}
static int _rbd_dev_v2_snap_features(struct rbd_device *rbd_dev, u64 snap_id,
- u64 *snap_features)
+ bool read_only, u64 *snap_features)
{
- __le64 snapid = cpu_to_le64(snap_id);
+ struct {
+ __le64 snap_id;
+ u8 read_only;
+ } features_in;
struct {
__le64 features;
__le64 incompat;
u64 unsup;
int ret;
+ features_in.snap_id = cpu_to_le64(snap_id);
+ features_in.read_only = read_only;
+
ret = rbd_obj_method_sync(rbd_dev, &rbd_dev->header_oid,
&rbd_dev->header_oloc, "get_features",
- &snapid, sizeof(snapid),
+ &features_in, sizeof(features_in),
&features_buf, sizeof(features_buf));
dout("%s: rbd_obj_method_sync returned %d\n", __func__, ret);
if (ret < 0)
static int rbd_dev_v2_features(struct rbd_device *rbd_dev)
{
return _rbd_dev_v2_snap_features(rbd_dev, CEPH_NOSNAP,
- &rbd_dev->header.features);
+ rbd_is_ro(rbd_dev),
+ &rbd_dev->header.features);
}
/*