From: Keith Busch Date: Mon, 24 Oct 2022 18:57:45 +0000 (-0700) Subject: nvme-multipath: set queue dma alignment to 3 X-Git-Tag: v6.1-rc3~10^2~1^2 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fe8714b04fb137aa62e9a69424c48b5301b721b9;p=thirdparty%2Fkernel%2Flinux.git nvme-multipath: set queue dma alignment to 3 NVMe spec requires all transports support dword aligned addresses, which is already set in the namespace request_queue. Set the same limit in the multipath device's request_queue as well. Signed-off-by: Keith Busch Reviewed-by: Sagi Grimberg Reviewed-by: Chaitanya Kulkarni Signed-off-by: Christoph Hellwig --- diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c index 0ea7e441e080f..93e2138a8b427 100644 --- a/drivers/nvme/host/multipath.c +++ b/drivers/nvme/host/multipath.c @@ -516,6 +516,7 @@ int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl, struct nvme_ns_head *head) /* set to a default value of 512 until the disk is validated */ blk_queue_logical_block_size(head->disk->queue, 512); blk_set_stacking_limits(&head->disk->queue->limits); + blk_queue_dma_alignment(head->disk->queue, 3); /* we need to propagate up the VMC settings */ if (ctrl->vwc & NVME_CTRL_VWC_PRESENT)