[prev in list] [next in list] [prev in thread] [next in thread] 

List:       drbd-dev
Subject:    [Drbd-dev] [PATCH 03/13] bcache: inherit the optimal I/O size
From:       Christoph Hellwig <hch () lst ! de>
Date:       2020-09-24 6:51:30
Message-ID: 20200924065140.726436-4-hch () lst ! de
[Download RAW message or body]

Inherit the optimal I/O size setting just like the readahead window,
as any reason to do larger I/O does not apply to just readahead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Acked-by: Coly Li <colyli@suse.de>
---
 drivers/md/bcache/super.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 1bbdc410ee3c51..48113005ed86ad 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1430,6 +1430,8 @@ static int cached_dev_init(struct cached_dev *dc, unsigned int block_size)
 	dc->disk.disk->queue->backing_dev_info->ra_pages =
 		max(dc->disk.disk->queue->backing_dev_info->ra_pages,
 		    q->backing_dev_info->ra_pages);
+	blk_queue_io_opt(dc->disk.disk->queue,
+		max(queue_io_opt(dc->disk.disk->queue), queue_io_opt(q)));
 
 	atomic_set(&dc->io_errors, 0);
 	dc->io_disable = false;
-- 
2.28.0

_______________________________________________
drbd-dev mailing list
drbd-dev@lists.linbit.com
https://lists.linbit.com/mailman/listinfo/drbd-dev
[prev in list] [next in list] [prev in thread] [next in thread]