On Fri, Sep 25, 2020 at 11:59 AM John Garry <john.garry@xxxxxxxxxx> wrote: > > On 25/09/2020 07:16, Viswas G wrote: > > From: Viswas G<Viswas.G@xxxxxxxxxxxxx> > > > > Increasing the number of Outstanding IOs from 256 to 1024. > > CCB and tag are allocated according to outstanding IOs. > > Also updating the can_queue value (max_out_io - PM8001_RESERVE_SLOT) > > to scsi midlayer. > > > > Signed-off-by: Viswas G<Viswas.G@xxxxxxxxxxxxx> > > Signed-off-by: Ruksar Devadi<Ruksar.devadi@xxxxxxxxxxxxx> > > Any reason you can't also use the request->tag (instead of generating > tags internally) for added performance boost? Many other LLDDs do this, > as managing tags has a performance overhead. > > Thanks, > John +1, I think the reason probably is easily compatible with the older kernel. For upstream one, it makes sense to switch to request->tag. Thanks!
