diff options
Diffstat (limited to 'block/blk-flush.c')
| -rw-r--r-- | block/blk-flush.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/block/blk-flush.c b/block/blk-flush.c index 71c7f520e040..6e1543c10493 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -283,13 +283,8 @@ static void blk_kick_flush(struct request_queue *q, struct blk_flush_queue *fq, if (fq->flush_pending_idx != fq->flush_running_idx || list_empty(pending)) return; - /* C2 and C3 - * - * For blk-mq + scheduling, we can risk having all driver tags - * assigned to empty flushes, and we deadlock if we are expecting - * other requests to make progress. Don't defer for that case. - */ - if (!list_empty(&fq->flush_data_in_flight) && q->elevator && + /* C2 and C3 */ + if (!list_empty(&fq->flush_data_in_flight) && time_before(jiffies, fq->flush_pending_since + FLUSH_PENDING_TIMEOUT)) return; |