58 	struct krwobj *ro;  in rw_obj_alloc()  local
60 	ro = kmem_intr_alloc(sizeof(*ro), KM_SLEEP);  in rw_obj_alloc()
61 	KASSERT(ALIGNED_POINTER(ro, coherency_unit));  in rw_obj_alloc()
62 	_rw_init(&ro->ro_lock, (uintptr_t)__builtin_return_address(0));  in rw_obj_alloc()
63 	ro->ro_magic = RW_OBJ_MAGIC;  in rw_obj_alloc()
64 	ro->ro_refcnt = 1;  in rw_obj_alloc()
66 	return (krwlock_t *)ro;  in rw_obj_alloc()
77 	struct krwobj *ro;  in rw_obj_tryalloc()  local
79 	ro = kmem_intr_alloc(sizeof(*ro), KM_NOSLEEP);  in rw_obj_tryalloc()
80 	KASSERT(ALIGNED_POINTER(ro, coherency_unit));  in rw_obj_tryalloc()
81 	if (__predict_true(ro != NULL)) {  in rw_obj_tryalloc()
82 		_rw_init(&ro->ro_lock, (uintptr_t)__builtin_return_address(0));  in rw_obj_tryalloc()
83 		ro->ro_magic = RW_OBJ_MAGIC;  in rw_obj_tryalloc()
84 		ro->ro_refcnt = 1;  in rw_obj_tryalloc()
87 	return (krwlock_t *)ro;  in rw_obj_tryalloc()
99 	struct krwobj *ro = (struct krwobj *)lock;  in rw_obj_hold()  local
101 	KASSERT(ro->ro_magic == RW_OBJ_MAGIC);  in rw_obj_hold()
102 	KASSERT(ro->ro_refcnt > 0);  in rw_obj_hold()
104 	atomic_inc_uint(&ro->ro_refcnt);  in rw_obj_hold()
116 	struct krwobj *ro = (struct krwobj *)lock;  in rw_obj_free()  local
118 	KASSERT(ro->ro_magic == RW_OBJ_MAGIC);  in rw_obj_free()
119 	KASSERT(ro->ro_refcnt > 0);  in rw_obj_free()
122 	if (atomic_dec_uint_nv(&ro->ro_refcnt) > 0) {  in rw_obj_free()
126 	rw_destroy(&ro->ro_lock);  in rw_obj_free()
127 	kmem_intr_free(ro, sizeof(*ro));  in rw_obj_free()
139 	struct krwobj *ro = (struct krwobj *)lock;  in rw_obj_refcnt()  local
141 	return ro->ro_refcnt;  in rw_obj_refcnt()