| 1 | /*
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| 2 | * Copyright (c) 2011 Martin Sucha
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| 3 | * Copyright (c) 2012 Frantisek Princ
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| 4 | * All rights reserved.
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| 5 | *
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| 6 | * Redistribution and use in source and binary forms, with or without
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| 7 | * modification, are permitted provided that the following conditions
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| 8 | * are met:
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| 9 | *
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| 10 | * - Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer.
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| 12 | * - Redistributions in binary form must reproduce the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer in the
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| 14 | * documentation and/or other materials provided with the distribution.
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| 15 | * - The name of the author may not be used to endorse or promote products
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| 16 | * derived from this software without specific prior written permission.
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| 17 | *
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | */
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| 29 |
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| 30 | /** @addtogroup libext4
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| 31 | * @{
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| 32 | */
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| 33 |
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| 34 | #ifndef LIBEXT4_LIBEXT4_BLOCK_GROUP_H_
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| 35 | #define LIBEXT4_LIBEXT4_BLOCK_GROUP_H_
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| 36 |
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| 37 | #include <block.h>
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| 38 | #include <sys/types.h>
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| 39 | #include "libext4_types.h"
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| 40 |
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| 41 | extern uint64_t ext4_block_group_get_block_bitmap(ext4_block_group_t *,
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| 42 | ext4_superblock_t *);
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| 43 | extern void ext4_block_group_set_block_bitmap(ext4_block_group_t *,
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| 44 | ext4_superblock_t *, uint64_t);
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| 45 | extern uint64_t ext4_block_group_get_inode_bitmap(ext4_block_group_t *,
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| 46 | ext4_superblock_t *);
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| 47 | extern void ext4_block_group_set_inode_bitmap(ext4_block_group_t *,
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| 48 | ext4_superblock_t *, uint64_t);
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| 49 | extern uint64_t ext4_block_group_get_inode_table_first_block(
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| 50 | ext4_block_group_t *, ext4_superblock_t *);
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| 51 | extern void ext4_block_group_set_inode_table_first_block(ext4_block_group_t *,
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| 52 | ext4_superblock_t *, uint64_t);
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| 53 | extern uint32_t ext4_block_group_get_free_blocks_count(ext4_block_group_t *,
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| 54 | ext4_superblock_t *);
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| 55 | extern void ext4_block_group_set_free_blocks_count(ext4_block_group_t *,
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| 56 | ext4_superblock_t *, uint32_t);
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| 57 | extern uint32_t ext4_block_group_get_free_inodes_count(ext4_block_group_t *,
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| 58 | ext4_superblock_t *);
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| 59 | extern void ext4_block_group_set_free_inodes_count(ext4_block_group_t *,
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| 60 | ext4_superblock_t *, uint32_t);
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| 61 | extern void ext4_block_group_set_free_inodes_count(ext4_block_group_t *,
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| 62 | ext4_superblock_t *, uint32_t);
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| 63 | extern uint32_t ext4_block_group_get_used_dirs_count(ext4_block_group_t *,
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| 64 | ext4_superblock_t *);
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| 65 | extern void ext4_block_group_set_used_dirs_count(ext4_block_group_t *,
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| 66 | ext4_superblock_t *, uint32_t);
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| 67 | extern uint16_t ext4_block_group_get_flags(ext4_block_group_t *);
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| 68 | extern void ext4_block_group_set_flags(ext4_block_group_t *, uint16_t);
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| 69 | extern uint32_t ext4_block_group_get_itable_unused(ext4_block_group_t *,
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| 70 | ext4_superblock_t *);
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| 71 | extern void ext4_block_group_set_itable_unused(ext4_block_group_t *,
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| 72 | ext4_superblock_t *, uint32_t);
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| 73 | extern uint16_t ext4_block_group_get_checksum(ext4_block_group_t *);
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| 74 | extern void ext4_block_group_set_checksum(ext4_block_group_t *, uint16_t);
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| 75 |
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| 76 | extern bool ext4_block_group_has_flag(ext4_block_group_t *, uint32_t);
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| 77 | extern void ext4_block_group_set_flag(ext4_block_group_t *, uint32_t);
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| 78 | extern void ext4_block_group_clear_flag(ext4_block_group_t *, uint32_t);
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| 79 |
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| 80 | #endif
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| 81 |
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| 82 | /**
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| 83 | * @}
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| 84 | */
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