lkml.org 
[lkml]   [2019]   [Mar]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH V2 6/8] skd: use blk_mq_queue_tag_inflight_iter
Date
blk_mq_tagset_busy_iter is not safe that it could get stale request
in tags->rqs[]. Use blk_mq_queue_tag_inflight_iter here.

Signed-off-by: Jianchao Wang <jianchao.w.wang@oracle.com>
---
drivers/block/skd_main.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c
index 7d3ad6c..0213b19 100644
--- a/drivers/block/skd_main.c
+++ b/drivers/block/skd_main.c
@@ -395,7 +395,7 @@ static int skd_in_flight(struct skd_device *skdev)
{
int count = 0;

- blk_mq_tagset_busy_iter(&skdev->tag_set, skd_inc_in_flight, &count);
+ blk_mq_queue_tag_inflight_iter(skdev->queue, skd_inc_in_flight, &count);

return count;
}
@@ -1916,7 +1916,7 @@ static bool skd_recover_request(struct request *req, void *data, bool reserved)

static void skd_recover_requests(struct skd_device *skdev)
{
- blk_mq_tagset_busy_iter(&skdev->tag_set, skd_recover_request, skdev);
+ blk_mq_queue_tag_inflight_iter(skdev->queue, skd_recover_request, skdev);
}

static void skd_isr_msg_from_dev(struct skd_device *skdev)
--
2.7.4
\
 
 \ /
  Last update: 2019-03-25 06:48    [W:0.106 / U:0.152 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site