From: Ming Lei <ming.lei@redhat.com>
Date: Sat, 14 Oct 2017 09:22:28 +0000 (+0800)
Subject: block: kyber: check if there are requests in ctx in kyber_has_work()
X-Git-Tag: v4.15~434^2~96
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=63ba8e31c3ac6393b07c6e18538814a730478766;p=mirror_ubuntu-bionic-kernel.git

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

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 <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c
index db5bfc6342d3..b4df317c2916 100644
--- 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)					\