diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index 8b2aeba2e1e39..05881b7514797 100644
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -3195,11 +3195,11 @@ static ssize_t ioc_weight_write(struct kernfs_open_file *of, char *buf,
 			goto unprep;
 	}
 
-	spin_lock(&iocg->ioc->lock);
+	spin_lock_irq(&iocg->ioc->lock);
 	iocg->cfg_weight = v * WEIGHT_ONE;
 	ioc_now(iocg->ioc, &now);
 	weight_updated(iocg, &now);
-	spin_unlock(&iocg->ioc->lock);
+	spin_unlock_irq(&iocg->ioc->lock);
 
 	ret = 0;