Merge branch 'for-7.1/block' into for-next

* for-7.1/block:
  blk-wbt: remove WARN_ON_ONCE from wbt_init_enable_default()

Author: axboe

block/blk-wbt.c

@@ -782,10 +782,11 @@ void wbt_init_enable_default(struct gendisk *disk)
 		return;
 
 	rwb = wbt_alloc();
-	if (WARN_ON_ONCE(!rwb))
+	if (!rwb)
 		return;
 
-	if (WARN_ON_ONCE(wbt_init(disk, rwb))) {
+	if (wbt_init(disk, rwb)) {
+		pr_warn("%s: failed to enable wbt\n", disk->disk_name);
 		wbt_free(rwb);
 		return;
 	}