On 9/26/22 8:37 AM, Christoph Hellwig wrote: > On Sun, Sep 25, 2022 at 08:53:46PM +0200, Pankaj Raghav wrote: >> Modify blk_mq_plug() to allow plugging only for read operations in zoned >> block devices as there are alternative IO paths in the linux block >> layer which can end up doing a write via driver private requests in >> sequential write zones. > > We should be able to plug for all operations that are not > REQ_OP_ZONE_APPEND just fine. Agree, I think we just want to make this about someone doing a series of appends. If you mix-and-match with passthrough you will have a bad time anyway. -- Jens Axboe
