:orphan:

.. title:: FS_FATFS_LFN

.. option:: CONFIG_FS_FATFS_LFN

*Enable long filenames (LFN)*

Type: ``bool``

Help
====

Without long filenames enabled, file names are limited to 8.3 format.
This option increases working buffer size.

Direct dependencies
===================

\ :option:`FAT_FILESYSTEM_ELM <CONFIG_FAT_FILESYSTEM_ELM>` && \ :option:`FILE_SYSTEM <CONFIG_FILE_SYSTEM>`

*(Includes any dependencies from ifs and menus.)*

Defaults
========

No defaults. Implicitly defaults to ``n``.

Symbols that select this symbol
===============================

- \ :option:`FS_FATFS_EXFAT <CONFIG_FS_FATFS_EXFAT>`

Kconfig definition
==================

.. highlight:: kconfig

At ``subsys/fs/Kconfig.fatfs:60``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:34`` → ``subsys/Kconfig:25`` → ``subsys/fs/Kconfig:60``

Menu path: (Top) → Sub Systems and OS Services → File Systems → File system support → ELM FAT file system support → ELM FAT file system settings

.. parsed-literal::

    config FS_FATFS_LFN
    	bool "Enable long filenames (LFN)" if \ :option:`FAT_FILESYSTEM_ELM <CONFIG_FAT_FILESYSTEM_ELM>`
    	depends on \ :option:`FAT_FILESYSTEM_ELM <CONFIG_FAT_FILESYSTEM_ELM>` && \ :option:`FILE_SYSTEM <CONFIG_FILE_SYSTEM>`
    	help
    	  Without long filenames enabled, file names are limited to 8.3 format.
    	  This option increases working buffer size.

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*