xref: /kernel/linux/linux-5.10/fs/ocfs2/localalloc.h (revision 8c2ecf20)
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 * localalloc.h
6 *
7 * Function prototypes
8 *
9 * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
10 */
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
19void ocfs2_la_set_sizes(struct ocfs2_super *osb, int requested_mb);
20unsigned int ocfs2_la_default_mb(struct ocfs2_super *osb);
21
22int 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,
34				   u32 bits_wanted,
35				   struct ocfs2_alloc_context *ac);
36
37int ocfs2_claim_local_alloc_bits(struct ocfs2_super *osb,
38				 handle_t *handle,
39				 struct ocfs2_alloc_context *ac,
40				 u32 bits_wanted,
41				 u32 *bit_off,
42				 u32 *num_bits);
43
44int 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
50void 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
54#endif /* OCFS2_LOCALALLOC_H */
55