diff options
| -rw-r--r-- | block/bfq-iosched.c | 2 | ||||
| -rw-r--r-- | block/bfq-iosched.h | 9 |
2 files changed, 11 insertions, 0 deletions
diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index 37cc8f127cf6..ceb06abd73df 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -1028,6 +1028,7 @@ bfq_bfqq_resume_state(struct bfq_queue *bfqq, struct bfq_data *bfqd, else bfq_clear_bfqq_IO_bound(bfqq); + bfqq->entity.new_weight = bic->saved_weight; bfqq->ttime = bic->saved_ttime; bfqq->wr_coeff = bic->saved_wr_coeff; bfqq->wr_start_at_switch_to_srt = bic->saved_wr_start_at_switch_to_srt; @@ -2502,6 +2503,7 @@ static void bfq_bfqq_save_state(struct bfq_queue *bfqq) if (!bic) return; + bic->saved_weight = bfqq->entity.orig_weight; bic->saved_ttime = bfqq->ttime; bic->saved_has_short_ttime = bfq_bfqq_has_short_ttime(bfqq); bic->saved_IO_bound = bfq_bfqq_IO_bound(bfqq); diff --git a/block/bfq-iosched.h b/block/bfq-iosched.h index 67e63c276c7a..60c148728cc5 100644 --- a/block/bfq-iosched.h +++ b/block/bfq-iosched.h @@ -405,6 +405,15 @@ struct bfq_io_cq { bool was_in_burst_list; /* + * Save the weight when a merge occurs, to be able + * to restore it in case of split. If the weight is not + * correctly resumed when the queue is recycled, + * then the weight of the recycled queue could differ + * from the weight of the original queue. + */ + unsigned int saved_weight; + + /* * Similar to previous fields: save wr information. */ unsigned long saved_wr_coeff; |