[PATCH 02/18] nvme: move struct nvme_iod to pci.c
Christoph Hellwig
hch at lst.de
Thu Oct 15 22:58:32 PDT 2015
This structure is specific to the PCIe driver internals and should be moved
to pci.c.
Signed-off-by: Christoph Hellwig <hch at lst.de>
Acked-by: Keith Busch <keith.busch at intel.com>
---
drivers/nvme/host/nvme.h | 17 -----------------
drivers/nvme/host/pci.c | 17 +++++++++++++++++
2 files changed, 17 insertions(+), 17 deletions(-)
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index c1f41bf..835941b 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -88,23 +88,6 @@ struct nvme_ns {
u32 mode_select_block_len;
};
-/*
- * The nvme_iod describes the data in an I/O, including the list of PRP
- * entries. You can't see it in this data structure because C doesn't let
- * me express that. Use nvme_alloc_iod to ensure there's enough space
- * allocated to store the PRP list.
- */
-struct nvme_iod {
- unsigned long private; /* For the use of the submitter of the I/O */
- int npages; /* In the PRP list. 0 means small pool in use */
- int offset; /* Of PRP list */
- int nents; /* Used in scatterlist */
- int length; /* Of data, in bytes */
- dma_addr_t first_dma;
- struct scatterlist meta_sg[1]; /* metadata requires single contiguous buffer */
- struct scatterlist sg[0];
-};
-
static inline u64 nvme_block_nr(struct nvme_ns *ns, sector_t sector)
{
return (sector >> (ns->lba_shift - 9));
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 2f05292..7e1b438 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -128,6 +128,23 @@ struct nvme_queue {
};
/*
+ * The nvme_iod describes the data in an I/O, including the list of PRP
+ * entries. You can't see it in this data structure because C doesn't let
+ * me express that. Use nvme_alloc_iod to ensure there's enough space
+ * allocated to store the PRP list.
+ */
+struct nvme_iod {
+ unsigned long private; /* For the use of the submitter of the I/O */
+ int npages; /* In the PRP list. 0 means small pool in use */
+ int offset; /* Of PRP list */
+ int nents; /* Used in scatterlist */
+ int length; /* Of data, in bytes */
+ dma_addr_t first_dma;
+ struct scatterlist meta_sg[1]; /* metadata requires single contiguous buffer */
+ struct scatterlist sg[0];
+};
+
+/*
* Check we didin't inadvertently grow the command struct
*/
static inline void _nvme_check_size(void)
--
1.9.1
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