xref: /OK3568_Linux_fs/kernel/fs/ocfs2/slot_map.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /* -*- mode: c; c-basic-offset: 8; -*-
3*4882a593Smuzhiyun  * vim: noexpandtab sw=8 ts=8 sts=0:
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * slotmap.h
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * description here
8*4882a593Smuzhiyun  *
9*4882a593Smuzhiyun  * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
10*4882a593Smuzhiyun  */
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #ifndef SLOTMAP_H
14*4882a593Smuzhiyun #define SLOTMAP_H
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun int ocfs2_init_slot_info(struct ocfs2_super *osb);
17*4882a593Smuzhiyun void ocfs2_free_slot_info(struct ocfs2_super *osb);
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun int ocfs2_find_slot(struct ocfs2_super *osb);
20*4882a593Smuzhiyun void ocfs2_put_slot(struct ocfs2_super *osb);
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun int ocfs2_refresh_slot_info(struct ocfs2_super *osb);
23*4882a593Smuzhiyun 
24*4882a593Smuzhiyun int ocfs2_node_num_to_slot(struct ocfs2_super *osb, unsigned int node_num);
25*4882a593Smuzhiyun int ocfs2_slot_to_node_num_locked(struct ocfs2_super *osb, int slot_num,
26*4882a593Smuzhiyun 				  unsigned int *node_num);
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun int ocfs2_clear_slot(struct ocfs2_super *osb, int slot_num);
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun #endif
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