summaryrefslogtreecommitdiffstats
path: root/xlators/nfs/server/src/nfs-generics.h
blob: 07a79994a4bde9a3f79a03a2625ea9b2e0b737da (plain)
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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
/*
  Copyright (c) 2010-2011 Gluster, Inc. <http://www.gluster.com>
  This file is part of GlusterFS.

  This file is licensed to you under your choice of the GNU Lesser
  General Public License, version 3 or any later version (LGPLv3 or
  later), or the GNU General Public License, version 2 (GPLv2), in all
  cases as published by the Free Software Foundation.
*/

#ifndef _NFS_GENERICS_H_
#define _NFS_GENERICS_H_

#include "nfs.h"
#include <glusterfs/xlator.h>
#include "nfs-fops.h"
#include "nfs-inodes.h"

struct nfs_direntcache {
    gf_dirent_t entries; /* Head of list of cached dirents. */
    gf_dirent_t *next;   /* Pointer to the next entry that
                          * should be sent by readdir */
    uint64_t prev_off;   /* Offset where the next read will
                          * happen.
                          */
};

/* WE're trying to abstract the fops interface from the NFS xlator so that
 * different NFS versions can simply call a standard interface and have fop
 * interface dependent functions be handled internally.
 * This structure is part of such an  abstraction. The fops layer stores any
 * state is requires in the fd. E.g. the dirent cache for a directory fd_t.
 */
typedef struct nfs_fop_fdcontext {
    pthread_mutex_t lock;
    size_t dirent_bufsize;
    off_t offset;
    struct nfs_direntcache *dcache;
    xlator_t *dirvol;
} nfs_fdctx_t;

extern int
nfs_fstat(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, fd_t *fd,
          fop_stat_cbk_t cbk, void *local);

extern int
nfs_readdirp(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, fd_t *dirfd,
             size_t bufsize, off_t offset, fop_readdir_cbk_t cbk, void *local);

extern int
nfs_lookup(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
           fop_lookup_cbk_t cbk, void *local);

extern int
nfs_create(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
           int flags, mode_t mode, fop_create_cbk_t cbk, void *local);

extern int
nfs_flush(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, fd_t *fd,
          fop_flush_cbk_t cbk, void *local);

extern int
nfs_mkdir(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
          mode_t mode, fop_mkdir_cbk_t cbk, void *local);

extern int
nfs_truncate(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
             off_t offset, fop_truncate_cbk_t cbk, void *local);

extern int
nfs_read(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, fd_t *fd, size_t size,
         off_t offset, fop_readv_cbk_t cbk, void *local);

extern int
nfs_fsync(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, fd_t *fd,
          int32_t datasync, fop_fsync_cbk_t cbk, void *local);

extern int
nfs_write(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, fd_t *fd,
          struct iobref *srciobref, struct iovec *vector, int32_t count,
          off_t offset, fop_writev_cbk_t cbk, void *local);

extern int
nfs_open(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
         int32_t flags, fop_open_cbk_t cbk, void *local);

extern int
nfs_rename(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *oldloc,
           loc_t *newloc, fop_rename_cbk_t cbk, void *local);

extern int
nfs_link(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *oldloc,
         loc_t *newloc, fop_link_cbk_t cbk, void *local);

extern int
nfs_unlink(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
           fop_unlink_cbk_t cbk, void *local);

extern int
nfs_rmdir(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
          fop_rmdir_cbk_t cbk, void *local);

extern int
nfs_mknod(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
          mode_t mode, dev_t dev, fop_mknod_cbk_t cbk, void *local);

extern int
nfs_readlink(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *linkloc,
             fop_readlink_cbk_t cbk, void *local);

extern int
nfs_setattr(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
            struct iatt *buf, int32_t valid, fop_setattr_cbk_t cbk,
            void *local);

extern int
nfs_statfs(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
           fop_statfs_cbk_t cbk, void *local);

extern int
nfs_stat(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
         fop_stat_cbk_t cbk, void *local);

extern int
nfs_symlink(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, char *target,
            loc_t *linkloc, fop_symlink_cbk_t cbk, void *local);

/* Synchronous equivalents */

extern call_stub_t *
nfs_open_sync(xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc, int32_t flags);

extern call_stub_t *
nfs_write_sync(xlator_t *xl, nfs_user_t *nfu, fd_t *fd, struct iobuf *srciob,
               struct iovec *vec, int count, off_t offset);

extern call_stub_t *
nfs_read_sync(xlator_t *xl, nfs_user_t *nfu, fd_t *fd, size_t size,
              off_t offset);

extern int
nfs_opendir(xlator_t *nfsx, xlator_t *fopxl, nfs_user_t *nfu, loc_t *pathloc,
            fop_opendir_cbk_t cbk, void *local);

extern int
nfs_access(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *pathloc,
           int32_t accesstest, fop_access_cbk_t cbk, void *local);
extern int
nfs_lk(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, fd_t *fd, int cmd,
       struct gf_flock *flock, fop_lk_cbk_t cbk, void *local);

extern int
nfs_getxattr(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *loc,
             char *name, dict_t *xdata, fop_getxattr_cbk_t cbk, void *local);

extern int
nfs_setxattr(xlator_t *nfsx, xlator_t *xl, nfs_user_t *nfu, loc_t *loc,
             dict_t *dict, int32_t flags, dict_t *xdata, fop_setxattr_cbk_t cbk,
             void *local);

#endif