273 	struct zspage_lock zsl;  member
279 	struct zspage_lock *zsl = &zspage->zsl;  in zspage_lock_init()  local
281 	lockdep_init_map(&zsl->dep_map, "zspage->lock", &__key, 0);  in zspage_lock_init()
282 	spin_lock_init(&zsl->lock);  in zspage_lock_init()
283 	zsl->cnt = ZS_PAGE_UNLOCKED;  in zspage_lock_init()
306 	struct zspage_lock *zsl = &zspage->zsl;  in zspage_read_lock()  local
308 	rwsem_acquire_read(&zsl->dep_map, 0, 0, _RET_IP_);  in zspage_read_lock()
310 	spin_lock(&zsl->lock);  in zspage_read_lock()
311 	zsl->cnt++;  in zspage_read_lock()
312 	spin_unlock(&zsl->lock);  in zspage_read_lock()
314 	lock_acquired(&zsl->dep_map, _RET_IP_);  in zspage_read_lock()
319 	struct zspage_lock *zsl = &zspage->zsl;  in zspage_read_unlock()  local
321 	rwsem_release(&zsl->dep_map, _RET_IP_);  in zspage_read_unlock()
323 	spin_lock(&zsl->lock);  in zspage_read_unlock()
324 	zsl->cnt--;  in zspage_read_unlock()
325 	spin_unlock(&zsl->lock);  in zspage_read_unlock()
330 	struct zspage_lock *zsl = &zspage->zsl;  in zspage_write_trylock()  local
332 	spin_lock(&zsl->lock);  in zspage_write_trylock()
333 	if (zsl->cnt == ZS_PAGE_UNLOCKED) {  in zspage_write_trylock()
334 		zsl->cnt = ZS_PAGE_WRLOCKED;  in zspage_write_trylock()
335 		rwsem_acquire(&zsl->dep_map, 0, 1, _RET_IP_);  in zspage_write_trylock()
336 		lock_acquired(&zsl->dep_map, _RET_IP_);  in zspage_write_trylock()
340 	spin_unlock(&zsl->lock);  in zspage_write_trylock()
346 	struct zspage_lock *zsl = &zspage->zsl;  in zspage_write_unlock()  local
348 	rwsem_release(&zsl->dep_map, _RET_IP_);  in zspage_write_unlock()
350 	zsl->cnt = ZS_PAGE_UNLOCKED;  in zspage_write_unlock()
351 	spin_unlock(&zsl->lock);  in zspage_write_unlock()