shithub: lwext4

ref: ee301d4abbb9e17aa0c0fdb0c750925da3e03305
dir: /lwext4/ext4_config.h/

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/*
 * Copyright (c) 2013 Grzegorz Kostka ([email protected])
 * 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_config.h
 * @brief Configuration file.
 */

#ifndef EXT4_CONFIG_H_
#define EXT4_CONFIG_H_

#ifdef CONFIG_HAVE_OWN_CFG
#include <config.h>
#endif

/*****************************************************************************/

#define F_SET_EXT2    2
#define F_SET_EXT3    3
#define F_SET_EXT4    4

#ifndef CONFIG_EXT_FEATURE_SET_LVL
#define CONFIG_EXT_FEATURE_SET_LVL  F_SET_EXT4
#endif

/*****************************************************************************/

#if CONFIG_EXT_FEATURE_SET_LVL == F_SET_EXT2
    #define CONFIG_DIR_INDEX_ENABLE     0
    #define CONFIG_EXTENT_ENABLE        0

    /*Superblock features flag*/
    #define CONFIG_FEATURE_COMPAT_SUPP    EXT2_FEATURE_COMPAT_SUPP

    #define CONFIG_FEATURE_INCOMPAT_SUPP  (EXT2_FEATURE_INCOMPAT_SUPP | \
                                          FEATURE_INCOMPAT_IGNORED)

    #define CONFIG_FEATURE_RO_COMPAT_SUPP EXT2_FEATURE_RO_COMPAT_SUPP
#elif CONFIG_EXT_FEATURE_SET_LVL == F_SET_EXT3
    #define CONFIG_DIR_INDEX_ENABLE     1
    #define CONFIG_EXTENT_ENABLE        0

    /*Superblock features flag*/
    #define CONFIG_FEATURE_COMPAT_SUPP    EXT3_FEATURE_COMPAT_SUPP

    #define CONFIG_FEATURE_INCOMPAT_SUPP  (EXT3_FEATURE_INCOMPAT_SUPP | \
                                          FEATURE_INCOMPAT_IGNORED)

    #define CONFIG_FEATURE_RO_COMPAT_SUPP EXT3_FEATURE_RO_COMPAT_SUPP
#elif CONFIG_EXT_FEATURE_SET_LVL == F_SET_EXT4
    #define CONFIG_DIR_INDEX_ENABLE     1
    #define CONFIG_EXTENT_ENABLE        1

    /*Superblock features flag*/
    #define CONFIG_FEATURE_COMPAT_SUPP    EXT4_FEATURE_COMPAT_SUPP

    #define CONFIG_FEATURE_INCOMPAT_SUPP  (EXT4_FEATURE_INCOMPAT_SUPP | \
                                          FEATURE_INCOMPAT_IGNORED)

    #define CONFIG_FEATURE_RO_COMPAT_SUPP EXT4_FEATURE_RO_COMPAT_SUPP
#else
#define "Unsupported CONFIG_EXT_FEATURE_SET_LVL"
#endif


/*****************************************************************************/

/**@brief   Enable directory indexing comb sort*/
#ifndef CONFIG_DIR_INDEX_COMB_SORT
#define CONFIG_DIR_INDEX_COMB_SORT  1
#endif



/**@brief   Include error codes from ext4_errno or sandard library.*/
#ifndef CONFIG_HAVE_OWN_ERRNO
#define CONFIG_HAVE_OWN_ERRNO       1
#endif


/**@brief   Debug printf enable (stdout)*/
#ifndef CONFIG_DEBUG_PRINTF
#define CONFIG_DEBUG_PRINTF         1
#endif

/**@brief   Assert printf enable (stdout)*/
#ifndef CONFIG_DEBUG_ASSERT
#define CONFIG_DEBUG_ASSERT         1
#endif

/**@brief   Statistics of block device*/
#ifndef CONFIG_BLOCK_DEV_ENABLE_STATS
#define CONFIG_BLOCK_DEV_ENABLE_STATS   1
#endif

/**@brief   Cache size of block device.*/
#ifndef CONFIG_BLOCK_DEV_CACHE_SIZE
#define CONFIG_BLOCK_DEV_CACHE_SIZE     8
#endif


/**@brief   Ilosc urzadzen blokowych.*/
#ifndef CONFIG_EXT4_BLOCKDEVS_COUNT
#define CONFIG_EXT4_BLOCKDEVS_COUNT     2
#endif

/**@brief   Ilosc punktow montowania systemu plikow*/
#ifndef CONFIG_EXT4_MOUNTPOINTS_COUNT
#define CONFIG_EXT4_MOUNTPOINTS_COUNT   2
#endif

#endif /* EXT4_CONFIG_H_ */

/**
 * @}
 */