libceph: MOSDOpReply v7 encoding
Empty request_redirect_t (struct ceph_request_redirect in the kernel
client) is now encoded with a bool. NEW_OSDOPREPLY_ENCODING feature
bit overlaps with already supported CRUSH_TUNABLES5.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Sage Weil <sage@redhat.com>
diff --git a/include/linux/ceph/ceph_features.h b/include/linux/ceph/ceph_features.h
index c3b211c..c1ef6f1 100644
--- a/include/linux/ceph/ceph_features.h
+++ b/include/linux/ceph/ceph_features.h
@@ -73,6 +73,8 @@
#define CEPH_FEATURE_MON_STATEFUL_SUB (1ULL<<57) /* stateful mon subscription */
#define CEPH_FEATURE_MON_ROUTE_OSDMAP (1ULL<<57) /* peon sends osdmaps */
#define CEPH_FEATURE_CRUSH_TUNABLES5 (1ULL<<58) /* chooseleaf stable mode */
+// duplicated since it was introduced at the same time as CEPH_FEATURE_CRUSH_TUNABLES5
+#define CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING (1ULL<<58) /* New, v7 encoding */
/*
* The introduction of CEPH_FEATURE_OSD_SNAPMAPPER caused the feature
@@ -119,7 +121,8 @@
CEPH_FEATURE_OSD_PRIMARY_AFFINITY | \
CEPH_FEATURE_MSGR_KEEPALIVE2 | \
CEPH_FEATURE_CRUSH_V4 | \
- CEPH_FEATURE_CRUSH_TUNABLES5)
+ CEPH_FEATURE_CRUSH_TUNABLES5 | \
+ CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING)
#define CEPH_FEATURES_REQUIRED_DEFAULT \
(CEPH_FEATURE_NOSRCADDR | \