1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/*
Copyright (c) 2010-2011 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
GlusterFS 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 3 of the License,
or (at your option) any later version.
GlusterFS 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, see
<http://www.gnu.org/licenses/>.
*/
#ifndef __NFS_H__
#define __NFS_H__
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include "rpcsvc.h"
#include "dict.h"
#include "xlator.h"
#include "lkowner.h"
#define GF_NFS "nfs"
#define GF_NFS_CONCURRENT_OPS_MULT 15
#define GF_NFS_INODE_LRU_MULT 6000
#define GF_RPC_MIN_THREADS 1
#define GF_RPC_MAX_THREADS 16
#define GF_NFS_DEFAULT_MEMFACTOR 15
#define GF_NFS_MIN_MEMFACTOR 1
#define GF_NFS_MAX_MEMFACTOR 30
#define GF_NFS_DVM_ON 1
#define GF_NFS_DVM_OFF 2
/* This corresponds to the max 16 number of group IDs that are sent through an
* RPC request. Since NFS is the only one going to set this, we can be safe
* in keeping this size hardcoded.
*/
#define GF_REQUEST_MAXGROUPS 16
/* Callback into a version-specific NFS protocol.
* The return type is used by the nfs.c code to register the protocol.
* with the RPC service.
*/
typedef rpcsvc_program_t *(*nfs_version_initer_t) (xlator_t *nfsx);
/* List of version-specific protocol initiators */
struct nfs_initer_list {
struct list_head list;
nfs_version_initer_t init;
rpcsvc_program_t *program;
};
struct nfs_state {
rpcsvc_t *rpcsvc;
struct list_head versions;
struct mount3_state *mstate;
struct nfs3_state *nfs3state;
struct nlm4_state *nlm4state;
struct mem_pool *foppool;
unsigned int memfactor;
xlator_list_t *subvols;
gf_lock_t svinitlock;
int allsubvols;
int upsubvols;
xlator_t **initedxl;
int subvols_started;
int dynamicvolumes;
int enable_ino32;
unsigned int override_portnum;
int allow_insecure;
int enable_nlm;
struct rpc_clnt *rpc_clnt;
};
#define gf_nfs_dvm_on(nfsstt) (((struct nfs_state *)nfsstt)->dynamicvolumes == GF_NFS_DVM_ON)
#define gf_nfs_dvm_off(nfsstt) (((struct nfs_state *)nfsstt)->dynamicvolumes == GF_NFS_DVM_OFF)
#define __gf_nfs_enable_ino32(nfsstt) (((struct nfs_state *)nfsstt)->enable_ino32)
#define gf_nfs_this_private ((struct nfs_state *)((xlator_t *)THIS)->private)
#define gf_nfs_enable_ino32() (__gf_nfs_enable_ino32(gf_nfs_this_private))
/* We have one gid more than the glusterfs maximum since we pass the primary
* gid as the first element of the array.
*/
#define NFS_NGROUPS (GF_REQUEST_MAXGROUPS + 1)
/* Index of the primary gid */
#define NFS_PRIMGID_IDX 0
typedef struct nfs_user_info {
uid_t uid;
gid_t gids[NFS_NGROUPS];
int ngrps;
gf_lkowner_t lk_owner;
} nfs_user_t;
extern int
nfs_user_root_create (nfs_user_t *newnfu);
extern int
nfs_user_create (nfs_user_t *newnfu, uid_t uid, gid_t gid, gid_t *auxgids,
int auxcount);
extern void
nfs_request_user_init (nfs_user_t *nfu, rpcsvc_request_t *req);
extern void
nfs_request_primary_user_init (nfs_user_t *nfu, rpcsvc_request_t *req,
uid_t uid, gid_t gid);
extern int
nfs_subvolume_started (struct nfs_state *nfs, xlator_t *xl);
#endif
|
