Code review comment for ~redriver/cloud-init:frbsd-azure-branch

> Hi,
>
> I have been doing some testing on FreeBSD.
>
> The current growpart seems to work fine with FreeBSD 11.0 with GPT/UFS - the
> partition gets resized. The issue is with filesystem resize in resizefs. Its a
> simple fix, before you can modify the MBR you must first set
> kern.geom.debugflags=16, then when calling growfs you must pass the '-y' flag.
> You should then set debugflags back to it's original value.
>
> Basically this, I did a quick hack to test and seems ok:
>
> current_debugflags = sysctl -n kern.geom.debugflags
> sysctl kern.geom.debugflags=16
> growfs -y /dev/vtbd0p2
> sysctl kern.geom.debugflags=current_debugflags
My problem is growfs always reports error since the disk is already full expanded.

# growfs -y /dev/da0p2
growfs: requested size 28GB is not larger than the current filesystem size 28GB
# echo $?
1

My disk is formatted to be UFS:
# gpart show
=> 40 62914480 da0 GPT (30G)
        40 1024 1 freebsd-boot (512K)
      1064 58719232 2 freebsd-ufs (28G)
  58720296 3145728 3 freebsd-swap (1.5G)
  61866024 1048496 - free - (512M)

=> 63 146800577 da1 MBR (70G)
         63 1985 - free - (993K)
       2048 146796544 1 ntfs (70G)
  146798592 2048 - free - (1.0M)