md: reduce dependence on sysfs.
authorNeilBrown <neilb@suse.de>
Tue, 1 Jun 2010 09:37:23 +0000 (19:37 +1000)
committerNeilBrown <neilb@suse.de>
Wed, 21 Jul 2010 03:27:53 +0000 (13:27 +1000)
We will want md devices to live as dm targets where sysfs is not
visible.  So allow md to not connect to sysfs.

Signed-off-by: NeilBrown <neilb@suse.de>

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