1# SPDX-License-Identifier: GPL-2.0-only
 2config NTFS3_FS
 3	tristate "NTFS Read-Write file system support"
 4	select BUFFER_HEAD
 5	select NLS
 6	select LEGACY_DIRECT_IO
 7	help
 8	  Windows OS native file system (NTFS) support up to NTFS version 3.1.
 9
10	  Y or M enables the NTFS3 driver with full features enabled (read,
11	  write, journal replaying, sparse/compressed files support).
12	  File system type to use on mount is "ntfs3". Module name (M option)
13	  is also "ntfs3".
14
15	  Documentation: <file:Documentation/filesystems/ntfs3.rst>
16
17config NTFS3_64BIT_CLUSTER
18	bool "64 bits per NTFS clusters"
19	depends on NTFS3_FS && 64BIT
20	help
21	  Windows implementation of ntfs.sys uses 32 bits per clusters.
22	  If activated 64 bits per clusters you will be able to use 4k cluster
23	  for 16T+ volumes. Windows will not be able to mount such volumes.
24
25	  It is recommended to say N here.
26
27config NTFS3_LZX_XPRESS
28	bool "activate support of external compressions lzx/xpress"
29	depends on NTFS3_FS
30	help
31	  In Windows 10 one can use command "compact" to compress any files.
32	  4 possible variants of compression are: xpress4k, xpress8k, xpress16k and lzx.
33	  If activated you will be able to read such files correctly.
34
35	  It is recommended to say Y here.
36
37config NTFS3_FS_POSIX_ACL
38	bool "NTFS POSIX Access Control Lists"
39	depends on NTFS3_FS
40	select FS_POSIX_ACL
41	help
42	  POSIX Access Control Lists (ACLs) support additional access rights
43	  for users and groups beyond the standard owner/group/world scheme,
44	  and this option selects support for ACLs specifically for ntfs
45	  filesystems.
46	  NOTE: this is linux only feature. Windows will ignore these ACLs.
47
48	  If you don't know what Access Control Lists are, say N.