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Viewing changes to uspace/lib/ext4/libext4_superblock.h

  • Committer: Jiri Svoboda
  • Date: 2012-11-11 21:31:03 UTC
  • mfrom: (1527.1.178 mainline)
  • Revision ID: jiri@wiwaxia-20121111213103-314bmkettwvlwj97
Merge mainline changes.

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uspace/lib/ext4/libext4_superblock.h
 
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/*
 
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 * Copyright (c) 2011 Martin Sucha
 
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 * Copyright (c) 2012 Frantisek Princ
 
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 * All rights reserved.
 
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 *
 
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 * Redistribution and use in source and binary forms, with or without
 
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 * modification, are permitted provided that the following conditions
 
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 * are met:
 
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 *
 
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 * - Redistributions of source code must retain the above copyright
 
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 *   notice, this list of conditions and the following disclaimer.
 
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 * - Redistributions in binary form must reproduce the above copyright
 
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 *   notice, this list of conditions and the following disclaimer in the
 
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 *   documentation and/or other materials provided with the distribution.
 
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 * - The name of the author may not be used to endorse or promote products
 
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 *   derived from this software without specific prior written permission.
 
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 *
 
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
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 */
 
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/** @addtogroup libext4
 
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 * @{
 
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 */
 
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#ifndef LIBEXT4_LIBEXT4_SUPERBLOCK_H_
 
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#define LIBEXT4_LIBEXT4_SUPERBLOCK_H_
 
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#include <block.h>
 
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#include <sys/types.h>
 
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#include "libext4_types.h"
 
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extern uint32_t ext4_superblock_get_inodes_count(ext4_superblock_t *);
 
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extern void ext4_superblock_set_inodes_count(ext4_superblock_t *, uint32_t);
 
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extern uint64_t ext4_superblock_get_blocks_count(ext4_superblock_t *);
 
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extern void ext4_superblock_set_blocks_count(ext4_superblock_t *, uint64_t);
 
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extern uint64_t ext4_superblock_get_reserved_blocks_count(ext4_superblock_t *);
 
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extern void ext4_superblock_set_reserved_blocks_count(ext4_superblock_t *,
 
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    uint64_t);
 
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extern uint64_t ext4_superblock_get_free_blocks_count(ext4_superblock_t *);
 
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extern void ext4_superblock_set_free_blocks_count(ext4_superblock_t *,
 
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    uint64_t);
 
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extern uint32_t ext4_superblock_get_free_inodes_count(ext4_superblock_t *);
 
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extern void ext4_superblock_set_free_inodes_count(ext4_superblock_t *,
 
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    uint32_t);
 
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extern uint32_t ext4_superblock_get_first_data_block(ext4_superblock_t *);
 
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extern void ext4_superblock_set_first_data_block(ext4_superblock_t *, uint32_t);
 
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extern uint32_t ext4_superblock_get_log_block_size(ext4_superblock_t *);
 
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extern void ext4_superblock_set_log_block_size(ext4_superblock_t *, uint32_t);
 
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extern uint32_t ext4_superblock_get_block_size(ext4_superblock_t *);
 
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extern void ext4_superblock_set_block_size(ext4_superblock_t *, uint32_t);
 
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extern uint32_t ext4_superblock_get_log_frag_size(ext4_superblock_t *);
 
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extern void ext4_superblock_set_log_frag_size(ext4_superblock_t *, uint32_t);
 
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extern uint32_t ext4_superblock_get_frag_size(ext4_superblock_t *);
 
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extern void ext4_superblock_set_frag_size(ext4_superblock_t *, uint32_t);
 
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extern uint32_t ext4_superblock_get_blocks_per_group(ext4_superblock_t *);
 
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extern void ext4_superblock_set_blocks_per_group(ext4_superblock_t *, uint32_t);
 
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extern uint32_t ext4_superblock_get_frags_per_group(ext4_superblock_t *);
 
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extern void ext4_superblock_set_frags_per_group(ext4_superblock_t *, uint32_t);
 
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extern uint32_t ext4_superblock_get_inodes_per_group(ext4_superblock_t *);
 
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extern void ext4_superblock_set_inodes_per_group(ext4_superblock_t *, uint32_t);
 
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extern uint32_t ext4_superblock_get_mount_time(ext4_superblock_t *);
 
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extern void ext4_superblock_set_mount_time(ext4_superblock_t *, uint32_t);
 
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extern uint32_t ext4_superblock_get_write_time(ext4_superblock_t *);
 
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extern void ext4_superblock_set_write_time(ext4_superblock_t *, uint32_t);
 
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extern uint16_t ext4_superblock_get_mount_count(ext4_superblock_t *);
 
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extern void ext4_superblock_set_mount_count(ext4_superblock_t *, uint16_t);
 
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extern uint16_t ext4_superblock_get_max_mount_count(ext4_superblock_t *);
 
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extern void ext4_superblock_set_max_mount_count(ext4_superblock_t *, uint16_t);
 
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extern uint16_t ext4_superblock_get_magic(ext4_superblock_t *);
 
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extern void ext4_superblock_set_magic(ext4_superblock_t *sb, uint16_t magic);
 
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extern uint16_t ext4_superblock_get_state(ext4_superblock_t *);
 
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extern void ext4_superblock_set_state(ext4_superblock_t *, uint16_t);
 
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extern uint16_t ext4_superblock_get_errors(ext4_superblock_t *);
 
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extern void ext4_superblock_set_errors(ext4_superblock_t *, uint16_t);
 
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extern uint16_t ext4_superblock_get_minor_rev_level(ext4_superblock_t *);
 
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extern void ext4_superblock_set_minor_rev_level(ext4_superblock_t *, uint16_t);
 
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extern uint32_t ext4_superblock_get_last_check_time(ext4_superblock_t *);
 
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extern void ext4_superblock_set_last_check_time(ext4_superblock_t *, uint32_t);
 
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extern uint32_t ext4_superblock_get_check_interval(ext4_superblock_t *);
 
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extern void ext4_superblock_set_check_interval(ext4_superblock_t *, uint32_t);
 
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extern uint32_t ext4_superblock_get_creator_os(ext4_superblock_t *);
 
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extern void ext4_superblock_set_creator_os(ext4_superblock_t *, uint32_t);
 
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extern uint32_t ext4_superblock_get_rev_level(ext4_superblock_t *);
 
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extern void ext4_superblock_set_rev_level(ext4_superblock_t *, uint32_t);
 
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extern uint16_t ext4_superblock_get_def_resuid(ext4_superblock_t *);
 
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extern void ext4_superblock_set_def_resuid(ext4_superblock_t *, uint16_t);
 
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extern uint16_t ext4_superblock_get_def_resgid(ext4_superblock_t *);
 
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extern void ext4_superblock_set_def_resgid(ext4_superblock_t *, uint16_t);
 
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extern uint32_t ext4_superblock_get_first_inode(ext4_superblock_t *);
 
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extern void ext4_superblock_set_first_inode(ext4_superblock_t *, uint32_t);
 
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extern uint16_t ext4_superblock_get_inode_size(ext4_superblock_t *);
 
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extern void ext4_superblock_set_inode_size(ext4_superblock_t *, uint16_t);
 
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extern uint16_t ext4_superblock_get_block_group_index(ext4_superblock_t *);
 
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extern void ext4_superblock_set_block_group_index(ext4_superblock_t *,
 
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    uint16_t);
 
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extern uint32_t ext4_superblock_get_features_compatible(ext4_superblock_t *);
 
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extern void ext4_superblock_set_features_compatible(ext4_superblock_t *,
 
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    uint32_t);
 
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extern uint32_t ext4_superblock_get_features_incompatible(ext4_superblock_t *);
 
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extern void ext4_superblock_set_features_incompatible(ext4_superblock_t *,
 
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    uint32_t);
 
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extern uint32_t ext4_superblock_get_features_read_only(ext4_superblock_t *);
 
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extern void ext4_superblock_set_features_read_only(ext4_superblock_t *,
 
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    uint32_t);
 
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extern const uint8_t * ext4_superblock_get_uuid(ext4_superblock_t *);
 
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extern void ext4_superblock_set_uuid(ext4_superblock_t *, const uint8_t *);
 
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extern const char * ext4_superblock_get_volume_name(ext4_superblock_t *);
 
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extern void ext4_superblock_set_volume_name(ext4_superblock_t *, const char *);
 
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extern const char * ext4_superblock_get_last_mounted(ext4_superblock_t *);
 
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extern void ext4_superblock_set_last_mounted(ext4_superblock_t *, const char *);
 
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extern uint32_t ext4_superblock_get_last_orphan(ext4_superblock_t *);
 
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extern void ext4_superblock_set_last_orphan(ext4_superblock_t *, uint32_t);
 
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extern const uint32_t * ext4_superblock_get_hash_seed(ext4_superblock_t *);
 
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extern void ext4_superblock_set_hash_seed(ext4_superblock_t *,
 
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    const uint32_t *);
 
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extern uint8_t ext4_superblock_get_default_hash_version(ext4_superblock_t *);
 
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extern void ext4_superblock_set_default_hash_version(ext4_superblock_t *,
 
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    uint8_t);
 
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extern uint16_t ext4_superblock_get_desc_size(ext4_superblock_t *);
 
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extern void ext4_superblock_set_desc_size(ext4_superblock_t *, uint16_t);
 
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extern uint32_t ext4_superblock_get_flags(ext4_superblock_t *);
 
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extern void ext4_superblock_set_flags(ext4_superblock_t *, uint32_t);
 
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/* More complex superblock functions */
 
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extern bool ext4_superblock_has_flag(ext4_superblock_t *, uint32_t);
 
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extern bool ext4_superblock_has_feature_compatible(ext4_superblock_t *,
 
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    uint32_t);
 
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extern bool ext4_superblock_has_feature_incompatible(ext4_superblock_t *,
 
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    uint32_t);
 
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extern bool ext4_superblock_has_feature_read_only(ext4_superblock_t *,
 
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    uint32_t);
 
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extern int ext4_superblock_read_direct(service_id_t, ext4_superblock_t **);
 
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extern int ext4_superblock_write_direct(service_id_t, ext4_superblock_t *);
 
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extern int ext4_superblock_check_sanity(ext4_superblock_t *);
 
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extern uint32_t ext4_superblock_get_block_group_count(ext4_superblock_t *);
 
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extern uint32_t ext4_superblock_get_blocks_in_group(ext4_superblock_t *,
 
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    uint32_t);
 
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extern uint32_t ext4_superblock_get_inodes_in_group(ext4_superblock_t *,
 
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    uint32_t);
 
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#endif
 
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/**
 
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 * @}
 
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 */