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-rw-r--r--block/blk-wbt.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/block/blk-wbt.h b/block/blk-wbt.h
index 7fe98638fff5..e3ea6e7e2900 100644
--- a/block/blk-wbt.h
+++ b/block/blk-wbt.h
@@ -96,6 +96,7 @@ void wbt_enable_default(struct request_queue *);
u64 wbt_get_min_lat(struct request_queue *q);
void wbt_set_min_lat(struct request_queue *q, u64 val);
+bool wbt_disabled(struct request_queue *);
void wbt_set_write_cache(struct request_queue *, bool);
@@ -127,6 +128,10 @@ static inline u64 wbt_default_latency_nsec(struct request_queue *q)
{
return 0;
}
+static inline bool wbt_disabled(struct request_queue *q)
+{
+ return true;
+}
#endif /* CONFIG_BLK_WBT */