This extends patch 
784daf2b9628 ("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: 784daf2b9628 ("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>
 
                }
 
                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;
                }