Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
localalloc.h
Go to the documentation of this file.
1 /* -*- mode: c; c-basic-offset: 8; -*-
2  * vim: noexpandtab sw=8 ts=8 sts=0:
3  *
4  * localalloc.h
5  *
6  * Function prototypes
7  *
8  * Copyright (C) 2002, 2004 Oracle. All rights reserved.
9  *
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public
12  * License as published by the Free Software Foundation; either
13  * version 2 of the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18  * General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public
21  * License along with this program; if not, write to the
22  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23  * Boston, MA 021110-1307, USA.
24  */
25 
26 #ifndef OCFS2_LOCALALLOC_H
27 #define OCFS2_LOCALALLOC_H
28 
29 int ocfs2_load_local_alloc(struct ocfs2_super *osb);
30 
31 void ocfs2_shutdown_local_alloc(struct ocfs2_super *osb);
32 
33 void ocfs2_la_set_sizes(struct ocfs2_super *osb, int requested_mb);
34 unsigned int ocfs2_la_default_mb(struct ocfs2_super *osb);
35 
36 int ocfs2_begin_local_alloc_recovery(struct ocfs2_super *osb,
37  int node_num,
38  struct ocfs2_dinode **alloc_copy);
39 
40 int ocfs2_complete_local_alloc_recovery(struct ocfs2_super *osb,
41  struct ocfs2_dinode *alloc);
42 
43 int ocfs2_alloc_should_use_local(struct ocfs2_super *osb,
44  u64 bits);
45 
46 struct ocfs2_alloc_context;
47 int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb,
48  u32 bits_wanted,
49  struct ocfs2_alloc_context *ac);
50 
51 int ocfs2_claim_local_alloc_bits(struct ocfs2_super *osb,
52  handle_t *handle,
53  struct ocfs2_alloc_context *ac,
54  u32 bits_wanted,
55  u32 *bit_off,
56  u32 *num_bits);
57 
58 void ocfs2_local_alloc_seen_free_bits(struct ocfs2_super *osb,
59  unsigned int num_clusters);
60 void ocfs2_la_enable_worker(struct work_struct *work);
61 
62 #endif /* OCFS2_LOCALALLOC_H */
Generated on Thu Jan 10 2013 14:49:29 for Linux Kernel by   doxygen 1.8.2