block: kyber: check if there are requests in ctx in kyber_has_work()

Ming Lei · axboe · commit 63ba8e31c3ac · 2017-11-01T08:20:02.000-06:00
There may be request in sw queue, and not fetched to domain queue
yet, so check it in kyber_has_work().

Signed-off-by: Ming Lei &lt;ming.lei@redhat.com&gt;
Signed-off-by: Jens Axboe &lt;axboe@kernel.dk&gt;
diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c
@@ -649,7 +649,7 @@ static bool kyber_has_work(struct blk_mq_hw_ctx *hctx)
 		if (!list_empty_careful(&khd->rqs[i]))
 			return true;
 	}
-	return false;
+	return sbitmap_any_bit_set(&hctx->ctx_map);
 }
 
 #define KYBER_LAT_SHOW_STORE(op)					\

Original file line number	Diff line number	Diff line change
`@@ -649,7 +649,7 @@ static bool kyber_has_work(struct blk_mq_hw_ctx *hctx)`
`649`	`649`	`if (!list_empty_careful(&khd->rqs[i]))`
`650`	`650`	`return true;`
`651`	`651`	`}`
`652`		`- return false;`
	`652`	`+ return sbitmap_any_bit_set(&hctx->ctx_map);`
`653`	`653`	`}`
`654`	`654`
`655`	`655`	`#define KYBER_LAT_SHOW_STORE(op) \`