xref: /linux/fs/ntfs3/Kconfig (revision 9636e650e16f6b01f0044f7662074958c23e4707)
112dad495SKonstantin Komarov# SPDX-License-Identifier: GPL-2.0-only
212dad495SKonstantin Komarovconfig NTFS3_FS
312dad495SKonstantin Komarov	tristate "NTFS Read-Write file system support"
412dad495SKonstantin Komarov	select NLS
5*9636e650SChristoph Hellwig	select LEGACY_DIRECT_IO
612dad495SKonstantin Komarov	help
712dad495SKonstantin Komarov	  Windows OS native file system (NTFS) support up to NTFS version 3.1.
812dad495SKonstantin Komarov
912dad495SKonstantin Komarov	  Y or M enables the NTFS3 driver with full features enabled (read,
1012dad495SKonstantin Komarov	  write, journal replaying, sparse/compressed files support).
1112dad495SKonstantin Komarov	  File system type to use on mount is "ntfs3". Module name (M option)
1212dad495SKonstantin Komarov	  is also "ntfs3".
1312dad495SKonstantin Komarov
1412dad495SKonstantin Komarov	  Documentation: <file:Documentation/filesystems/ntfs3.rst>
1512dad495SKonstantin Komarov
1612dad495SKonstantin Komarovconfig NTFS3_64BIT_CLUSTER
1712dad495SKonstantin Komarov	bool "64 bits per NTFS clusters"
1812dad495SKonstantin Komarov	depends on NTFS3_FS && 64BIT
1912dad495SKonstantin Komarov	help
2012dad495SKonstantin Komarov	  Windows implementation of ntfs.sys uses 32 bits per clusters.
2112dad495SKonstantin Komarov	  If activated 64 bits per clusters you will be able to use 4k cluster
2212dad495SKonstantin Komarov	  for 16T+ volumes. Windows will not be able to mount such volumes.
2312dad495SKonstantin Komarov
2412dad495SKonstantin Komarov	  It is recommended to say N here.
2512dad495SKonstantin Komarov
2612dad495SKonstantin Komarovconfig NTFS3_LZX_XPRESS
2712dad495SKonstantin Komarov	bool "activate support of external compressions lzx/xpress"
2812dad495SKonstantin Komarov	depends on NTFS3_FS
2912dad495SKonstantin Komarov	help
3012dad495SKonstantin Komarov	  In Windows 10 one can use command "compact" to compress any files.
3112dad495SKonstantin Komarov	  4 possible variants of compression are: xpress4k, xpress8k, xpress16k and lzx.
3212dad495SKonstantin Komarov	  If activated you will be able to read such files correctly.
3312dad495SKonstantin Komarov
3412dad495SKonstantin Komarov	  It is recommended to say Y here.
3512dad495SKonstantin Komarov
3612dad495SKonstantin Komarovconfig NTFS3_FS_POSIX_ACL
3712dad495SKonstantin Komarov	bool "NTFS POSIX Access Control Lists"
3812dad495SKonstantin Komarov	depends on NTFS3_FS
3912dad495SKonstantin Komarov	select FS_POSIX_ACL
4012dad495SKonstantin Komarov	help
4112dad495SKonstantin Komarov	  POSIX Access Control Lists (ACLs) support additional access rights
4212dad495SKonstantin Komarov	  for users and groups beyond the standard owner/group/world scheme,
4312dad495SKonstantin Komarov	  and this option selects support for ACLs specifically for ntfs
4412dad495SKonstantin Komarov	  filesystems.
4512dad495SKonstantin Komarov	  NOTE: this is linux only feature. Windows will ignore these ACLs.
4612dad495SKonstantin Komarov
4712dad495SKonstantin Komarov	  If you don't know what Access Control Lists are, say N.
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