Re: [PATCH 2/6] scsi: remove .for_blk_mq

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On 19/01/2020 07:14, Ming Lei wrote:
No one use it any more, so remove the flag.

Cc: Sathya Prakash <sathya.prakash@xxxxxxxxxxxx>
Cc: Chaitra P B <chaitra.basappa@xxxxxxxxxxxx>
Cc: Suganath Prabu Subramani <suganath-prabu.subramani@xxxxxxxxxxxx>
Cc: Kashyap Desai <kashyap.desai@xxxxxxxxxxxx>
Cc: Sumit Saxena <sumit.saxena@xxxxxxxxxxxx>
Cc: Shivasharan S <shivasharan.srikanteshwara@xxxxxxxxxxxx>
Cc: Ewan D. Milne <emilne@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>,
Cc: Hannes Reinecke <hare@xxxxxxx>
Cc: Bart Van Assche <bart.vanassche@xxxxxxx>
Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx>

I think that we can also delete drivers/scsi/scsi.c:scsi_use_blk_mq.

IIRC, a patch was already sent for that but never picked up.

Thanks,
John

---
  drivers/scsi/virtio_scsi.c | 1 -
  include/scsi/scsi_host.h   | 3 ---
  2 files changed, 4 deletions(-)

diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index bfec84aacd90..0e0910c5b942 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -742,7 +742,6 @@ static struct scsi_host_template virtscsi_host_template = {
  	.dma_boundary = UINT_MAX,
  	.map_queues = virtscsi_map_queues,
  	.track_queue_depth = 1,
-	.force_blk_mq = 1,
  };
#define virtscsi_config_get(vdev, fld) \
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index f577647bf5f2..7a97fb8104cf 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -426,9 +426,6 @@ struct scsi_host_template {
  	/* True if the controller does not support WRITE SAME */
  	unsigned no_write_same:1;
- /* True if the low-level driver supports blk-mq only */
-	unsigned force_blk_mq:1;
-
  	/*
  	 * Countdown for host blocking with no commands outstanding.
  	 */





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