Commit 5d4ce78b authored Sep 24, 2020 by Christoph Hellwig Committed by Jens Axboe Sep 24, 2020

bcache: inherit the optimal I/O size



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>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: Coly Li <colyli@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent b807a2c5

drivers/md/bcache/super.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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;