xref: /linux/fs/ocfs2/localalloc.h (revision cbdb1f163af2bb90d01be1f0263df1d8d5c9d9d3)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * localalloc.h
4  *
5  * Function prototypes
6  *
7  * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
8  */
9 
10 #ifndef OCFS2_LOCALALLOC_H
11 #define OCFS2_LOCALALLOC_H
12 
13 int ocfs2_load_local_alloc(struct ocfs2_super *osb);
14 
15 void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb);
16 
17 void ocfs2_la_set_sizes(struct ocfs2_super *osb, int requested_mb);
18 unsigned int ocfs2_la_default_mb(struct ocfs2_super *osb);
19 
20 int ocfs2_begin_local_alloc_recovery(struct ocfs2_super *osb,
21 				     int node_num,
22 				     struct ocfs2_dinode **alloc_copy);
23 
24 int ocfs2_complete_local_alloc_recovery(struct ocfs2_super *osb,
25 					struct ocfs2_dinode *alloc);
26 
27 int ocfs2_alloc_should_use_local(struct ocfs2_super *osb,
28 				 u64 bits);
29 
30 struct ocfs2_alloc_context;
31 int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb,
32 				   u32 bits_wanted,
33 				   struct ocfs2_alloc_context *ac);
34 
35 int ocfs2_claim_local_alloc_bits(struct ocfs2_super *osb,
36 				 handle_t *handle,
37 				 struct ocfs2_alloc_context *ac,
38 				 u32 bits_wanted,
39 				 u32 *bit_off,
40 				 u32 *num_bits);
41 
42 int ocfs2_free_local_alloc_bits(struct ocfs2_super *osb,
43 				handle_t *handle,
44 				struct ocfs2_alloc_context *ac,
45 				u32 bit_off,
46 				u32 num_bits);
47 
48 void ocfs2_local_alloc_seen_free_bits(struct ocfs2_super *osb,
49 				      unsigned int num_clusters);
50 void ocfs2_la_enable_worker(struct work_struct *work);
51 
52 #endif /* OCFS2_LOCALALLOC_H */
53