diff options
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/rbd.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 8875bebbacfc..77265710dd1a 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -2838,8 +2838,7 @@ static void rbd_free_disk(struct rbd_device *rbd_dev) 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 @@ static int rbd_obj_read_sync(struct rbd_device *rbd_dev, 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 @@ out: * 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 @@ rbd_dev_v1_header_read(struct rbd_device *rbd_dev, u64 *version) 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 @@ static int rbd_read_header(struct rbd_device *rbd_dev, 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); |