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Lines Matching defs:ro

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