Root/fs/ocfs2/slot_map.h

1/* -*- mode: c; c-basic-offset: 8; -*-
2 * vim: noexpandtab sw=8 ts=8 sts=0:
3 *
4 * slotmap.h
5 *
6 * description here
7 *
8 * Copyright (C) 2002, 2004 Oracle. All rights reserved.
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public
12 * License as published by the Free Software Foundation; either
13 * version 2 of the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public
21 * License along with this program; if not, write to the
22 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 * Boston, MA 021110-1307, USA.
24 */
25
26
27#ifndef SLOTMAP_H
28#define SLOTMAP_H
29
30int ocfs2_init_slot_info(struct ocfs2_super *osb);
31void ocfs2_free_slot_info(struct ocfs2_super *osb);
32
33int ocfs2_find_slot(struct ocfs2_super *osb);
34void ocfs2_put_slot(struct ocfs2_super *osb);
35
36int ocfs2_refresh_slot_info(struct ocfs2_super *osb);
37
38int ocfs2_node_num_to_slot(struct ocfs2_super *osb, unsigned int node_num);
39int ocfs2_slot_to_node_num_locked(struct ocfs2_super *osb, int slot_num,
40                  unsigned int *node_num);
41
42int ocfs2_clear_slot(struct ocfs2_super *osb, int slot_num);
43
44#endif
45

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