fid_internal.h revision d7e09d0397e84eefbabfd9cb353221f3c6448d83 
1/*
2 * GPL HEADER START
3 *
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 version 2 only,
8 * as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
19 *
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
22 * have any questions.
23 *
24 * GPL HEADER END
25 */
26/*
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
29 *
30 * Copyright (c) 2012, Intel Corporation.
31 */
32/*
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
35 *
36 * lustre/fid/fid_internal.h
37 *
38 * Author: Yury Umanets <umka@clusterfs.com>
39 */
40#ifndef __FID_INTERNAL_H
41#define __FID_INTERNAL_H
42
43#include <lustre/lustre_idl.h>
44#include <dt_object.h>
45
46#include <linux/libcfs/libcfs.h>
47
48struct seq_thread_info {
49	struct req_capsule     *sti_pill;
50	struct lu_seq_range     sti_space;
51	struct lu_buf	   sti_buf;
52};
53
54enum {
55	SEQ_TXN_STORE_CREDITS = 20
56};
57
58extern struct lu_context_key seq_thread_key;
59
60/* Functions used internally in module. */
61int seq_client_alloc_super(struct lu_client_seq *seq,
62			   const struct lu_env *env);
63
64/* Store API functions. */
65int seq_store_init(struct lu_server_seq *seq,
66		   const struct lu_env *env,
67		   struct dt_device *dt);
68
69void seq_store_fini(struct lu_server_seq *seq,
70		    const struct lu_env *env);
71
72int seq_store_read(struct lu_server_seq *seq,
73		   const struct lu_env *env);
74
75int seq_store_update(const struct lu_env *env, struct lu_server_seq *seq,
76		     struct lu_seq_range *out, int sync);
77
78#ifdef LPROCFS
79extern struct lprocfs_vars seq_server_proc_list[];
80extern struct lprocfs_vars seq_client_proc_list[];
81#endif
82
83
84extern proc_dir_entry_t *seq_type_proc_dir;
85
86#endif /* __FID_INTERNAL_H */
87