This was introduced to add a plug based way of signaling nowait issues,
but we have since moved on from that. Kill the old dead code, nobody is
setting it anymore.
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
---
block/blk-core.c | 6 ------
include/linux/blkdev.h | 1 -
2 files changed, 7 deletions(-)
diff --git a/block/blk-core.c b/block/blk-core.c
index 90de50082146..9866468c72a2 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -722,14 +722,9 @@ void submit_bio_noacct(struct bio *bio)
struct block_device *bdev = bio->bi_bdev;
struct request_queue *q = bdev_get_queue(bdev);
blk_status_t status = BLK_STS_IOERR;
- struct blk_plug *plug;
might_sleep();
- plug = blk_mq_plug(bio);
- if (plug && plug->nowait)
- bio->bi_opf |= REQ_NOWAIT;
-
/*
* For a REQ_NOWAIT based request, return -EOPNOTSUPP
* if queue does not support NOWAIT.
@@ -1059,7 +1054,6 @@ void blk_start_plug_nr_ios(struct blk_plug *plug, unsigned short nr_ios)
plug->rq_count = 0;
plug->multiple_queues = false;
plug->has_elevator = false;
- plug->nowait = false;
INIT_LIST_HEAD(&plug->cb_list);
/*
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index ed44a997f629..87d94be7825a 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -969,7 +969,6 @@ struct blk_plug {
bool multiple_queues;
bool has_elevator;
- bool nowait;
struct list_head cb_list; /* md requires an unplug callback */
};
--
2.40.1
