linux-kernel - Re: Volunteering for BeFS maintainership

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Message-ID: <5798C7B4.8090607@osg.samsung.com>
Date:	Wed, 27 Jul 2016 15:39:48 +0100
From:	Luis de Bethencourt <luisbg@....samsung.com>
To:	Theodore Ts'o <tytso@....edu>,
	Greg KH <gregkh@...uxfoundation.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Al Viro <viro@...IV.linux.org.uk>,
	Salah Triki <salah.triki@....org>,
	Javier Martinez Canillas <javier@....samsung.com>,
	Richard Weinberger <richard@....at>,
	linux-fsdevel@...r.kernel.org
Subject: Re: Volunteering for BeFS maintainership

On 27/07/16 14:23, Theodore Ts'o wrote:
> On Wed, Jul 27, 2016 at 12:45:36PM +0100, Luis de Bethencourt wrote:
>> Support for BeFS in Linux is read-only. So there are no tools to create
>> BeFS file systems. I have a bunch of BeFS images created from Haiku OS
>> that cover most things.
> 
> Ah, well, pretty much all of the xfstests assume the ability to write
> into the file system.  So it may be a while before using xfstests will
> make sense for BeFS.
> 
>> There is no reason a consistency check tool can't be written. I think this
>> could be a fun exercise, I am tempted to add it to my task list :)
>> However this tool can only inform if the file system is consistent, and not
>> really fix it.  Similar to "e2fsck -n".
> 
> That's all which is necessary for xfstests --- the idea is that the
> test will make various changes to the file system, and then
> correctness is checked both by whether the expected output is printed
> as the test probes changed the file system state, and by the
> consistency checker confirming that the file system is in a consistent
> sane state after each test completes.
> 

Right. It will still be valuable for me to run xfstests for ext4 and btrfs.

Thanks for the advice.

>> Salah told me he is planning to slowly work on adding read support in the
>> future. But don't want to make any promises/plans on his behalf.
> 
> I assume you mean write support in the above paragraph.  :-)
> 

You assume correctly :) Sorry for the typo.

> Cheers,
> 
> 						- Ted
> 

Thanks,
Luis