zbd: disallow pipes for zonemode=zbd

zoned block device support in fio cannot handle pipes,
so simply reject them and give a clear error message.

Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
1 file changed