Make sure that zoned writes (REQ_OP_WRITE and REQ_OP_WRITE_ZEROES) are submitted in LBA order. This patch does not affect REQ_OP_WRITE_APPEND requests. Cc: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx> Cc: Christoph Hellwig <hch@xxxxxx> Cc: Ming Lei <ming.lei@xxxxxxxxxx> Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx> --- block/mq-deadline.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/mq-deadline.c b/block/mq-deadline.c index 4a0a269db382..a73e16d3f8ac 100644 --- a/block/mq-deadline.c +++ b/block/mq-deadline.c @@ -796,7 +796,7 @@ static void dd_insert_request(struct blk_mq_hw_ctx *hctx, struct request *rq, trace_block_rq_insert(rq); - if (flags & BLK_MQ_INSERT_AT_HEAD) { + if ((flags & BLK_MQ_INSERT_AT_HEAD) && !blk_rq_is_seq_zoned_write(rq)) { list_add(&rq->queuelist, &per_prio->dispatch); rq->fifo_time = jiffies; } else {