Messages in this thread | | | Date | Tue, 1 Aug 2023 20:58:22 +0800 | From | Ming Lei <> | Subject | Re: [PATCH v9 2/2] ublk: enable zoned storage support |
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On Tue, Aug 01, 2023 at 02:11:56PM +0200, Andreas Hindborg (Samsung) wrote: > > Niklas Cassel <Niklas.Cassel@wdc.com> writes: > > > On Fri, Jul 14, 2023 at 09:25:10AM +0200, Andreas Hindborg wrote: > >> From: Andreas Hindborg <a.hindborg@samsung.com> > > > > Hello Andreas! > > > > <snip> > > >> /* for READ request, writing data in iod->addr to rq buffers */ > >> @@ -1120,6 +1404,11 @@ static void ublk_commit_completion(struct ublk_device *ub, > >> /* find the io request and complete */ > >> req = blk_mq_tag_to_rq(ub->tag_set.tags[qid], tag); > >> > >> + if (io->flags & UBLK_IO_FLAG_ZONE_APPEND) { > > > > Do we really need to introduce a completely new flag just for this? > > > > if (req_op(req) == REQ_OP_ZONE_APPEND) > > > > should work just as well, no? > > Makes sense, thanks.
The above one can be replaced with req_op().
But extra cost is added when retrieving request for the check in __ublk_ch_uring_cmd().
Thanks, Ming
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