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nvmet: zns: Do not reference the gendisk conv_zones_bitmap

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The gendisk conventional zone bitmap is going away. So to check for the
presence of conventional zones on a zoned target device, always use
report zones.

Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Tested-by: Hans Holmberg <hans.holmberg@wdc.com>
Tested-by: Dennis Maisenbacher <dennis.maisenbacher@wdc.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20240408014128.205141-19-dlemoal@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Damien Le Moal 2024-04-08 10:41:18 +09:00 committed by Jens Axboe
parent f4f84586c8
commit d2a9b5fdc1
1 changed files with 3 additions and 7 deletions
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10
drivers/nvme/target/zns.c
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@ -52,14 +52,10 @@ bool nvmet_bdev_zns_enable(struct nvmet_ns *ns)
if (get_capacity(bd_disk) & (bdev_zone_sectors(ns->bdev) - 1))
return false;
/*
* ZNS does not define a conventional zone type. If the underlying
* device has a bitmap set indicating the existence of conventional
* zones, reject the device. Otherwise, use report zones to detect if
* the device has conventional zones.
* ZNS does not define a conventional zone type. Use report zones
* to detect if the device has conventional zones and reject it if
* it does.
*/
if (ns->bdev->bd_disk->conv_zones_bitmap)
return false;
ret = blkdev_report_zones(ns->bdev, 0, bdev_nr_zones(ns->bdev),
validate_conv_zones_cb, NULL);
if (ret < 0)