# SPDX-License-Identifier: GPL-2.0-only config NTFS3_FS tristate "NTFS Read-Write file system support" select NLS help Windows OS native file system (NTFS) support up to NTFS version 3.1. Y or M enables the NTFS3 driver with full features enabled (read, write, journal replaying, sparse/compressed files support). File system type to use on mount is "ntfs3". Module name (M option) is also "ntfs3". Documentation: config NTFS3_64BIT_CLUSTER bool "64 bits per NTFS clusters" depends on NTFS3_FS && 64BIT help Windows implementation of ntfs.sys uses 32 bits per clusters. If activated 64 bits per clusters you will be able to use 4k cluster for 16T+ volumes. Windows will not be able to mount such volumes. It is recommended to say N here. config NTFS3_LZX_XPRESS bool "activate support of external compressions lzx/xpress" depends on NTFS3_FS help In Windows 10 one can use command "compact" to compress any files. 4 possible variants of compression are: xpress4k, xpress8k, xpress16k and lzx. If activated you will be able to read such files correctly. It is recommended to say Y here. config NTFS3_FS_POSIX_ACL bool "NTFS POSIX Access Control Lists" depends on NTFS3_FS select FS_POSIX_ACL help POSIX Access Control Lists (ACLs) support additional access rights for users and groups beyond the standard owner/group/world scheme, and this option selects support for ACLs specifically for ntfs filesystems. NOTE: this is linux only feature. Windows will ignore these ACLs. If you don't know what Access Control Lists are, say N.