_MOUNT_INTR)
- server->client->cl_intr = 1;
-
return 0;
}
* Create a client RPC handle for doing FSSTAT with UNIX auth only
* - RFC 2623, sec 2.3.2
*/
- error = nfs_create_rpc_client(clp, data->nfs_server.protocol,
- timeparms, RPC_AUTH_UNIX, 0);
+ error = nfs_create_rpc_client(clp, timeparms, RPC_AUTH_UNIX, 0);
if (error < 0)
goto error;
nfs_mark_client_ready(clp, NFS_CS_READY);
.addr = (const struct sockaddr *)&data->nfs_server.address,
.addrlen = data->nfs_server.addrlen,
.rpc_ops = &nfs_v2_clientops,
+ .proto = data->nfs_server.protocol,
};
struct rpc_timeout timeparms;
struct nfs_client *clp;
if (error < 0)
goto error;
+ server->port = data->nfs_server.port;
+
error = nfs_init_server_rpcclient(server, &timeparms, data->auth_flavors[0]);
if (error < 0)
goto error;
+ /* Preserve the values of mount_server-related mount options */
+ if (data->mount_server.addrlen) {
+ memcpy(&server->mountd_address, &data->mount_server.address,
+ data->mount_server.addrlen);
+ server->mountd_addrlen = data->mount_server.addrlen;
+ }
+ server->mountd_version = data->mount_server.version;
+ server->mountd_port = data->mount_server.port;
+ server->mountd_protocol = data->mount_server.protocol;
+
server->namelen = data->namlen;
/* Create a client RPC handle for the NFSv3 ACL management interface */
nfs_init_server_aclclient(server);
* Initialise an NFS4 client record
*/
static int nfs4_init_client(struct nfs_client *clp,
- int proto,
const struct rpc_timeout *timeparms,
const char *ip_addr,
rpc_authflavor_t authflavour)
/* Check NFS protocol revision and initialize RPC op vector */
clp->rpc_ops = &nfs_v4_clientops;
- error = nfs_create_rpc_client(clp, proto, timeparms, authflavour,
+ error = nfs_create_rpc_client(clp, timeparms, authflavour,
RPC_CLNT_CREATE_DISCRTRY);
if (error < 0)
goto error;
error = nfs_idmap_new(clp);
if (error < 0) {
dprintk("%s: failed to create idmapper. Error = %d\n",
- __FUNCTION__, error);
+ __func__, error);
goto error;
}
__set_bit(NFS_CS_IDMAP, &clp->cl_res_state);
.addr = addr,
.addrlen = addrlen,
.rpc_ops = &nfs_v4_clientops,
+ .proto = proto,
};
struct nfs_client *clp;
int error;
error = PTR_ERR(clp);
goto error;
}
- error = nfs4_init_client(clp, proto, timeparms, ip_addr, authflavour);
+ error = nfs4_init_client(clp, timeparms, ip_addr, authflavour);
if (error < 0)
goto error_put;
server->acdirmin = data->acdirmin * HZ;
server->acdirmax = data->acdirmax * HZ;
+ server->port = data->nfs_server.port;
+
error = nfs_init_server_rpcclient(server, &timeparms, data->auth_flavors[0]);
error:
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
+ .owner = THIS_MODULE,
};
static int nfs_volume_list_open(struct inode *inode, struct file *file);
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
+ .owner = THIS_MODULE,
};
/*
{
struct proc_dir_entry *p;
- proc_fs_nfs = proc_mkdir("nfsfs", proc_root_fs);
+ proc_fs_nfs = proc_mkdir("fs/nfsfs", NULL);
if (!proc_fs_nfs)
goto error_0;
proc_fs_nfs->owner = THIS_MODULE;
/* a file of servers with which we're dealing */
- p = create_proc_entry("servers", S_IFREG|S_IRUGO, proc_fs_nfs);
+ p = proc_create("servers", S_IFREG|S_IRUGO,
+ proc_fs_nfs, &nfs_server_list_fops);
if (!p)
goto error_1;
- p->proc_fops = &nfs_server_list_fops;
- p->owner = THIS_MODULE;
-
/* a file of volumes that we have mounted */
- p = create_proc_entry("volumes", S_IFREG|S_IRUGO, proc_fs_nfs);
+ p = proc_create("volumes", S_IFREG|S_IRUGO,
+ proc_fs_nfs, &nfs_volume_list_fops);
if (!p)
goto error_2;
-
- p->proc_fops = &nfs_volume_list_fops;
- p->owner = THIS_MODULE;
return 0;
error_2:
remove_proc_entry("servers", proc_fs_nfs);
error_1:
- remove_proc_entry("nfsfs", proc_root_fs);
+ remove_proc_entry("fs/nfsfs", NULL);
error_0:
return -ENOMEM;
}
{
remove_proc_entry("volumes", proc_fs_nfs);
remove_proc_entry("servers", proc_fs_nfs);
- remove_proc_entry("nfsfs", proc_root_fs);
+ remove_proc_entry("fs/nfsfs", NULL);
}
#endif /* CONFIG_PROC_FS */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff