btrfs: zoned: print message when zone sanity check type fails

This extends patch 784daf2b ("btrfs: zoned: sanity check zone
type"), the message was supposed to be there but was lost during merge.
We want to make the error noticeable so add it.

Fixes: 784daf2b ("btrfs: zoned: sanity check zone type")
CC: stable@vger.kernel.org # 5.12+
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/zoned.c

@@ -1140,6 +1140,10 @@ int btrfs_load_block_group_zone_info(struct btrfs_block_group *cache, bool new)
 		}
 
 		if (zone.type == BLK_ZONE_TYPE_CONVENTIONAL) {
+			btrfs_err_in_rcu(fs_info,
+	"zoned: unexpected conventional zone %llu on device %s (devid %llu)",
+				zone.start << SECTOR_SHIFT,
+				rcu_str_deref(device->name), device->devid);
 			ret = -EIO;
 			goto out;
 		}