72 rangelock_init(struct rangelock *lock)  in rangelock_init()  argument
75 	TAILQ_INIT(&lock->rl_waiters);  in rangelock_init()
76 	lock->rl_currdep = NULL;  in rangelock_init()
80 rangelock_destroy(struct rangelock *lock)  in rangelock_destroy()  argument
83 	KASSERT(TAILQ_EMPTY(&lock->rl_waiters), ("Dangling waiters"));  in rangelock_destroy()
104 rangelock_calc_block(struct rangelock *lock)  in rangelock_calc_block()  argument
108 	for (entry = lock->rl_currdep; entry != NULL; entry = nextentry) {  in rangelock_calc_block()
112 			for (entry1 = TAILQ_FIRST(&lock->rl_waiters);  in rangelock_calc_block()
120 			for (entry1 = TAILQ_FIRST(&lock->rl_waiters);  in rangelock_calc_block()
128 			TAILQ_REMOVE(&lock->rl_waiters, entry, rl_q_link);  in rangelock_calc_block()
129 			TAILQ_INSERT_HEAD(&lock->rl_waiters, entry, rl_q_link);  in rangelock_calc_block()
137 	lock->rl_currdep = entry;  in rangelock_calc_block()
141 rangelock_unlock_locked(struct rangelock *lock, struct rl_q_entry *entry,  in rangelock_unlock_locked()  argument
145 	MPASS(lock != NULL && entry != NULL && ilk != NULL);  in rangelock_unlock_locked()
147 	KASSERT(entry != lock->rl_currdep, ("stuck currdep"));  in rangelock_unlock_locked()
149 	TAILQ_REMOVE(&lock->rl_waiters, entry, rl_q_link);  in rangelock_unlock_locked()
150 	rangelock_calc_block(lock);  in rangelock_unlock_locked()
159 rangelock_unlock(struct rangelock *lock, void *cookie, struct mtx *ilk)  in rangelock_unlock()  argument
162 	MPASS(lock != NULL && cookie != NULL && ilk != NULL);  in rangelock_unlock()
165 	rangelock_unlock_locked(lock, cookie, ilk);  in rangelock_unlock()
172 rangelock_unlock_range(struct rangelock *lock, void *cookie, off_t start,  in rangelock_unlock_range()  argument
177 	MPASS(lock != NULL && cookie != NULL && ilk != NULL);  in rangelock_unlock_range()
186 		rangelock_unlock_locked(lock, cookie, ilk);  in rangelock_unlock_range()
190 	rangelock_calc_block(lock);  in rangelock_unlock_range()
200 rangelock_enqueue(struct rangelock *lock, off_t start, off_t end, int mode,  in rangelock_enqueue()  argument
206 	MPASS(lock != NULL && ilk != NULL);  in rangelock_enqueue()
226 	TAILQ_INSERT_TAIL(&lock->rl_waiters, entry, rl_q_link);  in rangelock_enqueue()
227 	if (lock->rl_currdep == NULL)  in rangelock_enqueue()
228 		lock->rl_currdep = entry;  in rangelock_enqueue()
229 	rangelock_calc_block(lock);  in rangelock_enqueue()
237 rangelock_rlock(struct rangelock *lock, off_t start, off_t end, struct mtx *ilk)  in rangelock_rlock()  argument
240 	return (rangelock_enqueue(lock, start, end, RL_LOCK_READ, ilk));  in rangelock_rlock()
244 rangelock_wlock(struct rangelock *lock, off_t start, off_t end, struct mtx *ilk)  in rangelock_wlock()  argument
247 	return (rangelock_enqueue(lock, start, end, RL_LOCK_WRITE, ilk));  in rangelock_wlock()