We used to have this because getting the ctx meant disabling preemption,
but that hasn't been the case since commit c05f42206f4d.
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
---
block/blk-mq.c | 7 +------
1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index a12b1763508d..6a68e8a246dc 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -338,7 +338,6 @@ static struct request *blk_mq_get_request(struct request_queue *q,
struct elevator_queue *e = q->elevator;
struct request *rq;
unsigned int tag;
- bool clear_ctx_on_error = false;
u64 alloc_time_ns = 0;
blk_queue_enter_live(q);
@@ -348,10 +347,8 @@ static struct request *blk_mq_get_request(struct request_queue *q,
alloc_time_ns = ktime_get_ns();
data->q = q;
- if (likely(!data->ctx)) {
+ if (likely(!data->ctx))
data->ctx = blk_mq_get_ctx(q);
- clear_ctx_on_error = true;
- }
if (likely(!data->hctx))
data->hctx = blk_mq_map_queue(q, data->cmd_flags,
data->ctx);
@@ -376,8 +373,6 @@ static struct request *blk_mq_get_request(struct request_queue *q,
tag = blk_mq_get_tag(data);
if (tag == BLK_MQ_TAG_FAIL) {
- if (clear_ctx_on_error)
- data->ctx = NULL;
blk_queue_exit(q);
return NULL;
}
--
2.24.1
