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authorChengming Zhou <zhouchengming@bytedance.com>2023-09-13 15:16:15 +0000
committerJens Axboe <axboe@kernel.dk>2023-09-22 08:52:13 -0600
commit217b613a53d3a430aa2e5d1523819dc271f02ff0 (patch)
tree0f5fd4caece6578b8981ff613110f75034892498 /block/blk-mq.h
parent434097ee375fff36bc5037524609ffd6199f11da (diff)
blk-mq: update driver tags request table when start request
Now we update driver tags request table in blk_mq_get_driver_tag(), so the driver that support queue_rqs() have to update that inflight table by itself. Move it to blk_mq_start_request(), which is a better place where we setup the deadline for request timeout check. And it's just where the request becomes inflight. Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Link: https://lore.kernel.org/r/20230913151616.3164338-5-chengming.zhou@linux.dev Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq.h')
-rw-r--r--block/blk-mq.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/block/blk-mq.h b/block/blk-mq.h
index 560a76df290a..f75a9ecfebde 100644
--- a/block/blk-mq.h
+++ b/block/blk-mq.h
@@ -351,12 +351,9 @@ bool __blk_mq_alloc_driver_tag(struct request *rq);
static inline bool blk_mq_get_driver_tag(struct request *rq)
{
- struct blk_mq_hw_ctx *hctx = rq->mq_hctx;
-
if (rq->tag == BLK_MQ_NO_TAG && !__blk_mq_alloc_driver_tag(rq))
return false;
- hctx->tags->rqs[rq->tag] = rq;
return true;
}