Cross Reference: /illumos-gate/usr/src/uts/common/fs/zfs/refcount.c

Lines Matching defs:rc
59 refcount_create(refcount_t *rc)
61 	mutex_init(&rc->rc_mtx, NULL, MUTEX_DEFAULT, NULL);
62 	list_create(&rc->rc_list, sizeof (reference_t),
64 	list_create(&rc->rc_removed, sizeof (reference_t),
66 	rc->rc_count = 0;
67 	rc->rc_removed_count = 0;
68 	rc->rc_tracked = reference_tracking_enable;
72 refcount_create_tracked(refcount_t *rc)
74 	refcount_create(rc);
75 	rc->rc_tracked = B_TRUE;
79 refcount_create_untracked(refcount_t *rc)
81 	refcount_create(rc);
82 	rc->rc_tracked = B_FALSE;
86 refcount_destroy_many(refcount_t *rc, uint64_t number)
90 	ASSERT(rc->rc_count == number);
91 	while (ref = list_head(&rc->rc_list)) {
92 		list_remove(&rc->rc_list, ref);
95 	list_destroy(&rc->rc_list);
97 	while (ref = list_head(&rc->rc_removed)) {
98 		list_remove(&rc->rc_removed, ref);
102 	list_destroy(&rc->rc_removed);
103 	mutex_destroy(&rc->rc_mtx);
107 refcount_destroy(refcount_t *rc)
109 	refcount_destroy_many(rc, 0);
113 refcount_is_zero(refcount_t *rc)
115 	return (rc->rc_count == 0);
119 refcount_count(refcount_t *rc)
121 	return (rc->rc_count);
125 refcount_add_many(refcount_t *rc, uint64_t number, void *holder)
130 	if (rc->rc_tracked) {
135 	mutex_enter(&rc->rc_mtx);
136 	ASSERT(rc->rc_count >= 0);
137 	if (rc->rc_tracked)
138 		list_insert_head(&rc->rc_list, ref);
139 	rc->rc_count += number;
140 	count = rc->rc_count;
141 	mutex_exit(&rc->rc_mtx);
147 refcount_add(refcount_t *rc, void *holder)
149 	return (refcount_add_many(rc, 1, holder));
153 refcount_remove_many(refcount_t *rc, uint64_t number, void *holder)
158 	mutex_enter(&rc->rc_mtx);
159 	ASSERT(rc->rc_count >= number);
161 	if (!rc->rc_tracked) {
162 		rc->rc_count -= number;
163 		count = rc->rc_count;
164 		mutex_exit(&rc->rc_mtx);
168 	for (ref = list_head(&rc->rc_list); ref;
169 	    ref = list_next(&rc->rc_list, ref)) {
171 			list_remove(&rc->rc_list, ref);
176 				list_insert_head(&rc->rc_removed, ref);
177 				rc->rc_removed_count++;
178 				if (rc->rc_removed_count > reference_history) {
179 					ref = list_tail(&rc->rc_removed);
180 					list_remove(&rc->rc_removed, ref);
184 					rc->rc_removed_count--;
189 			rc->rc_count -= number;
190 			count = rc->rc_count;
191 			mutex_exit(&rc->rc_mtx);
196 	    (u_longlong_t)(uintptr_t)rc);
201 refcount_remove(refcount_t *rc, void *holder)
203 	return (refcount_remove_many(rc, 1, holder));
238 refcount_transfer_ownership(refcount_t *rc, void *current_holder,
244 	mutex_enter(&rc->rc_mtx);
245 	if (!rc->rc_tracked) {
246 		mutex_exit(&rc->rc_mtx);
250 	for (ref = list_head(&rc->rc_list); ref;
251 	    ref = list_next(&rc->rc_list, ref)) {
259 	mutex_exit(&rc->rc_mtx);
268 refcount_held(refcount_t *rc, void *holder)
272 	mutex_enter(&rc->rc_mtx);
274 	if (!rc->rc_tracked) {
275 		mutex_exit(&rc->rc_mtx);
276 		return (rc->rc_count > 0);
279 	for (ref = list_head(&rc->rc_list); ref;
280 	    ref = list_next(&rc->rc_list, ref)) {
282 			mutex_exit(&rc->rc_mtx);
286 	mutex_exit(&rc->rc_mtx);
296 refcount_not_held(refcount_t *rc, void *holder)
300 	mutex_enter(&rc->rc_mtx);
302 	if (!rc->rc_tracked) {
303 		mutex_exit(&rc->rc_mtx);
307 	for (ref = list_head(&rc->rc_list); ref;
308 	    ref = list_next(&rc->rc_list, ref)) {
310 			mutex_exit(&rc->rc_mtx);
314 	mutex_exit(&rc->rc_mtx);