Rescan IDE interface when no IDE devices are present

From: Daniel De Graaf
Date: Sun Jul 16 2006 - 15:19:03 EST

My laptop has only one IDE interface (/dev/hdc), which means there are
no valid IDE block devices which can be used for HDIO_SCAN_HWIF ioctl
to scan for the insertion of my CD-ROM drive.

Are there alternate methods of invoking this ioctl, or for creating an
open filehandle where it can be used?
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