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authorEric Van Hensbergen <ericvh@gmail.com>2005-09-09 16:04:24 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-09 16:57:57 -0400
commit3ed8491c8a75cefe95b57f7f428a3e2ddd421e97 (patch)
tree51729254e5b96f0a6794a7e11b51c5d67d9df874 /fs/9p/fid.h
parent322b329ab787de5f45abca9c9eabfd33bc5927e8 (diff)
[PATCH] v9fs: debug and support routines
This part of the patch contains debug and other misc routines. Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/9p/fid.h')
-rw-r--r--fs/9p/fid.h57
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
29struct 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
55struct v9fs_fid *v9fs_fid_lookup(struct dentry *dentry, int type);
56void v9fs_fid_destroy(struct v9fs_fid *fid);
57struct v9fs_fid *v9fs_fid_create(struct dentry *);