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1 files changed, 155 insertions, 0 deletions

diff --git a/include/ext4_config.h b/include/ext4_config.h
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index 0000000..3d856eb
--- /dev/null
+++ b/include/ext4_config.h
@@ -0,0 +1,155 @@
+/*
+ * 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
+
+#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
+/*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 count*/
+#ifndef CONFIG_EXT4_BLOCKDEVS_COUNT
+#define CONFIG_EXT4_BLOCKDEVS_COUNT 2
+#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
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* EXT4_CONFIG_H_ */
+
+/**
+ * @}
+ */