source: mainline/uspace/lib/ext4/libext4_filesystem.h@ 3e2952b

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 3e2952b was 1ac1ab4, checked in by Frantisek Princ <frantisek.princ@…>, 13 years ago

simplied headers of more functions, improved bg_ref and inode_ref structures, added block group checksumming and fixed bug in block_group values updating

  • Property mode set to 100644
File size: 2.9 KB
Line 
1/*
2 * Copyright (c) 2011 Frantisek Princ
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup libext4
30 * @{
31 */
32
33#ifndef LIBEXT4_LIBEXT4_FILESYSTEM_H_
34#define LIBEXT4_LIBEXT4_FILESYSTEM_H_
35
36#include <libblock.h>
37#include "libext4_types.h"
38
39extern int ext4_filesystem_init(ext4_filesystem_t *, service_id_t);
40extern int ext4_filesystem_fini(ext4_filesystem_t *fs, bool);
41extern int ext4_filesystem_check_sanity(ext4_filesystem_t *fs);
42extern int ext4_filesystem_check_features(ext4_filesystem_t *, bool *);
43extern int ext4_filesystem_get_block_group_ref(ext4_filesystem_t *, uint32_t,
44 ext4_block_group_ref_t **);
45extern int ext4_filesystem_put_block_group_ref(ext4_block_group_ref_t *);
46extern int ext4_filesystem_get_inode_ref(ext4_filesystem_t *, uint32_t,
47 ext4_inode_ref_t **);
48extern int ext4_filesystem_put_inode_ref(ext4_inode_ref_t *);
49extern int ext4_filesystem_alloc_inode(ext4_filesystem_t *,
50 ext4_inode_ref_t **, int);
51extern int ext4_filesystem_free_inode(ext4_inode_ref_t *);
52extern int ext4_filesystem_truncate_inode(ext4_inode_ref_t *, aoff64_t);
53extern int ext4_filesystem_get_inode_data_block_index(ext4_inode_ref_t *,
54 aoff64_t iblock, uint32_t *);
55extern int ext4_filesystem_set_inode_data_block_index(ext4_inode_ref_t *,
56 aoff64_t, uint32_t);
57extern int ext4_filesystem_release_inode_block(
58 ext4_inode_ref_t *, uint32_t);
59extern int ext4_filesystem_add_orphan(ext4_inode_ref_t *);
60extern int ext4_filesystem_delete_orphan(ext4_inode_ref_t *);
61
62extern uint16_t ext4_group_desc_csum(ext4_superblock_t *, uint32_t,
63 ext4_block_group_t *);
64#endif
65
66/**
67 * @}
68 */
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