| /* |
| * per net namespace data structures for nfsd |
| * |
| * Copyright (C) 2012, Jeff Layton <jlayton@redhat.com> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the Free |
| * Software Foundation; either version 2 of the License, or (at your option) |
| * any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program; if not, write to the Free Software Foundation, Inc., 51 |
| * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef __NFSD_NETNS_H__ |
| #define __NFSD_NETNS_H__ |
| |
| #include <net/net_namespace.h> |
| #include <net/netns/generic.h> |
| |
| /* Hash tables for nfs4_clientid state */ |
| #define CLIENT_HASH_BITS 4 |
| #define CLIENT_HASH_SIZE (1 << CLIENT_HASH_BITS) |
| #define CLIENT_HASH_MASK (CLIENT_HASH_SIZE - 1) |
| |
| #define SESSION_HASH_SIZE 512 |
| |
| struct cld_net; |
| struct nfsd4_client_tracking_ops; |
| |
| struct nfsd_net { |
| struct cld_net *cld_net; |
| |
| struct cache_detail *svc_expkey_cache; |
| struct cache_detail *svc_export_cache; |
| |
| struct cache_detail *idtoname_cache; |
| struct cache_detail *nametoid_cache; |
| |
| struct lock_manager nfsd4_manager; |
| bool grace_ended; |
| time_t boot_time; |
| |
| /* |
| * reclaim_str_hashtbl[] holds known client info from previous reset/reboot |
| * used in reboot/reset lease grace period processing |
| * |
| * conf_id_hashtbl[], and conf_name_tree hold confirmed |
| * setclientid_confirmed info. |
| * |
| * unconf_str_hastbl[] and unconf_name_tree hold unconfirmed |
| * setclientid info. |
| */ |
| struct list_head *reclaim_str_hashtbl; |
| int reclaim_str_hashtbl_size; |
| struct list_head *conf_id_hashtbl; |
| struct rb_root conf_name_tree; |
| struct list_head *unconf_id_hashtbl; |
| struct rb_root unconf_name_tree; |
| struct list_head *sessionid_hashtbl; |
| /* |
| * client_lru holds client queue ordered by nfs4_client.cl_time |
| * for lease renewal. |
| * |
| * close_lru holds (open) stateowner queue ordered by nfs4_stateowner.so_time |
| * for last close replay. |
| * |
| * All of the above fields are protected by the client_mutex. |
| */ |
| struct list_head client_lru; |
| struct list_head close_lru; |
| struct list_head del_recall_lru; |
| |
| struct delayed_work laundromat_work; |
| |
| /* client_lock protects the client lru list and session hash table */ |
| spinlock_t client_lock; |
| |
| struct file *rec_file; |
| bool in_grace; |
| struct nfsd4_client_tracking_ops *client_tracking_ops; |
| |
| time_t nfsd4_lease; |
| time_t nfsd4_grace; |
| |
| bool nfsd_net_up; |
| bool lockd_up; |
| |
| /* Time of server startup */ |
| struct timeval nfssvc_boot; |
| |
| /* |
| * Max number of connections this nfsd container will allow. Defaults |
| * to '0' which is means that it bases this on the number of threads. |
| */ |
| unsigned int max_connections; |
| |
| u32 clientid_counter; |
| |
| struct svc_serv *nfsd_serv; |
| }; |
| |
| /* Simple check to find out if a given net was properly initialized */ |
| #define nfsd_netns_ready(nn) ((nn)->sessionid_hashtbl) |
| |
| extern int nfsd_net_id; |
| #endif /* __NFSD_NETNS_H__ */ |