From 186e4f7a4b1883f3f46aa15366c0bcebc28fdda7 Mon Sep 17 00:00:00 2001 From: "Yan, Zheng" Date: Fri, 22 Nov 2013 14:48:37 +0800 Subject: ceph: handle session flush message Signed-off-by: Yan, Zheng --- fs/ceph/mds_client.c | 19 +++++++++++++++++++ fs/ceph/strings.c | 2 ++ 2 files changed, 21 insertions(+) (limited to 'fs/ceph') diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index 1fd655a..7c00dd5 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -1137,6 +1137,21 @@ static int send_renew_caps(struct ceph_mds_client *mdsc, return 0; } +static int send_flushmsg_ack(struct ceph_mds_client *mdsc, + struct ceph_mds_session *session, u64 seq) +{ + struct ceph_msg *msg; + + dout("send_flushmsg_ack to mds%d (%s)s seq %lld\n", + session->s_mds, session_state_name(session->s_state), seq); + msg = create_session_msg(CEPH_SESSION_FLUSHMSG_ACK, seq); + if (!msg) + return -ENOMEM; + ceph_con_send(&session->s_con, msg); + return 0; +} + + /* * Note new cap ttl, and any transition from stale -> not stale (fresh?). * @@ -2396,6 +2411,10 @@ static void handle_session(struct ceph_mds_session *session, trim_caps(mdsc, session, le32_to_cpu(h->max_caps)); break; + case CEPH_SESSION_FLUSHMSG: + send_flushmsg_ack(mdsc, session, seq); + break; + default: pr_err("mdsc_handle_session bad op %d mds%d\n", op, mds); WARN_ON(1); diff --git a/fs/ceph/strings.c b/fs/ceph/strings.c index 89fa4a9..4440f44 100644 --- a/fs/ceph/strings.c +++ b/fs/ceph/strings.c @@ -41,6 +41,8 @@ const char *ceph_session_op_name(int op) case CEPH_SESSION_RENEWCAPS: return "renewcaps"; case CEPH_SESSION_STALE: return "stale"; case CEPH_SESSION_RECALL_STATE: return "recall_state"; + case CEPH_SESSION_FLUSHMSG: return "flushmsg"; + case CEPH_SESSION_FLUSHMSG_ACK: return "flushmsg_ack"; } return "???"; } -- cgit v1.1