Mailing-List: contact cygwin-apps-help AT sourceware DOT cygnus DOT com; run by ezmlm
Sender: cygwin-apps-owner AT sourceware DOT cygnus DOT com
List-Subscribe: <mailto:cygwin-apps-subscribe AT sources DOT redhat DOT com>
List-Archive: <http://sources.redhat.com/ml/cygwin-apps/>
List-Post: <mailto:cygwin-apps AT sources DOT redhat DOT com>
List-Help: <mailto:cygwin-apps-help AT sources DOT redhat DOT com>, <http://sources.redhat.com/lists.html#faqs>
Delivered-To: mailing list cygwin-apps AT sources DOT redhat DOT com
Message-ID: <0b4e01c17533$88d11430$0200a8c0@lifelesswks>
From: "Robert Collins" <robert DOT collins AT itdomain DOT com DOT au>
To: <cygwin-apps AT sources DOT redhat DOT com>
Subject: Fw: fileutils: speeding up cp.
Date: Sun, 25 Nov 2001 09:01:13 +1100
MIME-Version: 1.0
Content-Type: text/plain;
	charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2600.0000
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000
X-OriginalArrivalTime: 24 Nov 2001 22:01:01.0951 (UTC) FILETIME=[817FE8F0:01C17533]


===
----- Original Message -----
From: "Earnie Boyd" <fearnie_boyd AT yahoo DOT com>
To: <cygwin-apps AT cygwin DOT com>
Sent: Thursday, November 22, 2001 12:18 PM
Subject: fileutils: speeding up cp.


> I've noticed that the mv command preextends the file so that all
> required bytes are preallocated.  This happens even when the mv
command
> must cp the file from one drive to another.  This doesn't happen with
cp
> itself.  I'm trying to find where in the source this happens so that I
> can supply a patch that'll cause cp to preallocate the space always.
I
> won't have much time in the next few days so if someone wants to beat
me
> to it, have at it.
>
> If you wish to test the behavior yourself, then use the floppy drive
> because of it's slowness.
>
> Earnie.
>