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79c6c60a6c
ioprio works on the blk-cgroup level, all disks in the same cgroup are the same, and the struct ioprio_blkg doesn't have anything in it. Hence register the policy is enough, because cpd_alloc/free_fn will be handled for each blk-cgroup, and there is no need to activate the policy for disk. Hence remove blk_ioprio_init/exit and ioprio_alloc/free_pd. Signed-off-by: Yu Kuai <yukuai3@huawei.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Tejun Heo <tj@kernel.org> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Link: https://lore.kernel.org/r/20240719071506.158075-4-yukuai1@huaweicloud.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
20 lines
321 B
C
20 lines
321 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _BLK_IOPRIO_H_
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#define _BLK_IOPRIO_H_
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#include <linux/kconfig.h>
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struct request_queue;
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struct bio;
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#ifdef CONFIG_BLK_CGROUP_IOPRIO
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void blkcg_set_ioprio(struct bio *bio);
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#else
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static inline void blkcg_set_ioprio(struct bio *bio)
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{
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}
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#endif
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#endif /* _BLK_IOPRIO_H_ */
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