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authorChengming Zhou <zhouchengming@bytedance.com>2020-07-30 12:03:21 +0300
committerJens Axboe <axboe@kernel.dk>2020-07-30 20:45:12 +0300
commitd9012a59db54442d5b2fcfdfcded35cf566397d3 (patch)
treee0ca1de20967be26d86cf71aa868e87195830029 /block/blk-iocost.c
parent0516c2f6ae6570a0c4a081189d71a48cfadc34a7 (diff)
downloadlinux-d9012a59db54442d5b2fcfdfcded35cf566397d3.tar.xz
iocost: Fix check condition of iocg abs_vdebt
We shouldn't skip iocg when its abs_vdebt is not zero. Fixes: 0b80f9866e6b ("iocost: protect iocg->abs_vdebt with iocg->waitq.lock") Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-iocost.c')
-rw-r--r--block/blk-iocost.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk-iocost.c b/block/blk-iocost.c
index cea5ee9be639..521c29b8ae29 100644
--- a/block/blk-iocost.c
+++ b/block/blk-iocost.c
@@ -1370,7 +1370,7 @@ static void ioc_timer_fn(struct timer_list *timer)
* should have woken up in the last period and expire idle iocgs.
*/
list_for_each_entry_safe(iocg, tiocg, &ioc->active_iocgs, active_list) {
- if (!waitqueue_active(&iocg->waitq) && iocg->abs_vdebt &&
+ if (!waitqueue_active(&iocg->waitq) && !iocg->abs_vdebt &&
!iocg_is_idle(iocg))
continue;