[PATCH V2 6/8] skd: use blk_mq_queue_tag_inflight_iter

Jianchao Wang
2019-03-25T05:47:50Z

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