This isn't quite correct, since the VWC merely states if a potential write back cache is volatile or not. But for the purpose of write absortion, it's good enough. Signed-off-by: Jens Axboe <axboe@xxxxxx> --- drivers/nvme/host/core.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 643f457131c2..05c8edfb7611 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -906,6 +906,7 @@ static void nvme_set_queue_limits(struct nvme_ctrl *ctrl, if (ctrl->vwc & NVME_CTRL_VWC_PRESENT) blk_queue_flush(q, REQ_FLUSH | REQ_FUA); blk_queue_virt_boundary(q, ctrl->page_size - 1); + blk_queue_write_cache(q, ctrl->vwc & NVME_CTRL_VWC_PRESENT); } /* -- 2.8.0.rc4.6.g7e4ba36 -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
