Re: IDE problems in 2.6.12-rc1-bk1 onwards (was Re: 2.6.12-rc3-mm1)

[Alan Cox]

On Sul, 2005-05-01 at 18:59, Richard Purdie wrote:
> Solution: ide_unregister() should return failure and pass responsibility for 
> handling it to ide-cs or it should always succeed. I'd favour the latter as 
> the ide layer should really handle its own cleanup. Maybe a parameter should 
> be added to ide_unregister() to select the behaviour if the drive is busy/in 
> use? If the hardware is gone, we want it to happen regardless for example...

This is what the -ac tree has done for some time. It tried to unregister
and
if that fails will wait and retry. It also sets the I/O operations to a
set of
null operations to ensure that there are no further unneccessary
writes/reads from the empty bus slot.

Alan

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