diff options
Diffstat (limited to 'fs/9p/fid.h')
-rw-r--r-- | fs/9p/fid.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/fs/9p/fid.h b/fs/9p/fid.h new file mode 100644 index 000000000000..7db478ccca36 --- /dev/null +++ b/fs/9p/fid.h | |||
@@ -0,0 +1,57 @@ | |||
1 | /* | ||
2 | * V9FS FID Management | ||
3 | * | ||
4 | * Copyright (C) 2005 by Eric Van Hensbergen <ericvh@gmail.com> | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License as published by | ||
8 | * the Free Software Foundation; either version 2 of the License, or | ||
9 | * (at your option) any later version. | ||
10 | * | ||
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. | ||
15 | * | ||
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 | ||
21 | * | ||
22 | */ | ||
23 | |||
24 | #include <linux/list.h> | ||
25 | |||
26 | #define FID_OP 0 | ||
27 | #define FID_WALK 1 | ||
28 | |||
29 | struct v9fs_fid { | ||
30 | struct list_head list; /* list of fids associated with a dentry */ | ||
31 | struct list_head active; /* XXX - debug */ | ||
32 | |||
33 | u32 fid; | ||
34 | unsigned char fidopen; /* set when fid is opened */ | ||
35 | unsigned char fidcreate; /* set when fid was just created */ | ||
36 | unsigned char fidclunked; /* set when fid has already been clunked */ | ||
37 | |||
38 | struct v9fs_qid qid; | ||
39 | u32 iounit; | ||
40 | |||
41 | /* readdir stuff */ | ||
42 | int rdir_fpos; | ||
43 | loff_t rdir_pos; | ||
44 | struct v9fs_fcall *rdir_fcall; | ||
45 | |||
46 | /* management stuff */ | ||
47 | pid_t pid; /* thread associated with this fid */ | ||
48 | uid_t uid; /* user associated with this fid */ | ||
49 | |||
50 | /* private data */ | ||
51 | struct file *filp; /* backpointer to File struct for open files */ | ||
52 | struct v9fs_session_info *v9ses; /* session info for this FID */ | ||
53 | }; | ||
54 | |||
55 | struct v9fs_fid *v9fs_fid_lookup(struct dentry *dentry, int type); | ||
56 | void v9fs_fid_destroy(struct v9fs_fid *fid); | ||
57 | struct v9fs_fid *v9fs_fid_create(struct dentry *); | ||