rbd: get rid of some version parameters
Several functions in rbd have parameters meant to allow the version
of an object to be passed in or out. The purpose of those was to
allow the version of a header object to be maintained, but we no
longer do that. As a result, these parameters are never actually
needed or used, so get rid of them.
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 8875beb..7726571 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -2838,8 +2838,7 @@
static int rbd_obj_read_sync(struct rbd_device *rbd_dev,
const char *object_name,
- u64 offset, u64 length,
- void *buf, u64 *version)
+ u64 offset, u64 length, void *buf)
{
struct ceph_osd_client *osdc = &rbd_dev->rbd_client->client->osdc;
@@ -2890,10 +2889,8 @@
rbd_assert(obj_request->xferred <= (u64) SIZE_MAX);
size = (size_t) obj_request->xferred;
ceph_copy_from_page_vector(pages, buf, 0, size);
- rbd_assert(size <= (size_t) INT_MAX);
- ret = (int) size;
- if (version)
- *version = obj_request->version;
+ rbd_assert(size <= (size_t)INT_MAX);
+ ret = (int)size;
out:
if (obj_request)
rbd_obj_request_put(obj_request);
@@ -2914,7 +2911,7 @@
* Returns a pointer-coded errno if a failure occurs.
*/
static struct rbd_image_header_ondisk *
-rbd_dev_v1_header_read(struct rbd_device *rbd_dev, u64 *version)
+rbd_dev_v1_header_read(struct rbd_device *rbd_dev)
{
struct rbd_image_header_ondisk *ondisk = NULL;
u32 snap_count = 0;
@@ -2942,7 +2939,7 @@
return ERR_PTR(-ENOMEM);
ret = rbd_obj_read_sync(rbd_dev, rbd_dev->header_name,
- 0, size, ondisk, version);
+ 0, size, ondisk);
if (ret < 0)
goto out_err;
if ((size_t)ret < size) {
@@ -2977,10 +2974,9 @@
struct rbd_image_header *header)
{
struct rbd_image_header_ondisk *ondisk;
- u64 ver = 0;
int ret;
- ondisk = rbd_dev_v1_header_read(rbd_dev, &ver);
+ ondisk = rbd_dev_v1_header_read(rbd_dev);
if (IS_ERR(ondisk))
return PTR_ERR(ondisk);
ret = rbd_header_from_disk(header, ondisk);