DM_TABLE_STATUS_CMD 1685 drivers/md/dm-ioctl.c 		{DM_TABLE_STATUS_CMD, 0, table_status},
DM_TABLE_STATUS_CMD  266 include/uapi/linux/dm-ioctl.h #define DM_TABLE_STATUS  _IOWR(DM_IOCTL, DM_TABLE_STATUS_CMD, struct dm_ioctl)