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authorYu Kuai2022-09-16 15:19:38 +0800
committerJens Axboe2022-11-01 07:09:44 -0600
commit60a6e10c537a7459dd53882186bd16fff257fb03 (patch)
treed25f98c14b4a0cc2cca985944c56dc263f908e36 /block/bfq-iosched.h
parent3d89bd12d352e20f4f7c8f11a0f1a712b95a5295 (diff)
block, bfq: record how many queues have pending requests
Prepare to refactor the counting of 'num_groups_with_pending_reqs'. Add a counter in bfq_group, update it while tracking if bfqq have pending requests and when bfq_bfqq_move() is called. 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/20220916071942.214222-3-yukuai1@huaweicloud.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/bfq-iosched.h')
-rw-r--r--block/bfq-iosched.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/block/bfq-iosched.h b/block/bfq-iosched.h
index 42c910f2d50d..35b366eb702a 100644
--- a/block/bfq-iosched.h
+++ b/block/bfq-iosched.h
@@ -939,6 +939,7 @@ struct bfq_group {
struct bfq_entity *my_entity;
int active_entities;
+ int num_queues_with_pending_reqs;
struct rb_root rq_pos_tree;