DM_VERSION_CMD   1671 drivers/md/dm-ioctl.c 		{DM_VERSION_CMD, 0, NULL}, /* version is dealt with elsewhere */
DM_VERSION_CMD   1872 drivers/md/dm-ioctl.c 	if (cmd == DM_VERSION_CMD)
DM_VERSION_CMD    251 include/uapi/linux/dm-ioctl.h #define DM_VERSION       _IOWR(DM_IOCTL, DM_VERSION_CMD, struct dm_ioctl)