Really fix dm/md slave disk utilization
authorJens Axboe <jens.axboe@oracle.com>
Thu, 1 Oct 2009 17:44:36 +0000 (19:44 +0200)
committerJens Axboe <jens.axboe@oracle.com>
Thu, 1 Oct 2009 17:44:36 +0000 (19:44 +0200)
We should just handle it internally in the disk util inc/dec. Make
it iterate each slave and modify their usage count, too.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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