DM_TABLE_LOAD_CMD 1682 drivers/md/dm-ioctl.c 		{DM_TABLE_LOAD_CMD, 0, table_load},
DM_TABLE_LOAD_CMD  263 include/uapi/linux/dm-ioctl.h #define DM_TABLE_LOAD    _IOWR(DM_IOCTL, DM_TABLE_LOAD_CMD, struct dm_ioctl)