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md/raid5: add missing spin_lock_init.
commit b17459c050
raid5: add a per-stripe lock
added a spin_lock to the 'stripe_head' struct.
Unfortunately there are two places where this struct is allocated
but the spin lock was only initialised in one of them.
So add the missing spin_lock_init.
Signed-off-by: NeilBrown <neilb@suse.de>
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@ -1591,6 +1591,7 @@ static int resize_stripes(struct r5conf *conf, int newsize)
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#ifdef CONFIG_MULTICORE_RAID456
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init_waitqueue_head(&nsh->ops.wait_for_ops);
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#endif
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spin_lock_init(&nsh->stripe_lock);
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list_add(&nsh->lru, &newstripes);
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}
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