Commit 5d4ce78b authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe

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: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarJan Kara <jack@suse.cz>
Reviewed-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
Acked-by: default avatarColy Li <colyli@suse.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent b807a2c5
...@@ -1430,6 +1430,8 @@ static int cached_dev_init(struct cached_dev *dc, unsigned int block_size) ...@@ -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 = dc->disk.disk->queue->backing_dev_info->ra_pages =
max(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); 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); atomic_set(&dc->io_errors, 0);
dc->io_disable = false; dc->io_disable = false;
......
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