SUJ update

Jeff Roberson jroberson at
Tue May 4 23:36:24 UTC 2010

On Mon, 3 May 2010, Ed Maste wrote:

> On Mon, May 03, 2010 at 04:32:37PM -0700, Doug Barton wrote:
>> I also don't want to bikeshed this to death. I imagine that once the
>> feature is stable that users will just twiddle it once and then leave it
>> alone, or it will be set at install time and then not twiddled at all. :)
> Speaking of which, is there any reason for us not to support enabling SU+J
> at newfs time?  (Other than just needing a clean way to share the code
> between tunefs and newfs.)

The code is actually totally different between the two so it'll 
essentially have to be rewritten in newfs.  tunefs uses libufs and some of 
the code for manipulating directories that was added to tunefs needs to be 
moved back into libufs and made more general.  However, newfs doesn't use 
libufs anyway.  So it'd have to be converted or you'd just have to 
re-write journal creation.

For now, I think an extra step in the installer is probably easier.


> -Ed
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