Re: Quota patches

From: Jan Kara (jack@suse.cz)
Date: Fri May 24 2002 - 09:58:17 EST


  Hi all,
  
> On Thu, May 23, 2002 at 10:03:50AM -0700, Linus Torvalds wrote:
> >
> > On Thu, 23 May 2002, Jan Kara wrote:
> > > ... . If he has newer tools
> > > (<3.05) he has to decide depending on format he wants to use...
> ^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> > This makes me pretty certain we just do not want to have the backwards-
> > compatibility layer in 2.5.x
> >
> > Are there _any_ reasons to use the old stuff, if the fix is just to
> > upgrade to a newer quota tool?
>
> Moving to newer interfaces implies use of the new ondisk format
> for the quota files (exclusively) - I'd imagine that's the main
> reason behind providing a choice. Whether or not that reason is
> sufficently compelling though... dunno. If one wanted to be able
> to switch between booting either 2.4 (unpatched) and 2.5+, and
> also maintain quota information on filestystems, then the choice
> would be useful in that situation.
  Latest quota interface is able to handle both formats together
(structures passed throught Q_GETQUOTA, Q_SETQUOTA,... are independent
of quota format and Q_QUOTAON takes as an argument in 'id' the quota format
number). So if user wants to stay at old format he can...
  So I think Linus is right here that there's no real reason for keeping
compatibility code in 2.5... Linus, I'll send you the patch which kicks
out the compatibility stuff.

                                                                Honza

-- 
Jan Kara <jack@suse.cz>
SuSE CR Labs
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