[PATCH V10 4/8] block: kyber: check if there is request in ctx in kyber_has_work()
From: Ming Lei <hidden>
Date: 2017-10-14 09:23:10
Also in:
linux-scsi, lkml
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
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 <redacted> --- block/kyber-iosched.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c
index f58cab82105b..94df3ce99f2f 100644
--- a/block/kyber-iosched.c
+++ b/block/kyber-iosched.c@@ -641,7 +641,7 @@ 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) \
--
2.9.5