Start warning about exposing a namespace as multiple block devices,
and set a fixed deprecation release.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
del_gendisk(lo->lo_disk);
blk_cleanup_disk(lo->lo_disk);
blk_mq_free_tag_set(&lo->tag_set);
+
mutex_lock(&loop_ctl_mutex);
idr_remove(&loop_index_idr, lo->lo_number);
mutex_unlock(&loop_ctl_mutex);
nsid);
goto out_put_ns_head;
}
+
+ if (!multipath && !list_empty(&head->list)) {
+ dev_warn(ctrl->device,
+ "Found shared namespace %d, but multipathing not supported.\n",
+ nsid);
+ dev_warn_once(ctrl->device,
+ "Support for shared namespaces without CONFIG_NVME_MULTIPATH is deprecated and will be removed in Linux 6.0\n.");
+ }
}
list_add_tail_rcu(&ns->siblings, &head->list);