Re: Some IDE issues with 2.6.28 on PC-Engines ALIX2

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On Monday 05 January 2009, Alan Cox wrote:
> > * CS5536 is used mostly for driving CF cards and this allows use of
> >   IDE features which are unavailable under libata (32-bit I/O support,
> >   non-rotational media optimizations, etc).
> 
> Non rotational media handling is done by the block layer and so works for
> everything. Just set the right queue according to the device policy you
> want in hal/udev.

You seem to confuse no merges policy with non rotational media support.

Both are done by block layer.  The former is controlled by the user-space
while the latter is controlled by the block driver.

Thanks,
Bart
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