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Christoph Hellwig authored
This is the final patch to make sd work properly in a hotplug enviroment. Add a bitmap for currently used disks so that we can properly reuse dev_t when a disk is hot-unplugged. While at that add support for the eight additional majors allocated to sd in the latest devices.txt [1]. If only register_blkdev finally died we could nuke almost all knowledge of majors/minors from sd... [1] http://www.lanana.org/docs/device-list/devices.txt
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