nullb_subsys 491 drivers/block/null_blk_main.c static struct configfs_subsystem nullb_subsys = { nullb_subsys 1795 drivers/block/null_blk_main.c config_group_init(&nullb_subsys.su_group); nullb_subsys 1796 drivers/block/null_blk_main.c mutex_init(&nullb_subsys.su_mutex); nullb_subsys 1798 drivers/block/null_blk_main.c ret = configfs_register_subsystem(&nullb_subsys); nullb_subsys 1835 drivers/block/null_blk_main.c configfs_unregister_subsystem(&nullb_subsys); nullb_subsys 1846 drivers/block/null_blk_main.c configfs_unregister_subsystem(&nullb_subsys);