ref: d36c74f96ba22f58fb3ed11c19e3d6cb138e3224
dir: /lwext4/ext4_fs.h/
/*
* Copyright (c) 2013 Grzegorz Kostka ([email protected])
*
*
* HelenOS:
* Copyright (c) 2012 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 lwext4
* @{
*/
/**
* @file ext4_fs.c
* @brief More complex filesystem functions.
*/
#ifndef EXT4_FS_H_
#define EXT4_FS_H_
#include <ext4_config.h>
#include <ext4_types.h>
#include <stdint.h>
#include <stdbool.h>
/**@brief TODO: ...*/
int ext4_fs_init(struct ext4_fs *fs, struct ext4_blockdev *bdev);
/**@brief TODO: ...*/
int ext4_fs_fini(struct ext4_fs *fs);
/**@brief TODO: ...*/
int ext4_fs_check_features(struct ext4_fs *fs, bool *read_only);
/**@brief TODO: ...*/
uint32_t ext4_fs_baddr2_index_in_group(struct ext4_sblock *s, uint32_t baddr);
/**@brief TODO: ...*/
uint32_t ext4_fs_index_in_group2_baddr(struct ext4_sblock *s, uint32_t index,
uint32_t bgid);
/**@brief TODO: ...*/
int ext4_fs_get_block_group_ref(struct ext4_fs *fs, uint32_t bgid,
struct ext4_block_group_ref *ref);
/**@brief TODO: ...*/
int ext4_fs_put_block_group_ref(struct ext4_block_group_ref *ref);
/**@brief TODO: ...*/
int ext4_fs_get_inode_ref(struct ext4_fs *fs, uint32_t index,
struct ext4_inode_ref *ref);
/**@brief TODO: ...*/
int ext4_fs_put_inode_ref(struct ext4_inode_ref *ref);
/**@brief TODO: ...*/
int ext4_fs_alloc_inode(struct ext4_fs *fs, struct ext4_inode_ref *inode_ref,
bool is_directory);
/**@brief TODO: ...*/
int ext4_fs_free_inode(struct ext4_inode_ref *inode_ref);
/**@brief TODO: ...*/
int ext4_fs_truncate_inode(struct ext4_inode_ref *inode_ref,
uint64_t new_size);
/**@brief TODO: ...*/
int ext4_fs_get_inode_data_block_index(struct ext4_inode_ref *inode_ref,
uint64_t iblock, uint32_t *fblock);
/**@brief TODO: ...*/
int ext4_fs_set_inode_data_block_index(struct ext4_inode_ref *inode_ref,
uint64_t iblock, uint32_t fblock);
/**@brief TODO: ...*/
int ext4_fs_release_inode_block(struct ext4_inode_ref *inode_ref,
uint32_t iblock);
/**@brief TODO: ...*/
int ext4_fs_append_inode_block(struct ext4_inode_ref *inode_ref,
uint32_t *fblock, uint32_t *iblock);
#endif /* EXT4_FS_H_ */
/**
* @}
*/