md/raid5: allow layout and chunksize to be changed on active array.

If an array has 3 or more devices, we allow the chunksize or layout
to be changed and when a reshape starts, we use these as the 'new'
values.


Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2009-03-31 15:24:23 +11:00
commit 88ce4930e2