114 	up_read(&sb->s_umount);  in super_cache_scan()
180 	up_write(&s->s_umount);  in destroy_unused_super()
212 	init_rwsem(&s->s_umount);  in alloc_super()
213 	lockdep_set_class(&s->s_umount, &type->s_umount_key);  in alloc_super()
229 	down_write_nested(&s->s_umount, SINGLE_DEPTH_NESTING);  in alloc_super()
348 		up_write(&s->s_umount);  in deactivate_locked_super()
365 		down_write(&s->s_umount);  in deactivate_super()
389 	down_write(&s->s_umount);  in grab_super()
394 	up_write(&s->s_umount);  in grab_super()
418 	if (down_read_trylock(&sb->s_umount)) {  in trylock_super()
422 		up_read(&sb->s_umount);  in trylock_super()
476 	up_write(&sb->s_umount);  in generic_shutdown_super()
638 	up_read(&sb->s_umount);  in drop_super()
646 	up_write(&sb->s_umount);  in drop_super_exclusive()
692 		down_read(&sb->s_umount);  in iterate_supers()
695 		up_read(&sb->s_umount);  in iterate_supers()
726 		down_read(&sb->s_umount);  in iterate_supers_type()
729 		up_read(&sb->s_umount);  in iterate_supers_type()
759 				down_read(&sb->s_umount);  in __get_super()
761 				down_write(&sb->s_umount);  in __get_super()
766 				up_read(&sb->s_umount);  in __get_super()
768 				up_write(&sb->s_umount);  in __get_super()
800 			up_read(&s->s_umount);  in __get_super_thawed()
802 			up_write(&s->s_umount);  in __get_super_thawed()
862 			up_write(&sb->s_umount);  in get_active_super()
882 			down_read(&sb->s_umount);  in user_get_super()
886 			up_read(&sb->s_umount);  in user_get_super()
930 			up_write(&sb->s_umount);  in reconfigure_super()
932 			down_write(&sb->s_umount);  in reconfigure_super()
992 	down_write(&sb->s_umount);  in do_emergency_remount_callback()
1005 	up_write(&sb->s_umount);  in do_emergency_remount_callback()
1028 	down_write(&sb->s_umount);  in do_thaw_all_callback()
1033 		up_write(&sb->s_umount);  in do_thaw_all_callback()
1337 		up_write(&s->s_umount);  in get_tree_bdev()
1339 		down_write(&s->s_umount);  in get_tree_bdev()
1412 		up_write(&s->s_umount);  in mount_bdev()
1414 		down_write(&s->s_umount);  in mount_bdev()
1716 	down_write(&sb->s_umount);  in freeze_super()
1723 		up_write(&sb->s_umount);  in freeze_super()
1730 		up_write(&sb->s_umount);  in freeze_super()
1736 	up_write(&sb->s_umount);  in freeze_super()
1738 	down_write(&sb->s_umount);  in freeze_super()
1769 	up_write(&sb->s_umount);  in freeze_super()
1785 		up_write(&sb->s_umount);  in thaw_super_locked()
1802 			up_write(&sb->s_umount);  in thaw_super_locked()
1817 	down_write(&sb->s_umount);  in thaw_super()