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authorJens Axboe <axboe@kernel.dk>2023-08-08 20:03:28 +0300
committerJens Axboe <axboe@kernel.dk>2023-08-09 00:50:37 +0300
commitd74f714896fd6268882789ba28e52c9145951403 (patch)
tree0a7cfd8fa7ac398c2814c3517dfe251435aaa199 /block
parent95848dcb9d676738411a8ff70a9704039f1b3982 (diff)
downloadlinux-d74f714896fd6268882789ba28e52c9145951403.tar.xz
block: get rid of unused plug->nowait flag
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. Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r--block/blk-core.c6
1 files changed, 0 insertions, 6 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);
/*