xref: /linux/fs/ocfs2/slot_map.h (revision 30ff3c59137d00e083f68437665e00895cc271c7)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* -*- mode: c; c-basic-offset: 8; -*-
3  * vim: noexpandtab sw=8 ts=8 sts=0:
4  *
5  * slotmap.h
6  *
7  * description here
8  *
9  * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
10  */
11 
12 
13 #ifndef SLOTMAP_H
14 #define SLOTMAP_H
15 
16 int ocfs2_init_slot_info(struct ocfs2_super *osb);
17 void ocfs2_free_slot_info(struct ocfs2_super *osb);
18 
19 int ocfs2_find_slot(struct ocfs2_super *osb);
20 void ocfs2_put_slot(struct ocfs2_super *osb);
21 
22 int ocfs2_refresh_slot_info(struct ocfs2_super *osb);
23 
24 int ocfs2_node_num_to_slot(struct ocfs2_super *osb, unsigned int node_num);
25 int ocfs2_slot_to_node_num_locked(struct ocfs2_super *osb, int slot_num,
26 				  unsigned int *node_num);
27 
28 int ocfs2_clear_slot(struct ocfs2_super *osb, int slot_num);
29 
30 #endif
31