diff options
Diffstat (limited to 'block/blk-flush.c')
| -rw-r--r-- | block/blk-flush.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/block/blk-flush.c b/block/blk-flush.c index 9288aaf35c2..9143e85226c 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -284,9 +284,8 @@ static void mq_flush_work(struct work_struct *work) q = container_of(work, struct request_queue, mq_flush_work); - /* We don't need set REQ_FLUSH_SEQ, it's for consistency */ rq = blk_mq_alloc_request(q, WRITE_FLUSH|REQ_FLUSH_SEQ, - __GFP_WAIT|GFP_ATOMIC, true); + __GFP_WAIT|GFP_ATOMIC, false); rq->cmd_type = REQ_TYPE_FS; rq->end_io = flush_end_io; @@ -408,8 +407,11 @@ void blk_insert_flush(struct request *rq) /* * @policy now records what operations need to be done. Adjust * REQ_FLUSH and FUA for the driver. + * We keep REQ_FLUSH for mq to track flush requests. For !FUA, + * we never dispatch the request directly. */ - rq->cmd_flags &= ~REQ_FLUSH; + if (rq->cmd_flags & REQ_FUA) + rq->cmd_flags &= ~REQ_FLUSH; if (!(fflags & REQ_FUA)) rq->cmd_flags &= ~REQ_FUA; |