diff options
Diffstat (limited to 'block/blk-throttle.c')
| -rw-r--r-- | block/blk-throttle.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/block/blk-throttle.c b/block/blk-throttle.c index e6a087de414d..413e668249cf 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -1955,8 +1955,7 @@ static bool throtl_tg_can_downgrade(struct throtl_grp *tg) * If cgroup is below low limit, consider downgrade and throttle other * cgroups */ - if (time_after_eq(now, td->low_upgrade_time + td->throtl_slice) && - time_after_eq(now, tg_last_low_overflow_time(tg) + + if (time_after_eq(now, tg_last_low_overflow_time(tg) + td->throtl_slice) && (!throtl_tg_is_idle(tg) || !list_empty(&tg_to_blkg(tg)->blkcg->css.children))) @@ -1966,6 +1965,11 @@ static bool throtl_tg_can_downgrade(struct throtl_grp *tg) static bool throtl_hierarchy_can_downgrade(struct throtl_grp *tg) { + struct throtl_data *td = tg->td; + + if (time_before(jiffies, td->low_upgrade_time + td->throtl_slice)) + return false; + while (true) { if (!throtl_tg_can_downgrade(tg)) return false; |