crush: support new indep mode and SET_* steps (crush v2) by default

Add CRUSH_V2 feature (new indep mode and SET_* steps) to a set of
features supported by default.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>

include/linux/ceph/ceph_features.h

@@ -79,7 +79,8 @@ static inline u64 ceph_sanitize_features(u64 features)
 	 CEPH_FEATURE_CRUSH_TUNABLES |		\
 	 CEPH_FEATURE_CRUSH_TUNABLES2 |		\
 	 CEPH_FEATURE_REPLY_CREATE_INODE |	\
-	 CEPH_FEATURE_OSDHASHPSPOOL)
+	 CEPH_FEATURE_OSDHASHPSPOOL |		\
+	 CEPH_FEATURE_CRUSH_V2)
 
 #define CEPH_FEATURES_REQUIRED_DEFAULT   \
 	(CEPH_FEATURE_NOSRCADDR |	 \