319 static void ioctl_init(struct dm_ioctl *io, size_t dataSize, const char *name, unsigned flags)  in ioctl_init()  argument
321     memset(io, 0, dataSize);  in ioctl_init()
322     io->data_size = dataSize;  in ioctl_init()
323     io->data_start = sizeof(struct dm_ioctl);  in ioctl_init()
324     io->version[0] = 4;  in ioctl_init()
325     io->version[1] = 0;  in ioctl_init()
326     io->version[2] = 0;  in ioctl_init()
327     io->flags = flags;  in ioctl_init()
329         strncpy(io->name, name, sizeof(io->name));  in ioctl_init()
977   struct dm_ioctl *io;  in load_crypto_mapping_table()  local
983   io = (struct dm_ioctl *) buffer;  in load_crypto_mapping_table()
988   ioctl_init(io, DM_CRYPT_BUF_SIZE, name, 0);  in load_crypto_mapping_table()
989   io->target_count = 1;  in load_crypto_mapping_table()
1004     if (! ioctl(fd, DM_TABLE_LOAD, io)) {  in load_crypto_mapping_table()
1022     struct dm_ioctl *io;  in get_dm_crypt_version()  local
1026     io = (struct dm_ioctl *) buffer;  in get_dm_crypt_version()
1028     ioctl_init(io, DM_CRYPT_BUF_SIZE, name, 0);  in get_dm_crypt_version()
1030     if (ioctl(fd, DM_LIST_VERSIONS, io)) {  in get_dm_crypt_version()
1058   struct dm_ioctl *io;  in create_crypto_blk_dev()  local
1073   io = (struct dm_ioctl *) buffer;  in create_crypto_blk_dev()
1075   ioctl_init(io, DM_CRYPT_BUF_SIZE, name, 0);  in create_crypto_blk_dev()
1076   if (ioctl(fd, DM_DEV_CREATE, io)) {  in create_crypto_blk_dev()
1082   ioctl_init(io, DM_CRYPT_BUF_SIZE, name, 0);  in create_crypto_blk_dev()
1083   if (ioctl(fd, DM_DEV_STATUS, io)) {  in create_crypto_blk_dev()
1087   minor = (io->dev & 0xff) | ((io->dev >> 12) & 0xfff00);  in create_crypto_blk_dev()
1110   ioctl_init(io, DM_CRYPT_BUF_SIZE, name, 0);  in create_crypto_blk_dev()
1112   if (ioctl(fd, DM_DEV_SUSPEND, io)) {  in create_crypto_blk_dev()
1130   struct dm_ioctl *io;  in delete_crypto_blk_dev()  local
1138   io = (struct dm_ioctl *) buffer;  in delete_crypto_blk_dev()
1140   ioctl_init(io, DM_CRYPT_BUF_SIZE, name, 0);  in delete_crypto_blk_dev()
1141   if (ioctl(fd, DM_DEV_REMOVE, io)) {  in delete_crypto_blk_dev()