RE: [PATCH v17 08/10] fs/ntfs3: Add Kconfig, Makefile and doc

[Konstantin Komarov <almaz.alexandrovich@paragon-software.com>]

From: Kari Argillander <kari.argillander@gmail.com>
Sent: Monday, January 4, 2021 1:08 AM
> To: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
> Cc: linux-fsdevel@vger.kernel.org; viro@zeniv.linux.org.uk; linux-kernel@vger.kernel.org; pali@kernel.org; dsterba@suse.cz;
> aaptel@suse.com; willy@infradead.org; rdunlap@infradead.org; joe@perches.com; mark@harmstone.com; nborisov@suse.com;
> linux-ntfs-dev@lists.sourceforge.net; anton@tuxera.com; dan.carpenter@oracle.com; hch@lst.de; ebiggers@kernel.org;
> andy.lavr@gmail.com
> Subject: Re: [PATCH v17 08/10] fs/ntfs3: Add Kconfig, Makefile and doc
> 
> On Thu, Dec 31, 2020 at 06:23:59PM +0300, Konstantin Komarov wrote:
> > This adds Kconfig, Makefile and doc
> >
> > Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
> > ---
> >  Documentation/filesystems/ntfs3.rst | 107 ++++++++++++++++++++++++++++
> >  fs/ntfs3/Kconfig                    |  41 +++++++++++
> >  fs/ntfs3/Makefile                   |  31 ++++++++
> 
> Also Documentation/filesystems/index.rst should contain ntfs3.
> 
> >  3 files changed, 179 insertions(+)
> >  create mode 100644 Documentation/filesystems/ntfs3.rst
> >  create mode 100644 fs/ntfs3/Kconfig
> >  create mode 100644 fs/ntfs3/Makefile
> >
> 
> > diff --git a/fs/ntfs3/Kconfig b/fs/ntfs3/Kconfig
> > new file mode 100644
> > index 000000000000..f9b732f4a5a0
> > --- /dev/null
> > +++ b/fs/ntfs3/Kconfig
> > @@ -0,0 +1,41 @@
> > +# 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: <file:Documentation/filesystems/ntfs3.rst>
> > +
> > +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, xpress16 and lzx.
> > +	  To read such "compacted" files say Y here.
> 
> It would be nice that we tell what is recommend. I think that this is recommend.
> Of course if this use lot's of resource that is different story but I do not
> think that is the case.
> 
> > +
> > +config NTFS3_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.
> 
> Same here. Let's suggest what user should do. Is this recommend if we wan't
> to use volume also in Windows?

Hi! All done, thanks for pointing these out.