[TEST/REVIEW] boot0cfg/fdisk issue fix

[Wilkinson, Alex]

    0n Sat, Jul 09, 2005 at 03:46:12PM +0200, Poul-Henning Kamp wrote: 

    >In message <200507090932.12973.jhb at FreeBSD.org>, John Baldwin writes:
    >>On Tuesday 05 July 2005 04:44 pm, Poul-Henning Kamp wrote:
    >>> This is an attempt to fix an boot0cfg/fdisk issue which I have
    >>> overlooked.
    >>>
    >>> The patch adds a g_ctl method to geom_mbr and makes boot0cfg and
    >>> fdisk use it to modify the MBR if possible.
    >>>
    >>> Please test and report ASAP in order to get this solution into
    >>> RELENG_6
    >>
    >>Only thing I noted is that it seems that you changed boot0 to always only 
    >>write 512 bytes which means it will break trying to use boot0cfg to install 
    >>boot0ext (which is 2 sectors).  Perhaps you should check the filesize of the 
    >>boot you are writing and if it's > 512, write the other data with a write(2) 
    >>after the g_ctl()?  Perhaps I don't see quite understand what your g_ctl() is 
    >>doing though.
    >
    >Damn, didn't think of that...

what is boot0ext ?

 - aW