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authorYuwei Guan <ssawgyw@gmail.com>2022-11-10 19:26:22 +0800
committerJens Axboe <axboe@kernel.dk>2022-12-15 05:11:59 -0700
commit1eb206208b0f3f707c67134ef6ba394410effb67 (patch)
treec1ac018cff90358e13b3db7fae4c65b0f7deed6d /block/bfq-iosched.h
parent813e693023ba10da9e75067780f8378465bf27cc (diff)
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.h4
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