Re: [PATCH 2.6.22-rc6] sata_inic162x: add big fat warning about broken LBA48 support

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On Fri, 29 Jun 2007 01:27:29 +0900
Tejun Heo <htejun@xxxxxxxxx> wrote:

> Greg Freemyer wrote:
> > Does it simply fail?  Or does it corrupt?
> > 
> > In my Windows experience, if you try to write data past ~128GiB and
> > you don't have LBA48 support you get a wraparound effect that causes
> > corruption of the data below ~128GiB.  I've seen it happen several
> > times under Win2K in particular.
> 
> It will probably wrap and corrupt data.  The driver is already marked
> HIGHLY EXPERIMENTAL.  Do you think we need bigger hammer

Probably if the driver has set the no lba48 flag and the drive is > 128GB
we need to clip the reported size of the volume and/or print a message
and skip it
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