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authorYu Kuai2023-01-17 15:08:03 +0800
committerJens Axboe2023-01-29 15:18:34 -0700
commit235a5a83f637e32646cd004c9b580decf1225566 (patch)
treec84b8330e382fe7cac8193b30e64fedeb12825cc /samples
parent7b7c5ae4402f810612e84c4ded7a302a61eeba59 (diff)
blk-iocost: don't allow to configure bio based device
iocost is based on rq_qos, which can only work for request based device, thus it doesn't make sense to configure iocost for bio based device. Signed-off-by: Yu Kuai <yukuai3@huawei.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Tejun Heo <tj@kernel.org> Link: https://lore.kernel.org/r/20230117070806.3857142-3-yukuai1@huaweicloud.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
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