ref: e6435a48f54c9f84eec99bb5f56c327ae59b9c1f
dir: /include/ext4_config.h/
/* * Copyright (c) 2013 Grzegorz Kostka (kostka.grzegorz@gmail.com) * 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 __cplusplus extern "C" { #endif #if !CONFIG_USE_DEFAULT_CFG #include "generated/ext4_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 /*Superblock features flag EXT2*/ #define CONFIG_SUPPORTED_FCOM EXT2_SUPPORTED_FCOM #define CONFIG_SUPPORTED_FINCOM (EXT2_SUPPORTED_FINCOM | EXT_FINCOM_IGNORED) #define CONFIG_SUPPORTED_FRO_COM EXT2_SUPPORTED_FRO_COM #elif CONFIG_EXT_FEATURE_SET_LVL == F_SET_EXT3 /*Superblock features flag EXT3*/ #define CONFIG_SUPPORTED_FCOM EXT3_SUPPORTED_FCOM #define CONFIG_SUPPORTED_FINCOM (EXT3_SUPPORTED_FINCOM | EXT_FINCOM_IGNORED) #define CONFIG_SUPPORTED_FRO_COM EXT3_SUPPORTED_FRO_COM #elif CONFIG_EXT_FEATURE_SET_LVL == F_SET_EXT4 /*Superblock features flag EXT4*/ #define CONFIG_SUPPORTED_FCOM EXT4_SUPPORTED_FCOM #define CONFIG_SUPPORTED_FINCOM (EXT4_SUPPORTED_FINCOM | EXT_FINCOM_IGNORED) #define CONFIG_SUPPORTED_FRO_COM EXT4_SUPPORTED_FRO_COM #else #define "Unsupported CONFIG_EXT_FEATURE_SET_LVL" #endif #define CONFIG_DIR_INDEX_ENABLE (CONFIG_SUPPORTED_FCOM & EXT4_FCOM_DIR_INDEX) #define CONFIG_EXTENT_ENABLE (CONFIG_SUPPORTED_FINCOM & EXT4_FINCOM_EXTENTS) #define CONFIG_META_CSUM_ENABLE (CONFIG_SUPPORTED_FRO_COM & EXT4_FRO_COM_METADATA_CSUM) /*****************************************************************************/ /**@brief Enable/disable journaling*/ #ifndef CONFIG_JOURNALING_ENABLE #define CONFIG_JOURNALING_ENABLE 1 #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 standard library.*/ #ifndef CONFIG_HAVE_OWN_ERRNO #define CONFIG_HAVE_OWN_ERRNO 0 #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 Include assert codes from ext4_debug or standard library.*/ #ifndef CONFIG_HAVE_OWN_ASSERT #define CONFIG_HAVE_OWN_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 Maximum block device name*/ #ifndef CONFIG_EXT4_MAX_BLOCKDEV_NAME #define CONFIG_EXT4_MAX_BLOCKDEV_NAME 32 #endif /**@brief Maximum block device count*/ #ifndef CONFIG_EXT4_BLOCKDEVS_COUNT #define CONFIG_EXT4_BLOCKDEVS_COUNT 2 #endif /**@brief Maximum mountpoint name*/ #ifndef CONFIG_EXT4_MAX_MP_NAME #define CONFIG_EXT4_MAX_MP_NAME 32 #endif /**@brief Maximum mountpoint count*/ #ifndef CONFIG_EXT4_MOUNTPOINTS_COUNT #define CONFIG_EXT4_MOUNTPOINTS_COUNT 2 #endif /**@brief Include open flags from ext4_errno or standard library.*/ #ifndef CONFIG_HAVE_OWN_OFLAGS #define CONFIG_HAVE_OWN_OFLAGS 1 #endif /**@brief Maximum single truncate size. Transactions must be limited to reduce * number of allocetions for single transaction*/ #ifndef CONFIG_MAX_TRUNCATE_SIZE #define CONFIG_MAX_TRUNCATE_SIZE (16ul * 1024ul * 1024ul) #endif /**@brief Unaligned access switch on/off*/ #ifndef CONFIG_UNALIGNED_ACCESS #define CONFIG_UNALIGNED_ACCESS 0 #endif /**@brief Switches use of malloc/free functions family * from standard library to user provided*/ #ifndef CONFIG_USE_USER_MALLOC #define CONFIG_USE_USER_MALLOC 0 #endif #ifdef __cplusplus } #endif #endif /* EXT4_CONFIG_H_ */ /** * @} */