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Re: [PATCH 02/26] sd: move zone limits setup out of sd_read_block_characteristics
- To: Damien Le Moal <dlemoal@xxxxxxxxxx>
- From: Christoph Hellwig <hch@xxxxxx>
- Date: Wed, 12 Jun 2024 06:45:58 +0200
- Cc: Christoph Hellwig <hch@xxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>, Richard Weinberger <richard@xxxxxx>, Philipp Reisner <philipp.reisner@xxxxxxxxxx>, Lars Ellenberg <lars.ellenberg@xxxxxxxxxx>, Christoph Böhmwalder <christoph.boehmwalder@xxxxxxxxxx>, Josef Bacik <josef@xxxxxxxxxxxxxx>, Ming Lei <ming.lei@xxxxxxxxxx>, "Michael S. Tsirkin" <mst@xxxxxxxxxx>, Jason Wang <jasowang@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Alasdair Kergon <agk@xxxxxxxxxx>, Mike Snitzer <snitzer@xxxxxxxxxx>, Mikulas Patocka <mpatocka@xxxxxxxxxx>, Song Liu <song@xxxxxxxxxx>, Yu Kuai <yukuai3@xxxxxxxxxx>, Vineeth Vijayan <vneethv@xxxxxxxxxxxxx>, "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>, linux-m68k@xxxxxxxxxxxxxxxxxxxx, linux-um@xxxxxxxxxxxxxxxxxxx, drbd-dev@xxxxxxxxxxxxxxxx, nbd@xxxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, ceph-devel@xxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, linux-bcache@xxxxxxxxxxxxxxx, dm-devel@xxxxxxxxxxxxxxx, linux-raid@xxxxxxxxxxxxxxx, linux-mmc@xxxxxxxxxxxxxxx, linux-mtd@xxxxxxxxxxxxxxxxxxx, nvdimm@xxxxxxxxxxxxxxx, linux-nvme@xxxxxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx
- Delivery-date: Wed, 12 Jun 2024 04:46:25 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Tue, Jun 11, 2024 at 02:51:24PM +0900, Damien Le Moal wrote:
> > - if (!sd_is_zoned(sdkp))
> > + if (!sd_is_zoned(sdkp)) {
> > + lim->zoned = false;
>
> Maybe we should clear the other zone related limits here ? If the drive is
> reformatted/converted from SMR to CMR (FORMAT WITH PRESET), the other zone
> limits may be set already, no ?
Yes, but we would not end up here. The device type is constant over
the struct of the scsi_device and we'd have to fully reprobe it.
So we don't need to clear any flags, including the actual zoned flag
here.
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