81 	spin_lock(&bp->b_lockref.lock);  in xfs_buf_stale()
83 	if (!__lockref_is_dead(&bp->b_lockref))  in xfs_buf_stale()
85 	spin_unlock(&bp->b_lockref.lock);  in xfs_buf_stale()
277 	lockref_init(&bp->b_lockref);  in xfs_buf_alloc()
433 	if (!bp || !lockref_get_not_dead(&bp->b_lockref)) {  in xfs_buf_lookup()
483 	if (bp && lockref_get_not_dead(&bp->b_lockref)) {  in xfs_buf_find_insert()
813 	lockref_get(&bp->b_lockref);  in xfs_buf_hold()
820 	ASSERT(__lockref_is_dead(&bp->b_lockref));  in xfs_buf_destroy()
843 	if (lockref_put_or_lock(&bp->b_lockref))  in xfs_buf_rele()
845 	if (!--bp->b_lockref.count) {  in xfs_buf_rele()
850 	spin_unlock(&bp->b_lockref.lock);  in xfs_buf_rele()
854 	lockref_mark_dead(&bp->b_lockref);  in xfs_buf_rele()
856 	spin_unlock(&bp->b_lockref.lock);  in xfs_buf_rele()
1427 	if (!spin_trylock(&bp->b_lockref.lock))  in xfs_buftarg_drain_rele()
1429 	if (bp->b_lockref.count > 0) {  in xfs_buftarg_drain_rele()
1431 		spin_unlock(&bp->b_lockref.lock);  in xfs_buftarg_drain_rele()
1436 	lockref_mark_dead(&bp->b_lockref);  in xfs_buftarg_drain_rele()
1438 	spin_unlock(&bp->b_lockref.lock);  in xfs_buftarg_drain_rele()
1523 	if (!spin_trylock(&bp->b_lockref.lock))  in xfs_buftarg_isolate()
1532 	if (bp->b_lockref.count > 0) {  in xfs_buftarg_isolate()
1534 		spin_unlock(&bp->b_lockref.lock);  in xfs_buftarg_isolate()
1544 		spin_unlock(&bp->b_lockref.lock);  in xfs_buftarg_isolate()
1548 	lockref_mark_dead(&bp->b_lockref);  in xfs_buftarg_isolate()
1550 	spin_unlock(&bp->b_lockref.lock);  in xfs_buftarg_isolate()