On Monday June 19, [EMAIL PROTECTED] wrote:
> Neil hello
> 
> if i am not mistaken here:
> 
> in first instance of :   if(bi) ...
>                ...
> 
> you return without setting to NULL
> 

Yes, you are right. Thanks.
And fixing that bug removes the crash.
However....

I've been doing a few tests and it is hard to measure much
improvement, which is strange.

I can maybe see a 1% improvement but that could just be noise.
I do some more and see if I can find out what is happening.

Interestingly, with a simple
  dd if=/dev/md1 of=/dev/null bs=1024k
test, 2.6.16 is substantially faster (10%) than 2.6.17-rc6-mm2 before 
that patches are added.  There is something weird there.

Have you done any testing?

NeilBrown
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