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()
477 	up_write(&sb->s_umount);  in generic_shutdown_super()
639 	up_read(&sb->s_umount);  in drop_super()
647 	up_write(&sb->s_umount);  in drop_super_exclusive()
693 		down_read(&sb->s_umount);  in iterate_supers()
696 		up_read(&sb->s_umount);  in iterate_supers()
727 		down_read(&sb->s_umount);  in iterate_supers_type()
730 		up_read(&sb->s_umount);  in iterate_supers_type()
760 				down_read(&sb->s_umount);  in __get_super()
762 				down_write(&sb->s_umount);  in __get_super()
767 				up_read(&sb->s_umount);  in __get_super()
769 				up_write(&sb->s_umount);  in __get_super()
801 			up_read(&s->s_umount);  in __get_super_thawed()
803 			up_write(&s->s_umount);  in __get_super_thawed()
863 			up_write(&sb->s_umount);  in get_active_super()
883 			down_read(&sb->s_umount);  in user_get_super()
887 			up_read(&sb->s_umount);  in user_get_super()
931 			up_write(&sb->s_umount);  in reconfigure_super()
933 			down_write(&sb->s_umount);  in reconfigure_super()
993 	down_write(&sb->s_umount);  in do_emergency_remount_callback()
1006 	up_write(&sb->s_umount);  in do_emergency_remount_callback()
1029 	down_write(&sb->s_umount);  in do_thaw_all_callback()
1034 		up_write(&sb->s_umount);  in do_thaw_all_callback()
1338 		up_write(&s->s_umount);  in get_tree_bdev()
1340 		down_write(&s->s_umount);  in get_tree_bdev()
1413 		up_write(&s->s_umount);  in mount_bdev()
1415 		down_write(&s->s_umount);  in mount_bdev()
1715 	down_write(&sb->s_umount);  in freeze_super()
1722 		up_write(&sb->s_umount);  in freeze_super()
1729 		up_write(&sb->s_umount);  in freeze_super()
1735 	up_write(&sb->s_umount);  in freeze_super()
1737 	down_write(&sb->s_umount);  in freeze_super()
1775 	up_write(&sb->s_umount);  in freeze_super()
1791 		up_write(&sb->s_umount);  in thaw_super_locked()
1808 			up_write(&sb->s_umount);  in thaw_super_locked()
1823 	down_write(&sb->s_umount);  in thaw_super()