727 static void lock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)  in lock_two_stripes()  argument
730 	if (sh1 > sh2) {  in lock_two_stripes()
731 		spin_lock(&sh2->stripe_lock);  in lock_two_stripes()
735 		spin_lock_nested(&sh2->stripe_lock, 1);  in lock_two_stripes()
739 static void unlock_two_stripes(struct stripe_head *sh1, struct stripe_head *sh2)  in unlock_two_stripes()  argument
742 	spin_unlock(&sh2->stripe_lock);  in unlock_two_stripes()
2751 	struct stripe_head sh2;  in raid5_compute_blocknr()  local
2846 				     previous, &dummy1, &sh2);  in raid5_compute_blocknr()
2847 	if (check != sh->sector || dummy1 != dd_idx || sh2.pd_idx != sh->pd_idx  in raid5_compute_blocknr()
2848 		|| sh2.qd_idx != sh->qd_idx) {  in raid5_compute_blocknr()
3952 			struct stripe_head *sh2;  in handle_stripe_expansion()  local
3958 			sh2 = raid5_get_active_stripe(conf, s, 0, 1, 1);  in handle_stripe_expansion()
3959 			if (sh2 == NULL)  in handle_stripe_expansion()
3965 			if (!test_bit(STRIPE_EXPANDING, &sh2->state) ||  in handle_stripe_expansion()
3966 			   test_bit(R5_Expanded, &sh2->dev[dd_idx].flags)) {  in handle_stripe_expansion()
3968 				raid5_release_stripe(sh2);  in handle_stripe_expansion()
3974 			tx = async_memcpy(sh2->dev[dd_idx].page,  in handle_stripe_expansion()
3978 			set_bit(R5_Expanded, &sh2->dev[dd_idx].flags);  in handle_stripe_expansion()
3979 			set_bit(R5_UPTODATE, &sh2->dev[dd_idx].flags);  in handle_stripe_expansion()
3981 				if (j != sh2->pd_idx &&  in handle_stripe_expansion()
3982 				    j != sh2->qd_idx &&  in handle_stripe_expansion()
3983 				    !test_bit(R5_Expanded, &sh2->dev[j].flags))  in handle_stripe_expansion()
3986 				set_bit(STRIPE_EXPAND_READY, &sh2->state);  in handle_stripe_expansion()
3987 				set_bit(STRIPE_HANDLE, &sh2->state);  in handle_stripe_expansion()
3989 			raid5_release_stripe(sh2);  in handle_stripe_expansion()