From: Keith Busch <kbusch@kernel.org>
Date: Wed, 7 Sep 2022 06:42:07 +0000 (+0200)
Subject: nvme-pci: move iod dma_len fill gaps
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=c4c22c52081385f026b430f35776f80073a22076;p=linux.git

nvme-pci: move iod dma_len fill gaps

The 32-bit field, dma_len, packs better in the iod struct above the
dma_addr_t on 64-bit systems.

Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---

diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index a553062ff3ba4..70b1922c8953f 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -230,8 +230,8 @@ struct nvme_iod {
 	bool aborted;
 	s8 nr_allocations;	/* PRP list pool allocations. 0 means small
 				   pool in use */
-	dma_addr_t first_dma;
 	unsigned int dma_len;	/* length of single DMA segment mapping */
+	dma_addr_t first_dma;
 	dma_addr_t meta_dma;
 	struct sg_table sgt;
 };