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SubjectRe: IDE locking problem
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On Maw, 2003-08-05 at 13:30, Bartlomiej Zolnierkiewicz wrote:
> HDIO_UNREGISTER_HWIF ioctl. Together with HDIO_SCAN_HWIF ioctl it
> provides dirty hotswap functionality. Thats why I mentioned about problem
> with ide_unregister() and non default io bases.

I'm currently testing busstate ioctl based rescanning in 2.4 (long story involving
a laptop). I've made the busstate off code clean up the device - so the hwif becomes
device->present=0 for all devices and busstate on rescans the bus and updates the
device objects.

Its a hack in many ways to keep the base objects present so that the brown and sticky
issues of blk queues in 2.4 never meet the fan of object destruction.

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