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82861595 |
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10-Jun-2021 |
Kir Kolyshkin <kolyshkin@gmail.com> |
docs/cgroup-v1/blkio: update for 5.x kernels Commit bf382fb0bcef4 ("block: remove legacy IO schedulers", Oct 12 2018) removes the CFQ scheduler, together with blkio.weight and blkio.weight_device described in cgroup v1 documentation. Users are supposed to use the BFQ scheduler, which cgroup file for setting weight is blkio.bfq.weight, but there is no way to set per-device weight. Later, commit 795fe54c2a8 per-device weights for BFQ, meaning that blkio.bfq.weight and blkio.bfq.weight_device can be used in a way similar to the old CFQ cgroup interface. Yet, the cgroup v1 docs were never updated. Fix this: - use the new file names; - fix the range for weight (used to be 10..1000, now 1..1000); - link to BFQ scheduler docs. Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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23aa1648 |
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26-Jul-2019 |
Mauro Carvalho Chehab <mchehab+samsung@kernel.org> |
docs: cgroup-v1/blkio-controller.rst: remove a CFQ left over changeset fb5772cbfe48 ("blkio-controller.txt: Remove references to CFQ") removed cgroup references to CFQ, but it kept one left. Get rid of it. Fixes: fb5772cbfe48 ("blkio-controller.txt: Remove references to CFQ") Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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