32 ref_tracker_get_stats(struct ref_tracker_dir *dir, unsigned int limit)  in ref_tracker_get_stats()  argument
44 	list_for_each_entry(tracker, &dir->list, head) {  in ref_tracker_get_stats()
84 __ref_tracker_dir_pr_ostream(struct ref_tracker_dir *dir,  in __ref_tracker_dir_pr_ostream()  argument
92 	lockdep_assert_held(&dir->lock);  in __ref_tracker_dir_pr_ostream()
94 	if (list_empty(&dir->list))  in __ref_tracker_dir_pr_ostream()
97 	stats = ref_tracker_get_stats(dir, display_limit);  in __ref_tracker_dir_pr_ostream()
100 			   dir->name, dir, stats);  in __ref_tracker_dir_pr_ostream()
110 		pr_ostream(s, "%s@%pK has %d/%d users at\n%s\n", dir->name, dir,  in __ref_tracker_dir_pr_ostream()
117 			   dir->name, dir, skipped, stats->total);  in __ref_tracker_dir_pr_ostream()
124 void ref_tracker_dir_print_locked(struct ref_tracker_dir *dir,  in ref_tracker_dir_print_locked()  argument
129 	__ref_tracker_dir_pr_ostream(dir, display_limit, &os);  in ref_tracker_dir_print_locked()
133 void ref_tracker_dir_print(struct ref_tracker_dir *dir,  in ref_tracker_dir_print()  argument
138 	spin_lock_irqsave(&dir->lock, flags);  in ref_tracker_dir_print()
139 	ref_tracker_dir_print_locked(dir, display_limit);  in ref_tracker_dir_print()
140 	spin_unlock_irqrestore(&dir->lock, flags);  in ref_tracker_dir_print()
144 int ref_tracker_dir_snprint(struct ref_tracker_dir *dir, char *buf, size_t size)  in ref_tracker_dir_snprint()  argument
149 	spin_lock_irqsave(&dir->lock, flags);  in ref_tracker_dir_snprint()
150 	__ref_tracker_dir_pr_ostream(dir, 16, &os);  in ref_tracker_dir_snprint()
151 	spin_unlock_irqrestore(&dir->lock, flags);  in ref_tracker_dir_snprint()
157 void ref_tracker_dir_exit(struct ref_tracker_dir *dir)  in ref_tracker_dir_exit()  argument
163 	dir->dead = true;  in ref_tracker_dir_exit()
164 	spin_lock_irqsave(&dir->lock, flags);  in ref_tracker_dir_exit()
165 	list_for_each_entry_safe(tracker, n, &dir->quarantine, head) {  in ref_tracker_dir_exit()
168 		dir->quarantine_avail++;  in ref_tracker_dir_exit()
170 	if (!list_empty(&dir->list)) {  in ref_tracker_dir_exit()
171 		ref_tracker_dir_print_locked(dir, 16);  in ref_tracker_dir_exit()
173 		list_for_each_entry_safe(tracker, n, &dir->list, head) {  in ref_tracker_dir_exit()
178 	spin_unlock_irqrestore(&dir->lock, flags);  in ref_tracker_dir_exit()
180 	WARN_ON_ONCE(refcount_read(&dir->untracked) != 1);  in ref_tracker_dir_exit()
181 	WARN_ON_ONCE(refcount_read(&dir->no_tracker) != 1);  in ref_tracker_dir_exit()
185 int ref_tracker_alloc(struct ref_tracker_dir *dir,  in ref_tracker_alloc()  argument
195 	WARN_ON_ONCE(dir->dead);  in ref_tracker_alloc()
198 		refcount_inc(&dir->no_tracker);  in ref_tracker_alloc()
206 		refcount_inc(&dir->untracked);  in ref_tracker_alloc()
212 	spin_lock_irqsave(&dir->lock, flags);  in ref_tracker_alloc()
213 	list_add(&tracker->head, &dir->list);  in ref_tracker_alloc()
214 	spin_unlock_irqrestore(&dir->lock, flags);  in ref_tracker_alloc()
219 int ref_tracker_free(struct ref_tracker_dir *dir,  in ref_tracker_free()  argument
228 	WARN_ON_ONCE(dir->dead);  in ref_tracker_free()
231 		refcount_dec(&dir->no_tracker);  in ref_tracker_free()
236 		refcount_dec(&dir->untracked);  in ref_tracker_free()
243 	spin_lock_irqsave(&dir->lock, flags);  in ref_tracker_free()
254 		spin_unlock_irqrestore(&dir->lock, flags);  in ref_tracker_free()
262 	list_move_tail(&tracker->head, &dir->quarantine);  in ref_tracker_free()
263 	if (!dir->quarantine_avail) {  in ref_tracker_free()
264 		tracker = list_first_entry(&dir->quarantine, struct ref_tracker, head);  in ref_tracker_free()
267 		dir->quarantine_avail--;  in ref_tracker_free()
270 	spin_unlock_irqrestore(&dir->lock, flags);  in ref_tracker_free()