block: Topology ioctls
authorMartin K. Petersen <martin.petersen@oracle.com>
Sat, 3 Oct 2009 18:52:01 +0000 (20:52 +0200)
committerJens Axboe <jens.axboe@oracle.com>
Sat, 3 Oct 2009 18:52:01 +0000 (20:52 +0200)
Not all users of the topology information want to use libblkid.  Provide
the topology information through bdev ioctls.

Also clarify sector size comments for existing BLK ioctls.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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