diff options
Diffstat (limited to 'fs/fat/Kconfig')
| -rw-r--r-- | fs/fat/Kconfig | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/fs/fat/Kconfig b/fs/fat/Kconfig index 3ff1772f612e..ca5c78bda750 100644 --- a/fs/fat/Kconfig +++ b/fs/fat/Kconfig @@ -74,6 +74,27 @@ config VFAT_FS To compile this as a module, choose M here: the module will be called vfat. +config VFAT_FS_NO_DUALNAMES + bool "disable VFAT dual names support (patent workaround)" + depends on VFAT_FS + help + This option disables support for dual filenames on VFAT filesystems. + If this option is enabled then file creation will either put + a short (8.3) name or a long name on the file, but never both. + The field where a shortname would normally go is filled with + invalid characters such that it cannot be considered a valid + short filename. + + That means that long filenames created with this option + disabled will not be accessible at all to operating systems + that do not understand the FAT long filename extensions. + + Users considering disabling this option should consider the + implications of any patents that may exist on dual filenames + in VFAT. + + If unsure, say N + config FAT_DEFAULT_CODEPAGE int "Default codepage for FAT" depends on MSDOS_FS || VFAT_FS @@ -100,6 +121,17 @@ config FAT_DEFAULT_IOCHARSET Enable any character sets you need in File Systems/Native Language Support. +config VFAT_NO_CREATE_WITH_LONGNAMES + bool "Disable creating files with long names" + depends on VFAT_FS + default n + help + Set this to disable support for creating files or directories with + names longer than 8.3 (the original DOS maximum file name length) + e.g. naming a file FILE1234.TXT would be allowed but creating or + renaming a file to FILE12345.TXT or FILE1234.TEXT would not + be permitted. Reading files with long file names is still permitted. + config FAT_DEFAULT_UTF8 bool "Enable FAT UTF-8 option by default" depends on VFAT_FS |