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-rw-r--r--block/blk-mq-debugfs.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 2a75bc7401df..4b66d2776eda 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -937,6 +937,21 @@ void blk_mq_debugfs_unregister_sched(struct request_queue *q)
q->sched_debugfs_dir = NULL;
}
+static const char *rq_qos_id_to_name(enum rq_qos_id id)
+{
+ switch (id) {
+ case RQ_QOS_WBT:
+ return "wbt";
+ case RQ_QOS_LATENCY:
+ return "latency";
+ case RQ_QOS_COST:
+ return "cost";
+ case RQ_QOS_IOPRIO:
+ return "ioprio";
+ }
+ return "unknown";
+}
+
void blk_mq_debugfs_unregister_rqos(struct rq_qos *rqos)
{
debugfs_remove_recursive(rqos->debugfs_dir);