873 static void lock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)  in lock_two_stripes()  argument
875 		__acquires(&sh2->stripe_lock)  in lock_two_stripes()
877 	if (sh1 > sh2) {  in lock_two_stripes()
878 		spin_lock_irq(&sh2->stripe_lock);  in lock_two_stripes()
882 		spin_lock_nested(&sh2->stripe_lock, 1);  in lock_two_stripes()
886 static void unlock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)  in unlock_two_stripes()  argument
888 		__releases(&sh2->stripe_lock)  in unlock_two_stripes()
891 	spin_unlock_irq(&sh2->stripe_lock);  in unlock_two_stripes()
3210 	struct stripe_head sh2;  in raid5_compute_blocknr()  local
3305 				     previous, &dummy1, &sh2);  in raid5_compute_blocknr()
3306 	if (check != sh->sector || dummy1 != dd_idx || sh2.pd_idx != sh->pd_idx  in raid5_compute_blocknr()
3307 		|| sh2.qd_idx != sh->qd_idx) {  in raid5_compute_blocknr()
4627 			struct stripe_head *sh2;  in handle_stripe_expansion()  local
4633 			sh2 = raid5_get_active_stripe(conf, NULL, s,  in handle_stripe_expansion()
4635 			if (sh2 == NULL)  in handle_stripe_expansion()
4641 			if (!test_bit(STRIPE_EXPANDING, &sh2->state) ||  in handle_stripe_expansion()
4642 			   test_bit(R5_Expanded, &sh2->dev[dd_idx].flags)) {  in handle_stripe_expansion()
4644 				raid5_release_stripe(sh2);  in handle_stripe_expansion()
4650 			tx = async_memcpy(sh2->dev[dd_idx].page,  in handle_stripe_expansion()
4651 					  sh->dev[i].page, sh2->dev[dd_idx].offset,  in handle_stripe_expansion()
4655 			set_bit(R5_Expanded, &sh2->dev[dd_idx].flags);  in handle_stripe_expansion()
4656 			set_bit(R5_UPTODATE, &sh2->dev[dd_idx].flags);  in handle_stripe_expansion()
4658 				if (j != sh2->pd_idx &&  in handle_stripe_expansion()
4659 				    j != sh2->qd_idx &&  in handle_stripe_expansion()
4660 				    !test_bit(R5_Expanded, &sh2->dev[j].flags))  in handle_stripe_expansion()
4663 				set_bit(STRIPE_EXPAND_READY, &sh2->state);  in handle_stripe_expansion()
4664 				set_bit(STRIPE_HANDLE, &sh2->state);  in handle_stripe_expansion()
4666 			raid5_release_stripe(sh2);  in handle_stripe_expansion()