150 		percpu_counter_destroy(&s->s_writers.counter[i]);  in destroy_super()
181 		if (percpu_counter_init(&s->s_writers.counter[i], 0,  in alloc_super()
184 		lockdep_init_map(&s->s_writers.lock_map[i], sb_writers_name[i],  in alloc_super()
187 	init_waitqueue_head(&s->s_writers.wait);  in alloc_super()
188 	init_waitqueue_head(&s->s_writers.wait_unfrozen);  in alloc_super()
621 		if (!s || s->s_writers.frozen == SB_UNFROZEN)  in get_super_thawed()
624 		wait_event(s->s_writers.wait_unfrozen,  in get_super_thawed()
625 			   s->s_writers.frozen == SB_UNFROZEN);  in get_super_thawed()
703 	if (sb->s_writers.frozen != SB_UNFROZEN)  in do_remount_sb()
720 			if (sb->s_writers.frozen != SB_UNFROZEN)  in do_remount_sb()
1149 	percpu_counter_dec(&sb->s_writers.counter[level-1]);  in __sb_end_write()
1155 	if (waitqueue_active(&sb->s_writers.wait))  in __sb_end_write()
1156 		wake_up(&sb->s_writers.wait);  in __sb_end_write()
1157 	rwsem_release(&sb->s_writers.lock_map[level-1], 1, _RET_IP_);  in __sb_end_write()
1178 			if (lock_is_held(&sb->s_writers.lock_map[i])) {  in acquire_freeze_lock()
1183 	rwsem_acquire_read(&sb->s_writers.lock_map[level-1], 0, trylock, ip);  in acquire_freeze_lock()
1194 	if (unlikely(sb->s_writers.frozen >= level)) {  in __sb_start_write()
1197 		wait_event(sb->s_writers.wait_unfrozen,  in __sb_start_write()
1198 			   sb->s_writers.frozen < level);  in __sb_start_write()
1204 	percpu_counter_inc(&sb->s_writers.counter[level-1]);  in __sb_start_write()
1210 	if (unlikely(sb->s_writers.frozen >= level)) {  in __sb_start_write()
1236 	rwsem_acquire(&sb->s_writers.lock_map[level-1], 0, 0, _THIS_IP_);  in sb_wait_write()
1237 	rwsem_release(&sb->s_writers.lock_map[level-1], 1, _THIS_IP_);  in sb_wait_write()
1246 		prepare_to_wait(&sb->s_writers.wait, &wait,  in sb_wait_write()
1249 		writers = percpu_counter_sum(&sb->s_writers.counter[level-1]);  in sb_wait_write()
1253 		finish_wait(&sb->s_writers.wait, &wait);  in sb_wait_write()
1296 	if (sb->s_writers.frozen != SB_UNFROZEN) {  in freeze_super()
1308 		sb->s_writers.frozen = SB_FREEZE_COMPLETE;  in freeze_super()
1314 	sb->s_writers.frozen = SB_FREEZE_WRITE;  in freeze_super()
1324 	sb->s_writers.frozen = SB_FREEZE_PAGEFAULT;  in freeze_super()
1333 	sb->s_writers.frozen = SB_FREEZE_FS;  in freeze_super()
1342 			sb->s_writers.frozen = SB_UNFROZEN;  in freeze_super()
1344 			wake_up(&sb->s_writers.wait_unfrozen);  in freeze_super()
1353 	sb->s_writers.frozen = SB_FREEZE_COMPLETE;  in freeze_super()
1370 	if (sb->s_writers.frozen == SB_UNFROZEN) {  in thaw_super()
1389 	sb->s_writers.frozen = SB_UNFROZEN;  in thaw_super()
1391 	wake_up(&sb->s_writers.wait_unfrozen);  in thaw_super()