Re: v3.5 regression in IMSM support

[Brian Downing <bdowning@xxxxxxxxx>]

On Wed, Jul 18, 2012 at 10:34:58AM +1000, NeilBrown wrote:
> Thank you so much for a very thorough bug report!!
> 
> Fix is below - please test and confirm that it fixes your symptoms.

I applied this to Linus's master as of today and it appears to restore
the earlier working behavior for my system, including incremental assembly
and a correct-looking mdstat:

    :; uname -r
    3.5.0-rc7-ARCH-00082-g04f15c7
    :; cat /proc/mdstat 
    Personalities : [raid0] 
    md126 : active raid0 sda[1] sdb[0]
          625137664 blocks super external:/md127/0 128k chunks
      
    md127 : inactive sdb[1](S) sda[0](S)
          4520 blocks super external:imsm

Thank you very much for the quick fix!

Tested-by: Brian Downing <bdowning@xxxxxxxxx>

-bcd
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