From: NeilBrown <neilb@suse.de>
Date: Tue, 28 Oct 2008 06:01:23 +0000 (+1100)
Subject: md: destroy partitions and notify udev when md array is stopped.
X-Git-Tag: v2.6.28-rc3~27^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=934d9c23b4c7e31840a895ba4b7e88d6413c81f3;p=pandora-kernel.git

md: destroy partitions and notify udev when md array is stopped.

md arrays are not currently destroyed when they are stopped - they
remain in /sys/block.  Last time I tried this I tripped over locking
too much.

A consequence of this is that udev doesn't remove anything from /dev.
This is rather ugly.

As an interim measure until proper device removal can be achieved,
make sure all partitions are removed using the BLKRRPART ioctl, and
send a KOBJ_CHANGE when an md array is stopped.

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