block, bfq: support to track if bfqq has pending requests

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If entity belongs to bfqq, then entity->in_groups_with_pending_reqs
is not used currently. This patch use it to track if bfqq has pending
requests through callers of weights_tree insertion and removal.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Acked-by: Paolo Valente <paolo.valente@linaro.org>
Link: https://lore.kernel.org/r/20220916071942.214222-2-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Yu Kuai 2022-09-16 15:19:37 +08:00 • committed by Jens Axboe

parent 56c1ee9224

commit 3d89bd12d3

3 changed files with 25 additions and 2 deletions

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1

block/bfq-iosched.c

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2

block/bfq-iosched.h

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24

block/bfq-wf2q.c

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