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Date: Wed, 29 Nov 2000 13:07:01 +0000 (GMT)
From: Tigran Aivazian <tigran@veritas.com>
To: Adam <adam@cfar.umd.edu>
cc: linux-kernel@vger.kernel.org
Subject: Re: 'holey files' not holey enough.
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On Wed, 29 Nov 2000, Adam wrote:
> However, when I try on 'development' 2.4.x kernel
> 
> 	[adam@pepsi /tmp]$ uname -a
> 	Linux pepsi 2.4.0-test7-packet #24 SMP Fri Sep 8 20:26:35 EDT 2000 i686
> 
> 	[adam@pepsi /tmp]$  dd if=/dev/zero of=holed.file bs=1000 seek=5000 count=1000
> 	1000+0 records in
> 	1000+0 records out
> 
> 	[adam@pepsi /tmp]$ ls -l holed.file 
> 	-rw-rw-r--    1 adam     adam      6000000 Nov 29 08:52 holed.file
> 
> 	[adam@pepsi /tmp]$ du -sh holed.file 
> 	1.9M    holed.file
> 

what filesystem type? on ext2 filesystem on 2.4.0-test12-pre3 I get
expected result:

# dd if=/dev/zero of=hole bs=1000 seek=5000 count=1000
1000+0 records in
1000+0 records out
# l hole
-rw-r--r--    1 root     root      6000000 Nov 29 13:06 hole
# du -sh hole
988k    hole
# u
Linux penguin 2.4.0-test12 #1 Wed Nov 29 09:08:13 GMT 2000 i686 unknown

Regards,
Tigran

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