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Date: Sat, 16 Aug 2003 10:39:42 +0930
From: Greg 'groggy' Lehey <grog@FreeBSD.org>
To: Poul-Henning Kamp <phk@FreeBSD.org>
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Subject: Re: cvs commit: src/sys/nfsclient bootp_subr.c nfs_diskless.c
	nfs_vfsops.c nfsdiskless.h
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On Friday, 15 August 2003 at  5:04:02 -0700, Poul-Henning Kamp wrote:
> phk         2003/08/15 05:04:02 PDT
>
>   FreeBSD src repository
>
>   Modified files:
>     sys/nfsclient        bootp_subr.c nfs_diskless.c nfs_vfsops.c
>                          nfsdiskless.h
>   Log:
>   Remove the magic way of configuring NFS backed swap.
>
>   This code dates back to the very first diskless support on FreeBSD,
>   back when swapon(8) couldn't simply be run on a NFS backed file.
>
>   Suggested replacement command sequence on the client:
>
>           dd if=/dev/zero of=/swapfile bs=1k count=1 oseek=100000
>           swapon /swapfile
>           rm -f /swapfile
>
>   For whatever value of 100000 you want.

I'm confused.  Why was this necessary?  Which is the "magic" way?  Is
the rm -f /swapfile really necessary, or just a foot guard?

Greg
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