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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** FileX Component */
/** */
/** Fault Tolerant */
/** */
/**************************************************************************/
/**************************************************************************/
#define FX_SOURCE_CODE
#include "fx_api.h"
#include "fx_utility.h"
#include "fx_directory.h"
#include "fx_fault_tolerant.h"
#ifdef FX_ENABLE_FAULT_TOLERANT
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _fx_fault_tolerant_write_log_file PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function writes data of one sector of fault tolerant data */
/* from memory to log file in file system. */
/* */
/* INPUT */
/* */
/* media_ptr Media control block pointer */
/* relative_sector Relative sector number of the */
/* log file to write to */
/* */
/* OUTPUT */
/* */
/* return status */
/* */
/* CALLS */
/* */
/* _fx_utility_logical_sector_write Write a logical sector */
/* _fx_utility_logical_sector_flush Flush written logical sectors */
/* */
/* CALLED BY */
/* */
/* _fx_fault_tolerant_cleanup_FAT_chain */
/* _fx_fault_tolerant_reset_log_file */
/* _fx_fault_tolerant_set_FAT_chain */
/* _fx_fault_tolerant_transaction_end */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 William E. Lamie Initial Version 6.0 */
/* 09-30-2020 William E. Lamie Modified comment(s), */
/* resulting in version 6.1 */
/* */
/**************************************************************************/
UINT _fx_fault_tolerant_write_log_file(FX_MEDIA *media_ptr, ULONG relative_sector)
{
UINT status;
ULONG start_sector;
/* Calculate the start sector of log file. */
start_sector = (media_ptr -> fx_media_fault_tolerant_start_cluster - FX_FAT_ENTRY_START) *
media_ptr -> fx_media_sectors_per_cluster +
media_ptr -> fx_media_data_sector_start;
/* Write sector directly. */
status = _fx_utility_logical_sector_write(media_ptr, (ULONG64) (start_sector + relative_sector),
media_ptr -> fx_media_fault_tolerant_memory_buffer +
media_ptr -> fx_media_bytes_per_sector * relative_sector,
((ULONG) 1), FX_DATA_SECTOR);
/* Check for a bad status. */
if (status != FX_SUCCESS)
{
/* Return the bad status. */
return(status);
}
/* Flush the internal logical sector cache. */
status = _fx_utility_logical_sector_flush(media_ptr, (ULONG64) start_sector, ((ULONG64) 1), FX_FALSE);
FX_FAULT_TOLERANT_WRITE_LOG_FILE_EXTENSION
/* Return the status. */
return(status);
}
#endif /* FX_ENABLE_FAULT_TOLERANT */
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