DM_REMOVE_ALL_CMD 1672 drivers/md/dm-ioctl.c {DM_REMOVE_ALL_CMD, IOCTL_FLAGS_NO_PARAMS | IOCTL_FLAGS_ISSUE_GLOBAL_EVENT, remove_all}, DM_REMOVE_ALL_CMD 1819 drivers/md/dm-ioctl.c if (cmd == DM_REMOVE_ALL_CMD || DM_REMOVE_ALL_CMD 252 include/uapi/linux/dm-ioctl.h #define DM_REMOVE_ALL _IOWR(DM_IOCTL, DM_REMOVE_ALL_CMD, struct dm_ioctl)