Merge tag 'kvm-x86-misc-6.6' of https://github.com/kvm-x86/linux into HEAD
[platform/kernel/linux-rpi.git] / block / blk-iocost.c
index dd64e20..089fcb9 100644 (file)
@@ -3301,11 +3301,12 @@ static ssize_t ioc_qos_write(struct kernfs_open_file *of, char *input,
        if (qos[QOS_MIN] > qos[QOS_MAX])
                goto einval;
 
-       if (enable) {
+       if (enable && !ioc->enabled) {
                blk_stat_enable_accounting(disk->queue);
                blk_queue_flag_set(QUEUE_FLAG_RQ_ALLOC_TIME, disk->queue);
                ioc->enabled = true;
-       } else {
+       } else if (!enable && ioc->enabled) {
+               blk_stat_disable_accounting(disk->queue);
                blk_queue_flag_clear(QUEUE_FLAG_RQ_ALLOC_TIME, disk->queue);
                ioc->enabled = false;
        }