xref: /linux/fs/ocfs2/slot_map.h (revision 24bce201d79807b668bf9d9e0aca801c5c0d5f78)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * slotmap.h
4  *
5  * description here
6  *
7  * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
8  */
9 
10 
11 #ifndef SLOTMAP_H
12 #define SLOTMAP_H
13 
14 int ocfs2_init_slot_info(struct ocfs2_super *osb);
15 void ocfs2_free_slot_info(struct ocfs2_super *osb);
16 
17 int ocfs2_find_slot(struct ocfs2_super *osb);
18 void ocfs2_put_slot(struct ocfs2_super *osb);
19 
20 int ocfs2_refresh_slot_info(struct ocfs2_super *osb);
21 
22 int ocfs2_node_num_to_slot(struct ocfs2_super *osb, unsigned int node_num);
23 int ocfs2_slot_to_node_num_locked(struct ocfs2_super *osb, int slot_num,
24 				  unsigned int *node_num);
25 
26 int ocfs2_clear_slot(struct ocfs2_super *osb, int slot_num);
27 
28 #endif
29