DEFINE_CEPH_FEATURE_RETIRED(49, 1, OSD_PROXY_FEATURES, JEWEL, LUMINOUS) // overlap
DEFINE_CEPH_FEATURE(50, 1, MON_METADATA)
-DEFINE_CEPH_FEATURE(51, 1, OSD_BITWISE_HOBJ_SORT)
+DEFINE_CEPH_FEATURE_DEPRECATED(51, 1, OSD_BITWISE_HOBJ_SORT, MIMIC)
DEFINE_CEPH_FEATURE_DEPRECATED(52, 1, OSD_PROXY_WRITE_FEATURES, MIMIC)
DEFINE_CEPH_FEATURE_DEPRECATED(53, 1, ERASURE_CODE_PLUGINS_V3, MIMIC)
DEFINE_CEPH_FEATURE_DEPRECATED(54, 1, OSD_HITSET_GMT, MIMIC)
CEPH_FEATURE_MDS_QUOTA | \
CEPH_FEATURE_CRUSH_V4 | \
CEPH_FEATURE_MON_METADATA | \
- CEPH_FEATURE_OSD_BITWISE_HOBJ_SORT | \
+ DEPRECATED_CEPH_FEATURE_OSD_BITWISE_HOBJ_SORT | \
DEPRECATED_CEPH_FEATURE_ERASURE_CODE_PLUGINS_V3 | \
DEPRECATED_CEPH_FEATURE_OSD_PROXY_WRITE_FEATURES | \
DEPRECATED_CEPH_FEATURE_OSD_HITSET_GMT | \