svn commit: r273955 - in head: etc/rc.d share/man/man7

[Brooks Davis]

On Sun, Nov 02, 2014 at 12:11:26AM +0000, John-Mark Gurney wrote:
> Author: jmg
> Date: Sun Nov  2 00:11:25 2014
> New Revision: 273955
> URL: https://svnweb.freebsd.org/changeset/base/273955
> 
> Log:
>   add an rc.d script to automatically grow the specified FS...  It has
>   been tested on both MBR and GPT...  It won't be enabled until you add
>   growfs_enable="YES" and will only run on first boot..

Nice.  I've been wanting something like this for our boards.  A few
comments:

 - It looks like the current script doesn't support specifying a file
   system and just finds the root dev.  As a practical matter being able
   to specify one probably isn't useful without doing the work to extend
   the last partition on a device, but I could see cases where /usr or the
   like is on removable media an / is an mdroot or otherwise on fixed size
   storage.
 - Being able to specify a size would be useful.  For example, I might want
   to growfs to 2GB by default and expand to the media size later if
   warranted.
 - A configurable delay during which ^C causes growfs to be skipped would
   be useful when testing an image.  Growfs on large or very slow media is
   something I'd like to be able to avoid when I'm just testing.
 - The shell lines should probably use tab for indentation to match system
   style and the awk bits.

-- Brooks
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