DM_LIST_DEVICES_CMD 1673 drivers/md/dm-ioctl.c 		{DM_LIST_DEVICES_CMD, 0, list_devices},
DM_LIST_DEVICES_CMD 1820 drivers/md/dm-ioctl.c 	    cmd == DM_LIST_DEVICES_CMD ||
DM_LIST_DEVICES_CMD  253 include/uapi/linux/dm-ioctl.h #define DM_LIST_DEVICES  _IOWR(DM_IOCTL, DM_LIST_DEVICES_CMD, struct dm_ioctl)