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Subject[PATCH 03/13] bcache: inherit the optimal I/O size
Date
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>
---
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
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