108 	up_read(&sb->s_umount);  in super_cache_scan()
215 	init_rwsem(&s->s_umount);  in alloc_super()
216 	lockdep_set_class(&s->s_umount, &type->s_umount_key);  in alloc_super()
232 	down_write_nested(&s->s_umount, SINGLE_DEPTH_NESTING);  in alloc_super()
314 		up_write(&s->s_umount);  in deactivate_locked_super()
331 		down_write(&s->s_umount);  in deactivate_super()
355 	down_write(&s->s_umount);  in grab_super()
360 	up_write(&s->s_umount);  in grab_super()
384 	if (down_read_trylock(&sb->s_umount)) {  in trylock_super()
388 		up_read(&sb->s_umount);  in trylock_super()
440 	up_write(&sb->s_umount);  in generic_shutdown_super()
472 				up_write(&s->s_umount);  in sget()
490 		up_write(&s->s_umount);  in sget()
508 	up_read(&sb->s_umount);  in drop_super()
533 		down_read(&sb->s_umount);  in iterate_supers()
536 		up_read(&sb->s_umount);  in iterate_supers()
567 		down_read(&sb->s_umount);  in iterate_supers_type()
570 		up_read(&sb->s_umount);  in iterate_supers_type()
607 			down_read(&sb->s_umount);  in get_super()
611 			up_read(&sb->s_umount);  in get_super()
639 		up_read(&s->s_umount);  in get_super_thawed()
670 			up_write(&sb->s_umount);  in get_active_super()
690 			down_read(&sb->s_umount);  in user_get_super()
694 			up_read(&sb->s_umount);  in user_get_super()
731 			up_write(&sb->s_umount);  in do_remount_sb()
733 			down_write(&sb->s_umount);  in do_remount_sb()
798 		down_write(&sb->s_umount);  in do_emergency_remount()
806 		up_write(&sb->s_umount);  in do_emergency_remount()
1012 		up_write(&s->s_umount);  in mount_bdev()
1014 		down_write(&s->s_umount);  in mount_bdev()
1147 	up_write(&sb->s_umount);  in mount_fs()
1281 	down_write(&sb->s_umount);  in freeze_super()
1288 		up_write(&sb->s_umount);  in freeze_super()
1295 		up_write(&sb->s_umount);  in freeze_super()
1301 	up_write(&sb->s_umount);  in freeze_super()
1303 	down_write(&sb->s_umount);  in freeze_super()
1333 	up_write(&sb->s_umount);  in freeze_super()
1348 	down_write(&sb->s_umount);  in thaw_super()
1350 		up_write(&sb->s_umount);  in thaw_super()
1364 			up_write(&sb->s_umount);  in thaw_super()