scsi: block: remove bidi support

Unused now, and another field in struct request bites the dust.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

2 files changed, 0 insertions, 4 deletions

diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 90d68760af08..ac832547160a 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -115,7 +115,6 @@ static int queue_pm_only_show(void *data, struct seq_file *m)
 static const char *const blk_queue_flag_name[] = {
         QUEUE_FLAG_NAME(STOPPED),
         QUEUE_FLAG_NAME(DYING),
-        QUEUE_FLAG_NAME(BIDI),
         QUEUE_FLAG_NAME(NOMERGES),
         QUEUE_FLAG_NAME(SAME_COMP),
         QUEUE_FLAG_NAME(FAIL_IO),
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 502cbf964a3b..820d131a6893 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -339,7 +339,6 @@ static struct request *blk_mq_rq_ctx_init(struct blk_mq_alloc_data *data,
 
         rq->end_io = NULL;
         rq->end_io_data = NULL;
-        rq->next_rq = NULL;
 
         data->ctx->rq_dispatched[op_is_sync(op)]++;
         refcount_set(&rq->ref, 1);
@@ -549,8 +548,6 @@ inline void __blk_mq_end_request(struct request *rq, blk_status_t error)
                 rq_qos_done(rq->q, rq);
                 rq->end_io(rq, error);
         } else {
-                if (unlikely(blk_bidi_rq(rq)))
-                        blk_mq_free_request(rq->next_rq);
                 blk_mq_free_request(rq);
         }
 }