diff options
| -rw-r--r-- | block/blk-throttle.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/block/blk-throttle.c b/block/blk-throttle.c index 847721dc2b2b..8e2349b17936 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -395,8 +395,9 @@ static void throtl_pd_init(struct blkg_policy_data *pd) * If on the default hierarchy, we switch to properly hierarchical * behavior where limits on a given throtl_grp are applied to the * whole subtree rather than just the group itself. e.g. If 16M - * read_bps limit is set on the root group, the whole system can't - * exceed 16M for the device. + * read_bps limit is set on a parent group, summary bps of + * parent group and its subtree groups can't exceed 16M for the + * device. * * If not on the default hierarchy, the broken flat hierarchy * behavior is retained where all throtl_grps are treated as if |