ceph: split large reconnect into multiple messages

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 0d3264cf3334..4f962642fee4 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -21,11 +21,13 @@
 #define CEPHFS_FEATURE_REPLY_ENCODING   9
 #define CEPHFS_FEATURE_RECLAIM_CLIENT   10
 #define CEPHFS_FEATURE_LAZY_CAP_WANTED  11
+#define CEPHFS_FEATURE_MULTI_RECONNECT  12
 
 #define CEPHFS_FEATURES_CLIENT_SUPPORTED {      \
         0, 1, 2, 3, 4, 5, 6, 7,                 \
         CEPHFS_FEATURE_MIMIC,                   \
         CEPHFS_FEATURE_LAZY_CAP_WANTED,         \
+        CEPHFS_FEATURE_MULTI_RECONNECT,         \
 }
 #define CEPHFS_FEATURES_CLIENT_REQUIRED {}
 
@@ -342,6 +344,7 @@ struct ceph_mds_client {
         struct rw_semaphore     snap_rwsem;
         struct rb_root          snap_realms;
         struct list_head        snap_empty;
+        int                     num_snap_realms;
         spinlock_t              snap_empty_lock;  /* protect snap_empty */
 
         u64                    last_tid;      /* most recent mds request */