diff options
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/rbd.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 3d8342bd6b05..3a40b5f60810 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -5669,9 +5669,12 @@ out: } 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; @@ -5679,9 +5682,12 @@ static int _rbd_dev_v2_snap_features(struct rbd_device *rbd_dev, u64 snap_id, 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) @@ -5709,7 +5715,8 @@ static int _rbd_dev_v2_snap_features(struct rbd_device *rbd_dev, u64 snap_id, 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); } /* |