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

FILE_SYSTEM

(Includes any dependencies from ifs and menus.)

Defaults

No defaults. Implicitly defaults to n.

Kconfig definition

At subsys/fs/Kconfig:71

Included via Kconfig:8Kconfig.zephyr:44subsys/Kconfig:16

Menu path: (Top) → File Systems → File system support → FatFs Settings

config FS_FATFS_LFN
    bool "Enable long filenames (LFN)" if FAT_FILESYSTEM_ELM
    depends on 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.)