From: Yufen Yu <yuyufen@huawei.com>
Date: Sun, 24 Mar 2019 09:57:08 +0000 (+0800)
Subject: blk-mq: update comment for blk_mq_hctx_has_pending()
X-Git-Tag: v5.1-rc3~26^2~6
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=85fae294e1a506b4213668716acb586bd6b4ae1e;p=uclinux-h8%2Flinux.git

blk-mq: update comment for blk_mq_hctx_has_pending()

For now, blk_mq_hctx_has_pending() checks any of ctx, hctx->dispatch
or io scheduler have pending work. So, update the comment accordingly.

Signed-off-by: Yufen Yu <yuyufen@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 70b210a308c4..28080b0235f0 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -59,7 +59,8 @@ static int blk_mq_poll_stats_bkt(const struct request *rq)
 }
 
 /*
- * Check if any of the ctx's have pending work in this hardware queue
+ * Check if any of the ctx, dispatch list or elevator
+ * have pending work in this hardware queue.
  */
 static bool blk_mq_hctx_has_pending(struct blk_mq_hw_ctx *hctx)
 {