Re: Google SoC Proposal Ideas

[Andrew Doran <ad%netbsd.org@localhost>]

On Tue, Mar 24, 2009 at 08:42:15AM +0100, Adam Hamsik wrote:

> 
> On Mar,Tuesday 24 2009, at 1:39 AM, cberardi%natoufa.com@localhost wrote:
> 
> >Thank you all for your feedback.
> >
> >The resize_ffs project is very intriguing to me. This one and the  
> >BSD reimplementation of diff/diff3 are at the top of my short list.
> >
> >For the resizer, for my project, the first goal would be to write  
> >the regression test suite and do a code review so that I can have a  
> >"state of the utility" report. After I know where I stand there, I  
> >can better map where to go next. But the first report on where the  
> >utility is would be the first goal/milestone.
> >
> >I noticed that OpenBSD appears to have a BSD diff in their tree. Is  
> >there a reason that it isn't also in the NetBSD tree (not featureful  
> >enough, unknown, etc.?)?
> >
> >For the diff/diff3 project I propose, it would be a more-or-less  
> >feature for feature reimplementation of GNU diff under a BSD  
> >license. The first goal/milestone would be to just have it do a  
> >basic comparision of two files and after that start implementing  
> >options and features, starting with the more common options. A set  
> >of very common and useful features (such as -u) being implemented  
> >would be a second goal/milestone.
> >
> >
> >On Sun, Mar 22, 2009 at 08:24:00PM +0000, Alistair Crooks wrote:
> >>I don't think that having to unmount a file system, resize it, and
> >>mount it again is viable these days - we need file systems that can
> >>grow and shrink whilst still mounted.
> >>
> >>Regards,
> >>Alistair
> >
> >Are you saying that the resizer utility needs to eventually to be  
> >able to resize the filesystem while it is 'live' or that the  
> >filesystem itself needs to first support this?
> 
> I think that Alistair meant both cases there must be some support for  
> file-system resizing
> in file-system it self and resize_ffs tool must support that, too. I  
> would say that we want
> 
> 'live' growing
> 'unmounted' shrinking
> 
> But easy useable filesystem growing is priority from my POV.

ZFS?