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Date: Fri, 16 Sep 2022 14:04:09 -0400 From: Mike Snitzer <snitzer@...hat.com> To: Pankaj Raghav <p.raghav@...sung.com> Cc: hch@....de, agk@...hat.com, damien.lemoal@...nsource.wdc.com, axboe@...nel.dk, snitzer@...nel.org, linux-kernel@...r.kernel.org, Johannes.Thumshirn@....com, linux-nvme@...ts.infradead.org, pankydev8@...il.com, matias.bjorling@....com, linux-block@...r.kernel.org, bvanassche@....org, gost.dev@...sung.com, dm-devel@...hat.com, hare@...e.de, jaegeuk@...nel.org, Damien Le Moal <damien.lemoal@....com> Subject: Re: [PATCH v13 13/13] dm: add power-of-2 target for zoned devices with non power-of-2 zone sizes On Fri, Sep 16 2022 at 1:57P -0400, Pankaj Raghav <p.raghav@...sung.com> wrote: > >> > >> Are you certain you shouldn't at least be exposing a different > >> logical_block_size to upper layers? > >> > > To be honest, I tested my patches in QEMU with 4k Logical block size and on > > a device with 4k LBA size. > > > > I did a quick test with 512B LBA size in QEMU, and I didn't see any > > failures when I ran my normal test suite. > > > > Do you see any problem with exposing the same LBA as the underlying device? > > > > Do you see any issues here? If not, I can send the next version with the > other two changes you suggested. That's fine, I just thought there might be special considerations needed. But if yo've tested it and upper layers work as expected then obviously my concern wasn't applicable. Thanks, Mike
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