On 11/11/2016 10:47 AM, Jens Axboe wrote:
> I've been running into problems when stability testing my 4.10 branch,
Hello Jens,
Can you try the patch below instead of the revert?
Thanks,
Bart.
---
block/blk-mq.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index b7753ae..f047180 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1279,11 +1279,11 @@ static struct request *blk_mq_map_request(struct
request_queue *q,
return rq;
}
-static void blk_mq_try_issue_directly(struct blk_mq_hw_ctx *hctx,
- struct request *rq, blk_qc_t *cookie)
+static void blk_mq_try_issue_directly(struct request *rq, blk_qc_t *cookie)
{
int ret;
struct request_queue *q = rq->q;
+ struct blk_mq_hw_ctx *hctx = blk_mq_map_queue(q, rq->mq_ctx->cpu);
struct blk_mq_queue_data bd = {
.rq = rq,
.list = NULL,
@@ -1395,11 +1395,11 @@ static blk_qc_t blk_mq_make_request(struct
request_queue *q, struct bio *bio)
if (!(data.hctx->flags & BLK_MQ_F_BLOCKING)) {
rcu_read_lock();
- blk_mq_try_issue_directly(data.hctx, old_rq, &cookie);
+ blk_mq_try_issue_directly(old_rq, &cookie);
rcu_read_unlock();
} else {
srcu_idx = srcu_read_lock(&data.hctx->queue_rq_srcu);
- blk_mq_try_issue_directly(data.hctx, old_rq, &cookie);
+ blk_mq_try_issue_directly(old_rq, &cookie);
srcu_read_unlock(&data.hctx->queue_rq_srcu, srcu_idx);
}
goto done;
--
2.10.1
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