It has add_gendisk, del_gendisk, get_gendisk, blk_gendisk[]
(a.k.a. register_gendisk, unregister_gendisk, find_gendisk),
so that one now can find the gendisk structure given a kdev_t.
Interestingly, there were complaints several places in the source
about the lack of these, but none of the complainers added them.
Al, I don't know whether you are interested in this stuff, but comments
(other than: "the stuff is full of races") are welcome.
Andries
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