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authorChristoph Hellwig <hch@lst.de>2020-09-24 08:51:30 +0200
committerJens Axboe <axboe@kernel.dk>2020-09-24 13:43:38 -0600
commit5d4ce78b254cde8aaeb829420c3f15d3606ad411 (patch)
treec3a43bf00f4e29f0a654a9ec7bdb857114a36489 /drivers/md
parentb807a2c5e0e2e81c96160682977c6f497cfcee96 (diff)
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>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/bcache/super.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 1bbdc410ee3c..48113005ed86 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;