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Date: Thu, 12 Jan 2012 19:11:54 -0800
Message-ID: <CAGH67wTFy_2JAGOX=VmUx2KRmFcRrv8aaE3H4EkiqcOxmk09Hw@mail.gmail.com>
From: Garrett Cooper <yanegomi@gmail.com>
To: Doug Barton <dougb@freebsd.org>
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Cc: Andre Goree <andre@drenet.info>, freebsd-stable@freebsd.org,
	Rob Clark <rpclark@tds.net>
Subject: Re: GENERIC make buildkernel error / fails - posix_fadvise
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On Thu, Jan 12, 2012 at 5:52 PM, Doug Barton <dougb@freebsd.org> wrote:
>
>>> chflags -R noschg /usr/obj/usr
>>> rm -rf /usr/obj/usr
>
> It's much faster to do:
>
> /bin/rm -rf ${obj}/* 2> /dev/null || /bin/chflags -R 0 ${obj}/* &&
> /bin/rm -rf ${obj}/*

+1. And it's faster yet when you can run parallel copies of rm on
different portions of the directory tree (e.g. xargs, find [..] -exec)
as rm is O(n).
Cheers,
-Garrett