162306a36Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0-only 262306a36Sopenharmony_ciconfig NTFS3_FS 362306a36Sopenharmony_ci tristate "NTFS Read-Write file system support" 462306a36Sopenharmony_ci select BUFFER_HEAD 562306a36Sopenharmony_ci select NLS 662306a36Sopenharmony_ci select LEGACY_DIRECT_IO 762306a36Sopenharmony_ci help 862306a36Sopenharmony_ci Windows OS native file system (NTFS) support up to NTFS version 3.1. 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ci Y or M enables the NTFS3 driver with full features enabled (read, 1162306a36Sopenharmony_ci write, journal replaying, sparse/compressed files support). 1262306a36Sopenharmony_ci File system type to use on mount is "ntfs3". Module name (M option) 1362306a36Sopenharmony_ci is also "ntfs3". 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ci Documentation: <file:Documentation/filesystems/ntfs3.rst> 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ciconfig NTFS3_64BIT_CLUSTER 1862306a36Sopenharmony_ci bool "64 bits per NTFS clusters" 1962306a36Sopenharmony_ci depends on NTFS3_FS && 64BIT 2062306a36Sopenharmony_ci help 2162306a36Sopenharmony_ci Windows implementation of ntfs.sys uses 32 bits per clusters. 2262306a36Sopenharmony_ci If activated 64 bits per clusters you will be able to use 4k cluster 2362306a36Sopenharmony_ci for 16T+ volumes. Windows will not be able to mount such volumes. 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ci It is recommended to say N here. 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_ciconfig NTFS3_LZX_XPRESS 2862306a36Sopenharmony_ci bool "activate support of external compressions lzx/xpress" 2962306a36Sopenharmony_ci depends on NTFS3_FS 3062306a36Sopenharmony_ci help 3162306a36Sopenharmony_ci In Windows 10 one can use command "compact" to compress any files. 3262306a36Sopenharmony_ci 4 possible variants of compression are: xpress4k, xpress8k, xpress16k and lzx. 3362306a36Sopenharmony_ci If activated you will be able to read such files correctly. 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ci It is recommended to say Y here. 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_ciconfig NTFS3_FS_POSIX_ACL 3862306a36Sopenharmony_ci bool "NTFS POSIX Access Control Lists" 3962306a36Sopenharmony_ci depends on NTFS3_FS 4062306a36Sopenharmony_ci select FS_POSIX_ACL 4162306a36Sopenharmony_ci help 4262306a36Sopenharmony_ci POSIX Access Control Lists (ACLs) support additional access rights 4362306a36Sopenharmony_ci for users and groups beyond the standard owner/group/world scheme, 4462306a36Sopenharmony_ci and this option selects support for ACLs specifically for ntfs 4562306a36Sopenharmony_ci filesystems. 4662306a36Sopenharmony_ci NOTE: this is linux only feature. Windows will ignore these ACLs. 4762306a36Sopenharmony_ci 4862306a36Sopenharmony_ci If you don't know what Access Control Lists are, say N. 49