Messages in this thread | | | Date | Fri, 27 Aug 2004 13:43:35 +0200 | From | Gergely Tamas <> | Subject | Re: data loss in 2.6.9-rc1-mm1 |
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Hi!
> What does ls -l testfile.1 give?
$ ls -l testfile{,.1} -rw-r--r-- 1 dice users 10485760 Aug 27 13:25 testfile -rw-r--r-- 1 dice users 10481664 Aug 27 13:25 testfile.1
> What you describe actually can be correct behaviour, since the file is > all zeros.
Same test with other source file...
$ dd if=linux-2.6.8.1.tar.bz2 of=testfile bs=$((1024*1024)) count=10 10+0 records in 10+0 records out 10485760 bytes transferred in 0.061916 seconds (169354917 bytes/sec)
$ du -sb testfile 10485760 testfile
$ cat testfile > testfile.1
$ du -sb testfile.1 10481664 testfile.1
> Although yes, it seems highly improbable someone implemented an > optimization that cuts away just one of 2560 pages.
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