On 14/04/11 18:27, Jim Meyering wrote:
>
> FYI, I see the same failure now using ext3 (and but not w/ext4)
> with rawhide's 2.6.39-0.rc2.git0.0.fc16.x86_64:
>
> + df -t ext3 .
Not with ext3 ...
> + mkfs -t ext4 -F blob
... but with ext4 loop back
> + perl -e 'BEGIN { $n = 1 * 1024; *F = *STDOUT }' -e 'for (1..1) { sysseek (*F, $n, 1)' -e '&& syswrite (*F, chr($_)x$n) or die "$!"}'
> + cp --sparse=always j1 j2
> + cmp j1 j2
> j1 j2 differ: char 1, line 1 <<<<================
But there was no preallocation done above.
So this was the original sync issue, which doesn't seem to be working :(
Is there a chance the rawhide kernel hasn't included that change?
Unlikely as it's 2.6.39-rc2.
cheers,
Pádraig.
p.s. I will do some checking with ext3 to ensure everything is OK
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