fx_fault_tolerant_write_log_file.c
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|---|---|---|---|
| 1 | /*************************************************************************** | ||
| 2 | * Copyright (c) 2024 Microsoft Corporation | ||
| 3 | * Copyright (c) 2026-present Eclipse ThreadX contributors | ||
| 4 | * | ||
| 5 | * This program and the accompanying materials are made available under the | ||
| 6 | * terms of the MIT License which is available at | ||
| 7 | * https://opensource.org/licenses/MIT. | ||
| 8 | * | ||
| 9 | * SPDX-License-Identifier: MIT | ||
| 10 | **************************************************************************/ | ||
| 11 | |||
| 12 | |||
| 13 | /**************************************************************************/ | ||
| 14 | /**************************************************************************/ | ||
| 15 | /** */ | ||
| 16 | /** FileX Component */ | ||
| 17 | /** */ | ||
| 18 | /** Fault Tolerant */ | ||
| 19 | /** */ | ||
| 20 | /**************************************************************************/ | ||
| 21 | /**************************************************************************/ | ||
| 22 | |||
| 23 | #define FX_SOURCE_CODE | ||
| 24 | |||
| 25 | #include "fx_api.h" | ||
| 26 | #include "fx_utility.h" | ||
| 27 | #include "fx_directory.h" | ||
| 28 | #include "fx_fault_tolerant.h" | ||
| 29 | |||
| 30 | |||
| 31 | #ifdef FX_ENABLE_FAULT_TOLERANT | ||
| 32 | /**************************************************************************/ | ||
| 33 | /* */ | ||
| 34 | /* FUNCTION RELEASE */ | ||
| 35 | /* */ | ||
| 36 | /* _fx_fault_tolerant_write_log_file PORTABLE C */ | ||
| 37 | /* 6.1 */ | ||
| 38 | /* AUTHOR */ | ||
| 39 | /* */ | ||
| 40 | /* William E. Lamie, Microsoft Corporation */ | ||
| 41 | /* */ | ||
| 42 | /* DESCRIPTION */ | ||
| 43 | /* */ | ||
| 44 | /* This function writes data of one sector of fault tolerant data */ | ||
| 45 | /* from memory to log file in file system. */ | ||
| 46 | /* */ | ||
| 47 | /* INPUT */ | ||
| 48 | /* */ | ||
| 49 | /* media_ptr Media control block pointer */ | ||
| 50 | /* relative_sector Relative sector number of the */ | ||
| 51 | /* log file to write to */ | ||
| 52 | /* */ | ||
| 53 | /* OUTPUT */ | ||
| 54 | /* */ | ||
| 55 | /* return status */ | ||
| 56 | /* */ | ||
| 57 | /* CALLS */ | ||
| 58 | /* */ | ||
| 59 | /* _fx_utility_logical_sector_write Write a logical sector */ | ||
| 60 | /* _fx_utility_logical_sector_flush Flush written logical sectors */ | ||
| 61 | /* */ | ||
| 62 | /* CALLED BY */ | ||
| 63 | /* */ | ||
| 64 | /* _fx_fault_tolerant_cleanup_FAT_chain */ | ||
| 65 | /* _fx_fault_tolerant_reset_log_file */ | ||
| 66 | /* _fx_fault_tolerant_set_FAT_chain */ | ||
| 67 | /* _fx_fault_tolerant_transaction_end */ | ||
| 68 | /* */ | ||
| 69 | /**************************************************************************/ | ||
| 70 | 333441623 | UINT _fx_fault_tolerant_write_log_file(FX_MEDIA *media_ptr, ULONG relative_sector) | |
| 71 | { | ||
| 72 | UINT status; | ||
| 73 | ULONG start_sector; | ||
| 74 | |||
| 75 | /* Calculate the start sector of log file. */ | ||
| 76 | 333441623 | start_sector = (media_ptr -> fx_media_fault_tolerant_start_cluster - FX_FAT_ENTRY_START) * | |
| 77 | 333441623 | media_ptr -> fx_media_sectors_per_cluster + | |
| 78 | 333441623 | media_ptr -> fx_media_data_sector_start; | |
| 79 | |||
| 80 | |||
| 81 | /* Write sector directly. */ | ||
| 82 | 333441623 | status = _fx_utility_logical_sector_write(media_ptr, (ULONG64) (start_sector + relative_sector), | |
| 83 | 333441623 | media_ptr -> fx_media_fault_tolerant_memory_buffer + | |
| 84 | 333441623 | media_ptr -> fx_media_bytes_per_sector * relative_sector, | |
| 85 | ((ULONG) 1), FX_DATA_SECTOR); | ||
| 86 | |||
| 87 | /* Check for a bad status. */ | ||
| 88 |
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333441206 | if (status != FX_SUCCESS) |
| 89 | { | ||
| 90 | |||
| 91 | /* Return the bad status. */ | ||
| 92 | 42 | return(status); | |
| 93 | } | ||
| 94 | |||
| 95 | /* Flush the internal logical sector cache. */ | ||
| 96 | 333441164 | status = _fx_utility_logical_sector_flush(media_ptr, (ULONG64) start_sector, ((ULONG64) 1), FX_FALSE); | |
| 97 | |||
| 98 | FX_FAULT_TOLERANT_WRITE_LOG_FILE_EXTENSION | ||
| 99 | |||
| 100 | /* Return the status. */ | ||
| 101 | 333441164 | return(status); | |
| 102 | } | ||
| 103 | #endif /* FX_ENABLE_FAULT_TOLERANT */ | ||
| 104 | |||
| 105 |