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