ceph: properly set snap follows for cap reconnect

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

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 86ff74424df4ae7633689bff0fb8a3ff27e185a1..e53437154cfe890c61efe1e59f3e5cdb13e7ef11 100644 (file)
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2882,7 +2882,7 @@ static int encode_caps_cb(struct inode *inode, struct ceph_cap *cap,
        }
 
        if (list_empty(&ci->i_cap_snaps)) {
-               snap_follows = 0;
+               snap_follows = ci->i_head_snapc ? ci->i_head_snapc->seq : 0;
        } else {
                struct ceph_cap_snap *capsnap =
                        list_first_entry(&ci->i_cap_snaps,