[PATCH v6 18/28] nvmet: zns: Do not reference the gendisk conv_zones_bitmap

[Damien Le Moal]

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 at kernel.org>
Reviewed-by: Hannes Reinecke <hare at suse.de>
Reviewed-by: Christoph Hellwig <hch at lst.de>
Reviewed-by: Chaitanya Kulkarni <kch at nvidia.com>
Tested-by: Hans Holmberg <hans.holmberg at wdc.com>
---
 drivers/nvme/target/zns.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/nvme/target/zns.c b/drivers/nvme/target/zns.c
index 3148d9f1bde6..0021d06041c1 100644
--- a/drivers/nvme/target/zns.c
+++ b/drivers/nvme/target/zns.c
@@ -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)
-- 
2.44.0