linux-kernel - Re: [PATCH v11 00/10] NTFS read-write driver GPL implementation by Paragon Software

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Message-ID: <20201030164122.vuao3avogggnk42q@pali>
Date:   Fri, 30 Oct 2020 17:41:22 +0100
From:   Pali Rohár <pali@...nel.org>
To:     Konstantin Komarov <almaz.alexandrovich@...agon-software.com>,
        Christoph Hellwig <hch@....de>
Cc:     linux-fsdevel@...r.kernel.org, viro@...iv.linux.org.uk,
        linux-kernel@...r.kernel.org, dsterba@...e.cz, aaptel@...e.com,
        willy@...radead.org, rdunlap@...radead.org, joe@...ches.com,
        mark@...mstone.com, nborisov@...e.com,
        linux-ntfs-dev@...ts.sourceforge.net, anton@...era.com
Subject: Re: [PATCH v11 00/10] NTFS read-write driver GPL implementation by
 Paragon Software

Hello!

On Friday 30 October 2020 18:02:29 Konstantin Komarov wrote:
>  27 files changed, 28364 insertions(+)
>  create mode 100644 Documentation/filesystems/ntfs3.rst
>  create mode 100644 fs/ntfs3/Kconfig
>  create mode 100644 fs/ntfs3/Makefile
>  create mode 100644 fs/ntfs3/attrib.c
>  create mode 100644 fs/ntfs3/attrlist.c
>  create mode 100644 fs/ntfs3/bitfunc.c
>  create mode 100644 fs/ntfs3/bitmap.c
>  create mode 100644 fs/ntfs3/debug.h
>  create mode 100644 fs/ntfs3/dir.c
>  create mode 100644 fs/ntfs3/file.c
>  create mode 100644 fs/ntfs3/frecord.c
>  create mode 100644 fs/ntfs3/fslog.c
>  create mode 100644 fs/ntfs3/fsntfs.c
>  create mode 100644 fs/ntfs3/index.c
>  create mode 100644 fs/ntfs3/inode.c
>  create mode 100644 fs/ntfs3/lznt.c
>  create mode 100644 fs/ntfs3/namei.c
>  create mode 100644 fs/ntfs3/ntfs.h
>  create mode 100644 fs/ntfs3/ntfs_fs.h
>  create mode 100644 fs/ntfs3/record.c
>  create mode 100644 fs/ntfs3/run.c
>  create mode 100644 fs/ntfs3/super.c
>  create mode 100644 fs/ntfs3/upcase.c
>  create mode 100644 fs/ntfs3/xattr.c

I would like to open discussion about two ntfs kernel drivers. Do we
really need two drivers (one read only - current version and one
read/write - this new version)?

What other people think?

I remember that Christoph (added to loop) had in past a good argument
about old staging exfat driver (it had support also for fat32/vfat),
that it would cause problems if two filesystem drivers would provide
support for same filesystem.