465 static void ioctl_init(struct dm_ioctl *io, size_t dataSize, const char *name, unsigned flags)  in ioctl_init()  argument
467     memset(io, 0, dataSize);  in ioctl_init()
468     io->data_size = dataSize;  in ioctl_init()
469     io->data_start = sizeof(struct dm_ioctl);  in ioctl_init()
470     io->version[0] = 4;  in ioctl_init()
471     io->version[1] = 0;  in ioctl_init()
472     io->version[2] = 0;  in ioctl_init()
473     io->flags = flags;  in ioctl_init()
475         strlcpy(io->name, name, sizeof(io->name));  in ioctl_init()
1067   struct dm_ioctl *io;  in load_crypto_mapping_table()  local
1073   io = (struct dm_ioctl *) buffer;  in load_crypto_mapping_table()
1078   ioctl_init(io, DM_CRYPT_BUF_SIZE, name, 0);  in load_crypto_mapping_table()
1079   io->target_count = 1;  in load_crypto_mapping_table()
1103     if (! ioctl(fd, DM_TABLE_LOAD, io)) {  in load_crypto_mapping_table()
1121     struct dm_ioctl *io;  local
1124     io = (struct dm_ioctl *) buffer;
1126     ioctl_init(io, DM_CRYPT_BUF_SIZE, name, 0);
1128     if (ioctl(fd, DM_LIST_VERSIONS, io)) {
1158   struct dm_ioctl *io;  local
1172   io = (struct dm_ioctl *) buffer;
1174   ioctl_init(io, DM_CRYPT_BUF_SIZE, name, 0);
1175   err = ioctl(fd, DM_DEV_CREATE, io);
1182   ioctl_init(io, DM_CRYPT_BUF_SIZE, name, 0);
1183   if (ioctl(fd, DM_DEV_STATUS, io)) {
1187   minor = (io->dev & 0xff) | ((io->dev >> 12) & 0xfff00);
1210   ioctl_init(io, DM_CRYPT_BUF_SIZE, name, 0);
1212   if (ioctl(fd, DM_DEV_SUSPEND, io)) {
1230   struct dm_ioctl *io;  local
1238   io = (struct dm_ioctl *) buffer;
1240   ioctl_init(io, DM_CRYPT_BUF_SIZE, name, 0);
1241   if (ioctl(fd, DM_DEV_REMOVE, io)) {