Re: [RFC PATCH 4/8] blk-iocost: dispatch cost calculation to registered BPF model
- From
- Tejun Heo <tj@kernel.org>
- Date
- 2026-09-08 21:03:37
- Also in
- bpf, cgroups, linux-kselftest, lkml
- Reply to
- Tao Cui, 2026-09-08
Hello, Tao. On Tue, 08 Sep 2026 18:01:39 +0800, Tao Cui wrote:
quoted hunk ↗ jump to hunk
+ if (iocost_bpf_calc_cost(bio_op(bio), + bio->bi_iter.bi_size, + bio->bi_iter.bi_sector, + iocg->cursor, + iocg_to_blkg(iocg)->blkcg->css.id, + is_merge ? IOCOST_COST_F_MERGE : 0,
bio_op() drops REQ_PREFLUSH and REQ_FUA, and the flags argument only carries
merge status. Please preserve the operation flags.
Thanks.
--
tejun