libceph: support SERVER_JEWEL feature bits

Only MON_STATEFUL_SUB, really.  MON_ROUTE_OSDMAP and
OSDSUBOP_NO_SNAPCONTEXT are irrelevant.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

diff --git a/include/linux/ceph/ceph_features.h b/include/linux/ceph/ceph_features.h
index 89c68af485399d7429ea134d2b3ee7ba73a99bd2..78a58770e6e9480f78c8892c2f4ad4f599a15dad 100644 (file)
--- a/include/linux/ceph/ceph_features.h
+++ b/include/linux/ceph/ceph_features.h
@@ -199,6 +199,8 @@ DEFINE_CEPH_FEATURE_DEPRECATED(63, 1, RESERVED_BROKEN, LUMINOUS) // client-facin
         CEPH_FEATURE_MSGR_KEEPALIVE2 |         \
         CEPH_FEATURE_OSD_POOLRESEND |          \
         CEPH_FEATURE_CRUSH_V4 |                \
+        CEPH_FEATURE_SERVER_JEWEL |            \
+        CEPH_FEATURE_MON_STATEFUL_SUB |        \
         CEPH_FEATURE_CRUSH_TUNABLES5 |         \
         CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING)
 

diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index 250f11f786092d902b52da5af9a228d9786acf62..875675765531361fffa503707a9a98e4596664dd 100644 (file)
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -6,6 +6,7 @@
 #include <linux/random.h>
 #include <linux/sched.h>
 
+#include <linux/ceph/ceph_features.h>
 #include <linux/ceph/mon_client.h>
 #include <linux/ceph/libceph.h>
 #include <linux/ceph/debugfs.h>
@@ -297,6 +298,10 @@ static void handle_subscribe_ack(struct ceph_mon_client *monc,
 
        mutex_lock(&monc->mutex);
        if (monc->sub_renew_sent) {
+               /*
+                * This is only needed for legacy (infernalis or older)
+                * MONs -- see delayed_work().
+                */
                monc->sub_renew_after = monc->sub_renew_sent +
                                            (seconds >> 1) * HZ - 1;
                dout("%s sent %lu duration %d renew after %lu\n", __func__,
@@ -955,7 +960,8 @@ static void delayed_work(struct work_struct *work)
                        __validate_auth(monc);
                }
 
-               if (is_auth) {
+               if (is_auth &&
+                   !(monc->con.peer_features & CEPH_FEATURE_MON_STATEFUL_SUB)) {
                        unsigned long now = jiffies;
 
                        dout("%s renew subs? now %lu renew after %lu\n",