Hello. On čtvrtek 5. srpna 2021 5:35:00 CEST Ming Lei wrote: > On Thu, Jul 29, 2021 at 11:42:26AM +0800, Ming Lei wrote: > > When merging one bio to request, if they are discard IO and the queue > > supports multi-range discard, we need to return ELEVATOR_DISCARD_MERGE > > because both block core and related drivers(nvme, virtio-blk) doesn't > > handle mixed discard io merge(traditional IO merge together with > > discard merge) well. > > > > Fix the issue by returning ELEVATOR_DISCARD_MERGE in this situation, > > so both blk-mq and drivers just need to handle multi-range discard. > > > > Reported-by: Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx> > > Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx> > > Hello Jens and Guys, > > Ping... Ping v2 here… I'm still running a couple of affected systems with this patch, and the issue doesn't pop up any more. Thanks. -- Oleksandr Natalenko (post-factum)
