summaryrefslogtreecommitdiff
path: root/block/blk-wbt.c
diff options
context:
space:
mode:
Diffstat (limited to 'block/blk-wbt.c')
-rw-r--r--block/blk-wbt.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/block/blk-wbt.c b/block/blk-wbt.c
index 08623f37617f..880a41adde8f 100644
--- a/block/blk-wbt.c
+++ b/block/blk-wbt.c
@@ -704,9 +704,13 @@ void wbt_set_write_cache(struct request_queue *q, bool write_cache_on)
void wbt_enable_default(struct request_queue *q)
{
struct rq_qos *rqos = wbt_rq_qos(q);
+
/* Throttling already enabled? */
- if (rqos)
+ if (rqos) {
+ if (RQWB(rqos)->enable_state == WBT_STATE_OFF_DEFAULT)
+ RQWB(rqos)->enable_state = WBT_STATE_ON_DEFAULT;
return;
+ }
/* Queue not registered? Maybe shutting down... */
if (!blk_queue_registered(q))