Re: [patch] IDE driver model update

Alan Cox
2002-10-08T12:06:42Z

On Tue, 2002-10-08 at 03:17, Alexander Viro wrote:
> _ALL_ buses that have driverfs support (IDE, SCSI, USB, PCI) have their
> own rules for lifetimes of their structures. And that's not likely to
> change - these objects belong to drivers and in some cases (IDE) are
> not even allocated dynamically - they are reused if nothing is holding
> them.

IDE objects can also outlast the hardware - consider an active mount on
an ejected pcmcia card. Right now we don't do the right stuff to
reconnect that on re-insert but one day we may need to. As it is we keep
the instance around to avoid crashes