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Thomas Gleixner328970d2019-05-24 12:04:05 +02001/* SPDX-License-Identifier: GPL-2.0-or-later */
Mark Fashehccd979b2005-12-15 14:31:24 -08002/* -*- mode: c; c-basic-offset: 8; -*-
3 * vim: noexpandtab sw=8 ts=8 sts=0:
4 *
5 * localalloc.h
6 *
7 * Function prototypes
8 *
9 * Copyright (C) 2002, 2004 Oracle. All rights reserved.
Mark Fashehccd979b2005-12-15 14:31:24 -080010 */
11
12#ifndef OCFS2_LOCALALLOC_H
13#define OCFS2_LOCALALLOC_H
14
15int ocfs2_load_local_alloc(struct ocfs2_super *osb);
16
17void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb);
18
Mark Fasheh73c8a802010-04-05 18:17:13 -070019void ocfs2_la_set_sizes(struct ocfs2_super *osb, int requested_mb);
Mark Fasheh6b820212010-04-05 18:17:14 -070020unsigned int ocfs2_la_default_mb(struct ocfs2_super *osb);
Mark Fasheh73c8a802010-04-05 18:17:13 -070021
Mark Fashehccd979b2005-12-15 14:31:24 -080022int ocfs2_begin_local_alloc_recovery(struct ocfs2_super *osb,
23 int node_num,
24 struct ocfs2_dinode **alloc_copy);
25
26int ocfs2_complete_local_alloc_recovery(struct ocfs2_super *osb,
27 struct ocfs2_dinode *alloc);
28
29int ocfs2_alloc_should_use_local(struct ocfs2_super *osb,
30 u64 bits);
31
32struct ocfs2_alloc_context;
33int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb,
Mark Fashehccd979b2005-12-15 14:31:24 -080034 u32 bits_wanted,
35 struct ocfs2_alloc_context *ac);
36
37int ocfs2_claim_local_alloc_bits(struct ocfs2_super *osb,
Mark Fasheh1fabe142006-10-09 18:11:45 -070038 handle_t *handle,
Mark Fashehccd979b2005-12-15 14:31:24 -080039 struct ocfs2_alloc_context *ac,
Mark Fasheh415cb802007-09-16 20:10:16 -070040 u32 bits_wanted,
Mark Fashehccd979b2005-12-15 14:31:24 -080041 u32 *bit_off,
42 u32 *num_bits);
43
Zongxun Wangfb951eb2014-02-06 12:04:20 -080044int ocfs2_free_local_alloc_bits(struct ocfs2_super *osb,
45 handle_t *handle,
46 struct ocfs2_alloc_context *ac,
47 u32 bit_off,
48 u32 num_bits);
49
Mark Fasheh9c7af402008-07-28 18:02:53 -070050void ocfs2_local_alloc_seen_free_bits(struct ocfs2_super *osb,
51 unsigned int num_clusters);
52void ocfs2_la_enable_worker(struct work_struct *work);
53
Mark Fashehccd979b2005-12-15 14:31:24 -080054#endif /* OCFS2_LOCALALLOC_H */