RE: [PATCH] fs: NTFS read-write driver GPL implementation by Paragon Software.

2020-08-20 Thread Konstantin Komarov
> From: David Sterba > Sent: Friday, August 14, 2020 4:41 PM > On Fri, Aug 14, 2020 at 12:29:01PM +, Konstantin Komarov wrote: > > This patch adds NTFS Read-Write driver to fs/ntfs3. > > > > Having decades of expertise in commercial file systems development and huge > > test coverage, we at Pa

RE: [PATCH] fs: NTFS read-write driver GPL implementation by Paragon Software.

2020-08-20 Thread Konstantin Komarov
From: David Sterba Sent: Friday, August 14, 2020 4:41 PM > In case somebody wants to compile it, this fixup is needed to let 'make > fs/ntfs3/' actually work, besides enabling it in the config. > > diff --git a/fs/Makefile b/fs/Makefile > index 1c7b0e3f6daa..b0b4ad8affa0 100644 > --- a/fs/Makefil

RE: [PATCH] fs: NTFS read-write driver GPL implementation by Paragon Software.

2020-08-20 Thread Konstantin Komarov
From: David Sterba Sent: Saturday, August 15, 2020 10:07 PM > > 1. check existing support in kernel > > There is fs/ntfs with read-only support from Tuxera, last change in the > git tree is 3 years ago. The driver lacks read-write support so there's > not 100% functionality duplication but there

RE: [PATCH] fs: NTFS read-write driver GPL implementation by Paragon Software.

2020-08-20 Thread Konstantin Komarov
From: Aurélien Aptel Sent: Friday, August 14, 2020 6:30 PM > I've tried this using libntfs-3g mkfs.ntfs > > # mkfs.ntfs /dev/vb1 > # mount -t ntfs3 /dev/vb1 /mnt > > This already triggered UBSAN: > Then I've tried to copy /etc into it: > ... > # cp -rp /etc /mnt > > But this triggered a NULL pt

RE: [PATCH] fs: NTFS read-write driver GPL implementation by Paragon Software.

2020-08-20 Thread Konstantin Komarov
From: Aurélien Aptel Sent: Friday, August 14, 2020 5:09 PM > > Hi Konstantin, > > That's cool :) As Nikolay said it needs a little change to the makefiles > to even build. > > Are you also going to publish your own mkfs.ntfs3 tool? I dont think the > existing one would support 64k clusters. Hi

Re: [PATCH] fs: NTFS read-write driver GPL implementation by Paragon Software.

2020-08-16 Thread Pali Rohár
On Friday 14 August 2020 12:29:01 Konstantin Komarov wrote: > This patch adds NTFS Read-Write driver to fs/ntfs3. > > Having decades of expertise in commercial file systems development and huge > test coverage, we at Paragon Software GmbH want to make our contribution to > the Open Source Communit

Re: [PATCH] fs: NTFS read-write driver GPL implementation by Paragon Software.

2020-08-15 Thread Matthew Wilcox
On Sat, Aug 15, 2020 at 09:06:42PM +0200, David Sterba wrote: > There's maybe more I missed, but hopefully HTH. One thing you missed is adding support to fstests git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git If it passes that torture test, I think we can have confidence that this is a real

Re: [PATCH] fs: NTFS read-write driver GPL implementation by Paragon Software.

2020-08-15 Thread David Sterba
On Fri, Aug 14, 2020 at 12:29:01PM +, Konstantin Komarov wrote: > This patch adds NTFS Read-Write driver to fs/ntfs3. > > Having decades of expertise in commercial file systems development and huge > test coverage, we at Paragon Software GmbH want to make our contribution to > the Open Source

Re: [PATCH] fs: NTFS read-write driver GPL implementation by Paragon Software.

2020-08-14 Thread Aurélien Aptel
I've tried this using libntfs-3g mkfs.ntfs # mkfs.ntfs /dev/vb1 # mount -t ntfs3 /dev/vb1 /mnt This already triggered UBSAN: UBSAN: object-size-mismatch in fs/ntfs3/super.c:834:16 load of address 6ae096b

Re: [PATCH] fs: NTFS read-write driver GPL implementation by Paragon Software.

2020-08-14 Thread Aurélien Aptel
Hi Konstantin, That's cool :) As Nikolay said it needs a little change to the makefiles to even build. Are you also going to publish your own mkfs.ntfs3 tool? I dont think the existing one would support 64k clusters. I would recommend to run checkpatch (I see already 87 warnings... some of it is

Re: [PATCH] fs: NTFS read-write driver GPL implementation by Paragon Software.

2020-08-14 Thread David Sterba
On Fri, Aug 14, 2020 at 12:29:01PM +, Konstantin Komarov wrote: > This patch adds NTFS Read-Write driver to fs/ntfs3. > > Having decades of expertise in commercial file systems development and huge > test coverage, we at Paragon Software GmbH want to make our contribution to > the Open Source

Re: [PATCH] fs: NTFS read-write driver GPL implementation by Paragon Software.

2020-08-14 Thread Nikolay Borisov
On 14.08.20 г. 15:29 ч., Konstantin Komarov wrote: > This patch adds NTFS Read-Write driver to fs/ntfs3. > > Having decades of expertise in commercial file systems development and huge > test coverage, we at Paragon Software GmbH want to make our contribution to > the Open Source Community by p

[PATCH] fs: NTFS read-write driver GPL implementation by Paragon Software.

2020-08-14 Thread Konstantin Komarov
This patch adds NTFS Read-Write driver to fs/ntfs3. Having decades of expertise in commercial file systems development and huge test coverage, we at Paragon Software GmbH want to make our contribution to the Open Source Community by providing implementation of NTFS Read-Write driver for the Linux