arent db91ff55bdf06736b849afc1b1fce5763bbb8d5d
author NeilBrown <neilb@suse.de> 1329103445 +1100
committer NeilBrown <neilb@suse.de> 1329103445 +1100

md/raid1: fix buglet in md_raid1_contested.

Since we added 'replacement' capability, RAID1 can have twice
as many devices as ->raid_disks indicates.
So md_raid1_congested needs to check that many possible devices,
not just ->raid_disks many.

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