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-rw-r--r--block/blk-wbt.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/block/blk-wbt.c b/block/blk-wbt.c
index b363b0532704..0ce0883df3d6 100644
--- a/block/blk-wbt.c
+++ b/block/blk-wbt.c
@@ -77,7 +77,8 @@ enum {
static inline bool rwb_enabled(struct rq_wb *rwb)
{
- return rwb && rwb->wb_normal != 0;
+ return rwb && rwb->enable_state != WBT_STATE_OFF_DEFAULT &&
+ rwb->wb_normal != 0;
}
static void wb_timestamp(struct rq_wb *rwb, unsigned long *var)
@@ -701,7 +702,7 @@ void wbt_disable_default(struct request_queue *q)
rwb = RQWB(rqos);
if (rwb->enable_state == WBT_STATE_ON_DEFAULT) {
blk_stat_deactivate(rwb->cb);
- rwb->wb_normal = 0;
+ rwb->enable_state = WBT_STATE_OFF_DEFAULT;
}
}
EXPORT_SYMBOL_GPL(wbt_disable_default);