Re: New filesystem for Linux

[Grzegorz Kulewski]

On Sat, 4 Nov 2006, Mikulas Patocka wrote:
> > >  If it overflows, it increases crash count instead. So really you have 
> > >  2^47
> > >  transactions or 65536 crashes and 2^31 transactions between each crash.
> >
> >  it seems to me that you only need to be able to represent a range of the
> >  most recent 65536 crashes... and could have an online process which goes
> >  about "refreshing" old objects to move them forward to the most recent
> >  crash state.  as long as you know the minimm on-disk crash count you can
> >  use it as an offset.
>
> After 65536 crashes you have to run spadfsck --reset-crash-counts. Maybe I 
> add that functionality to kernel driver too, so that it will be formally 
> corect.

Is there any reason you can not make these fields 64 or even 128 bits in 
size to increase these "limits" dramatically?


Thanks,

Grzegorz Kulewski

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