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| author | Yuwei Guan <ssawgyw@gmail.com> | 2022-11-10 19:26:22 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-12-15 05:11:59 -0700 |
| commit | 1eb206208b0f3f707c67134ef6ba394410effb67 (patch) | |
| tree | c1ac018cff90358e13b3db7fae4c65b0f7deed6d /block/bfq-iosched.h | |
| parent | 813e693023ba10da9e75067780f8378465bf27cc (diff) | |
| download | linux-1eb206208b0f3f707c67134ef6ba394410effb67.tar.bz2 | |
block, bfq: only do counting of pending-request for BFQ_GROUP_IOSCHED
The 'bfqd->num_groups_with_pending_reqs' is used when
CONFIG_BFQ_GROUP_IOSCHED is enabled, so let the variables and processes
take effect when CONFIG_BFQ_GROUP_IOSCHED is enabled.
Cc: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Yuwei Guan <Yuwei.Guan@zeekrlife.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20221110112622.389332-1-Yuwei.Guan@zeekrlife.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/bfq-iosched.h')
| -rw-r--r-- | block/bfq-iosched.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/block/bfq-iosched.h b/block/bfq-iosched.h index 9fa89577322d..41aa151ccc22 100644 --- a/block/bfq-iosched.h +++ b/block/bfq-iosched.h @@ -197,8 +197,10 @@ struct bfq_entity { /* flag, set to request a weight, ioprio or ioprio_class change */ int prio_changed; +#ifdef CONFIG_BFQ_GROUP_IOSCHED /* flag, set if the entity is counted in groups_with_pending_reqs */ bool in_groups_with_pending_reqs; +#endif /* last child queue of entity created (for non-leaf entities) */ struct bfq_queue *last_bfqq_created; @@ -491,6 +493,7 @@ struct bfq_data { */ struct rb_root_cached queue_weights_tree; +#ifdef CONFIG_BFQ_GROUP_IOSCHED /* * Number of groups with at least one process that * has at least one request waiting for completion. Note that @@ -538,6 +541,7 @@ struct bfq_data { * with no request waiting for completion. */ unsigned int num_groups_with_pending_reqs; +#endif /* * Per-class (RT, BE, IDLE) number of bfq_queues containing |