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[PATCH] knfsd: nfsd4: fix laundromat shutdown race
[mirror_ubuntu-zesty-kernel.git] / fs / 9p / transport.h
1 /*
2 * linux/fs/9p/transport.h
3 *
4 * Transport Definition
5 *
6 * Copyright (C) 2005 by Latchesar Ionkov <lucho@ionkov.net>
7 * Copyright (C) 2004 by Eric Van Hensbergen <ericvh@gmail.com>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2
11 * as published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to:
20 * Free Software Foundation
21 * 51 Franklin Street, Fifth Floor
22 * Boston, MA 02111-1301 USA
23 *
24 */
25
26 enum v9fs_transport_status {
27 Connected,
28 Disconnected,
29 Hung,
30 };
31
32 struct v9fs_transport {
33 enum v9fs_transport_status status;
34 void *priv;
35
36 int (*init) (struct v9fs_session_info *, const char *, char *);
37 int (*write) (struct v9fs_transport *, void *, int);
38 int (*read) (struct v9fs_transport *, void *, int);
39 void (*close) (struct v9fs_transport *);
40 unsigned int (*poll)(struct v9fs_transport *, struct poll_table_struct *);
41 };
42
43 extern struct v9fs_transport v9fs_trans_tcp;
44 extern struct v9fs_transport v9fs_trans_unix;
45 extern struct v9fs_transport v9fs_trans_fd;