Both ->start_time_ns and the RQF_IO_STAT are set when the request is allocated using blk_mq_alloc_request by dm-mpath in blk_mq_rq_ctx_init. The block layer also ensures ->start_time_ns is only set when actually needed.
Signed-off-by: Christoph Hellwig <[email protected]> --- drivers/md/dm-rq.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c index 2fcc9b7f391b3..8f6117342d322 100644 --- a/drivers/md/dm-rq.c +++ b/drivers/md/dm-rq.c @@ -307,10 +307,6 @@ static blk_status_t dm_dispatch_clone_request(struct request *clone, struct requ { blk_status_t r; - if (blk_queue_io_stat(clone->q)) - clone->rq_flags |= RQF_IO_STAT; - - clone->start_time_ns = ktime_get_ns(); r = blk_insert_cloned_request(clone); if (r != BLK_STS_OK && r != BLK_STS_RESOURCE && r != BLK_STS_DEV_RESOURCE) /* must complete clone in terms of original request */ -- 2.30.2 -- dm-devel mailing list [email protected] https://listman.redhat.com/mailman/listinfo/dm-devel
