Re: growfs(8) for NetBSD

[Stephen Borrill <netbsd%precedence.co.uk@localhost>]

On Fri, 28 Mar 2008, Juan RP wrote:
> I've just adapted growfs(8) from OpenBSD (they adapted the FreeBSD code),
> which is able to grow FFSv1 and FFSv2 filesystems.
>
> I tested growing a partition in FFSv1 and FFSv2 from 1GB to 4GB and the
> process was smooth (and fast); after this I ran 'fsck_ffs -yf /fs' and it
> found one error that was fixed correctly.
>
> I didn't find any error, so I'd think it should be safe to use it
> everywhere. Also please note that I only tried it on i386, perhaps it needs
> changes for BE and/or LP64 archs.
>
> http://www.netbsd.org/~xtraeme/growfs-20080328.tar.gz
>
> Please review and/or test it, thanks!

I've not tested it yet, but it appears that the -y flag (expert mode) 
doesn't quite behave as documented as it doesn't check that the filesystem 
is not mounted (but it does check for an active snapshot which isn't 
documented either).

--
Stephen