4 * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
5 * Copyright (C) 2002 by Ron Minnich <rminnich@lanl.gov>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2
9 * as published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to:
18 * Free Software Foundation
19 * 51 Franklin Street, Fifth Floor
20 * Boston, MA 02111-1301 USA
25 * Session structure provides information for an opened session
29 struct v9fs_session_info
{
32 unsigned char extended
; /* set to 1 if we are using UNIX extensions */
33 unsigned char nodev
; /* set to 1 if no disable device mapping */
34 unsigned short port
; /* port to connect to */
35 unsigned short debug
; /* debug level */
36 unsigned short proto
; /* protocol to use */
37 unsigned int afid
; /* authentication fid */
38 unsigned int rfdno
; /* read file descriptor number */
39 unsigned int wfdno
; /* write file descriptor number */
40 unsigned int cache
; /* cache mode */
42 char *name
; /* user name to mount as */
43 char *remotename
; /* name of remote hierarchy being mounted */
44 unsigned int uid
; /* default uid/muid for legacy support */
45 unsigned int gid
; /* default gid for legacy support */
47 struct p9_client
*clnt
; /* 9p client */
48 struct dentry
*debugfs_dir
;
51 /* possible values of ->proto */
59 /* possible values of ->cache */
60 /* eventually support loose, tight, time, session, default always none */
62 CACHE_NONE
, /* default */
63 CACHE_LOOSE
, /* no consistency */
66 extern struct dentry
*v9fs_debugfs_root
;
68 struct p9_fid
*v9fs_session_init(struct v9fs_session_info
*, const char *,
70 void v9fs_session_close(struct v9fs_session_info
*v9ses
);
71 void v9fs_session_cancel(struct v9fs_session_info
*v9ses
);
73 #define V9FS_MAGIC 0x01021997
75 /* other default globals */
77 #define V9FS_DEFUSER "nobody"
78 #define V9FS_DEFANAME ""
80 static inline struct v9fs_session_info
*v9fs_inode2v9ses(struct inode
*inode
)
82 return (inode
->i_sb
->s_fs_info
);