Messages in this thread |  | | Date | Wed, 29 Nov 2000 08:00:19 -0500 (EST) | From | Adam <> |
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Is this feature or bug?
First a test on 'stable' 2.2.x kernel:
eax /tmp % uname -a Linux eax 2.2.17pre15 #1 Sat Aug 5 14:31:19 EDT 2000 i586 unknown
eax /tmp % dd if=/dev/zero of=holed.file bs=1000 seek=5000 count=1000 1000+0 records in 1000+0 records out
eax /tmp % ls -l holed.file -rw-rw-r-- 1 adam adam 6000000 Nov 29 08:57 holed.file
eax /tmp % du -sh holed.file 983k holed.file
Above holey file is as expected aproximately 1mb. 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
The holey file is twice as big,
at almost 2mb instead of expected 1mb.
-- Adam http://www.eax.com The Supreme Headquarters of the 32 bit registers
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