size_t addrlen;
const struct nfs_rpc_ops *rpc_ops;
int proto;
+ u32 minorversion;
};
/*
rpc_init_wait_queue(&clp->cl_rpcwaitq, "NFS client");
clp->cl_boot_time = CURRENT_TIME;
clp->cl_state = 1 << NFS4CLNT_LEASE_EXPIRED;
+ clp->cl_minorversion = cl_init->minorversion;
#endif
cred = rpc_lookup_machine_cred();
if (!IS_ERR(cred))
#endif
}
+/*
+ * Clears/puts all minor version specific parts from an nfs_client struct
+ * reverting it to minorversion 0.
+ */
+static void nfs4_clear_client_minor_version(struct nfs_client *clp)
+{
+#ifdef CONFIG_NFS_V4_1
+ if (nfs4_has_session(clp)) {
+ nfs4_destroy_session(clp->cl_session);
+ clp->cl_session = NULL;
+ }
+#endif /* CONFIG_NFS_V4_1 */
+}
+
/*
* Destroy a shared client record
*/
{
dprintk("--> nfs_free_client(%u)\n", clp->rpc_ops->version);
+ nfs4_clear_client_minor_version(clp);
nfs4_shutdown_client(clp);
nfs_fscache_release_client_cookie(clp);
if (clp->cl_proto != data->proto)
continue;
-
+ /* Match nfsv4 minorversion */
+ if (clp->cl_minorversion != data->minorversion)
+ continue;
/* Match the full socket address */
if (!nfs_sockaddr_cmp(sap, clap))
continue;
}
#ifdef CONFIG_NFS_V4
+/*
+ * Initialize the minor version specific parts of an NFS4 client record
+ */
+static int nfs4_init_client_minor_version(struct nfs_client *clp)
+{
+#if defined(CONFIG_NFS_V4_1)
+ if (clp->cl_minorversion) {
+ struct nfs4_session *session = NULL;
+ /*
+ * Create the session and mark it expired.
+ * When a SEQUENCE operation encounters the expired session
+ * it will do session recovery to initialize it.
+ */
+ session = nfs4_alloc_session(clp);
+ if (!session)
+ return -ENOMEM;
+
+ clp->cl_session = session;
+ }
+#endif /* CONFIG_NFS_V4_1 */
+
+ return 0;
+}
+
/*
* Initialise an NFS4 client record
*/
}
__set_bit(NFS_CS_IDMAP, &clp->cl_res_state);
+ error = nfs4_init_client_minor_version(clp);
+ if (error < 0)
+ goto error;
+
nfs_mark_client_ready(clp, NFS_CS_READY);
return 0;
const size_t addrlen,
const char *ip_addr,
rpc_authflavor_t authflavour,
- int proto, const struct rpc_timeout *timeparms)
+ int proto, const struct rpc_timeout *timeparms,
+ u32 minorversion)
{
struct nfs_client_initdata cl_init = {
.hostname = hostname,
.addrlen = addrlen,
.rpc_ops = &nfs_v4_clientops,
.proto = proto,
+ .minorversion = minorversion,
};
struct nfs_client *clp;
int error;
return error;
}
+/*
+ * Initialize a session.
+ * Note: save the mount rsize and wsize for create_server negotiation.
+ */
+static void nfs4_init_session(struct nfs_client *clp,
+ unsigned int wsize, unsigned int rsize)
+{
+#if defined(CONFIG_NFS_V4_1)
+ if (nfs4_has_session(clp)) {
+ clp->cl_session->fc_attrs.max_rqst_sz = wsize;
+ clp->cl_session->fc_attrs.max_resp_sz = rsize;
+ }
+#endif /* CONFIG_NFS_V4_1 */
+}
+
/*
* Create a version 4 volume record
*/
data->client_address,
data->auth_flavors[0],
data->nfs_server.protocol,
- &timeparms);
+ &timeparms,
+ data->minorversion);
if (error < 0)
goto error;
BUG_ON(!server->nfs_client->rpc_ops);
BUG_ON(!server->nfs_client->rpc_ops->file_inode_ops);
+ nfs4_init_session(server->nfs_client, server->wsize, server->rsize);
+
/* Probe the root fh to retrieve its FSID */
error = nfs4_path_walk(server, mntfh, data->nfs_server.export_path);
if (error < 0)
parent_client->cl_ipaddr,
data->authflavor,
parent_server->client->cl_xprt->prot,
- parent_server->client->cl_timeout);
+ parent_server->client->cl_timeout,
+ parent_client->cl_minorversion);
if (error < 0)
goto error;