linux-ext4 - Re: [PATCH RFC 00/30] Ext4 snapshots

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Message-ID: <4DEE2EB6.2050901@redhat.com>
Date:	Tue, 07 Jun 2011 09:59:18 -0400
From:	Ric Wheeler <rwheeler@...hat.com>
To:	"Ted Ts'o" <tytso@....edu>
CC:	Lukas Czerner <lczerner@...hat.com>,
	Eric Sandeen <sandeen@...hat.com>,
	"Amir G." <amir73il@...rs.sourceforge.net>,
	linux-ext4@...r.kernel.org
Subject: Re: [PATCH RFC 00/30] Ext4 snapshots - core patches

On 06/06/2011 04:40 PM, Ted Ts'o wrote:
> On Mon, Jun 06, 2011 at 06:05:24PM +0200, Lukas Czerner wrote:
>> Well, we can also start ditching some unused features and tunnables, or
>> make it default and remove it from documentation so people will not use
>> it and we can get rid of some of the options in the future. For examle
>>
>> orlov
>> oldalloc
>> bsddf
>> minixdf
> I tried deprecated bsddf/minixdf, and got a complaint from a user who
> said they were using it.  Linus's rule is, "though shalt not break
> backwards compatibility", so I have up on it.  Realistically, the
> difference between these two is so small it's not really a big deal.
>
> Dropping the old allocator is probably a good idea at this point.  I
> very much doubt anyone is using it.
>
> 					- Ted
>

Can we argue that the user base that uses these ancient options can simply 
continue to use them in ext3 and use that fig leaf to kill them in ext4 going 
forwards?

Ric


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