mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-19 10:14:23 +08:00
f141f79d70
Flag in_grace is a part of client tracking state, which is network namesapce aware. So let'a replace global static variable with per-net one. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
/*
|
|
* 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 LOCKOWNER_INO_HASH_BITS 8
|
|
#define LOCKOWNER_INO_HASH_SIZE (1 << LOCKOWNER_INO_HASH_BITS)
|
|
|
|
#define SESSION_HASH_SIZE 512
|
|
|
|
struct cld_net;
|
|
|
|
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 *ownerstr_hashtbl;
|
|
struct list_head *lockowner_ino_hashtbl;
|
|
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 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;
|
|
};
|
|
|
|
extern int nfsd_net_id;
|
|
#endif /* __NFSD_NETNS_H__ */
|