From 3a5e02ced11e22ecd9da3d6710afe15bcfee1d10 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Sun, 5 Jun 2016 14:32:23 -0500 Subject: block, drivers: add REQ_OP_FLUSH operation This adds a REQ_OP_FLUSH operation that is sent to request_fn based drivers by the block layer's flush code, instead of sending requests with the request->cmd_flags REQ_FLUSH bit set. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: Hannes Reinecke Signed-off-by: Jens Axboe --- drivers/md/dm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/md/dm.c') diff --git a/drivers/md/dm.c b/drivers/md/dm.c index f6b104c77b6d..fcc68c8edba0 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -2171,7 +2171,7 @@ static void dm_request_fn(struct request_queue *q) /* always use block 0 to find the target for flushes for now */ pos = 0; - if (!(rq->cmd_flags & REQ_FLUSH)) + if (req_op(rq) != REQ_OP_FLUSH) pos = blk_rq_pos(rq); if ((dm_request_peeked_before_merge_deadline(md) && -- cgit v1.2.3