md: refuse to change shape of array if it is active but read-only
authorNeilBrown <neilb@suse.de>
Wed, 28 May 2014 03:39:21 +0000 (13:39 +1000)
committerNeilBrown <neilb@suse.de>
Thu, 29 May 2014 06:59:30 +0000 (16:59 +1000)
read-only arrays should not be changed.  This includes changing
the level, layout, size, or number of devices.

So reject those changes for readonly arrays.

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

No differences found