DM_DEV_CREATE_CMD 1675 drivers/md/dm-ioctl.c {DM_DEV_CREATE_CMD, IOCTL_FLAGS_NO_PARAMS | IOCTL_FLAGS_ISSUE_GLOBAL_EVENT, dev_create}, DM_DEV_CREATE_CMD 1824 drivers/md/dm-ioctl.c if (cmd == DM_DEV_CREATE_CMD) { DM_DEV_CREATE_CMD 255 include/uapi/linux/dm-ioctl.h #define DM_DEV_CREATE _IOWR(DM_IOCTL, DM_DEV_CREATE_CMD, struct dm_ioctl)