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ceph: handle session flush message

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Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
This commit is contained in:
Yan, Zheng 2013-11-22 14:48:37 +08:00
parent 9215aeea62
commit 186e4f7a4b
3 changed files with 23 additions and 0 deletions
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19
fs/ceph/mds_client.c
View File

@ -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);

2
fs/ceph/strings.c
View File

@ -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 "???";
}

2
include/linux/ceph/ceph_fs.h
View File

@ -282,6 +282,8 @@ enum {
CEPH_SESSION_RENEWCAPS,
CEPH_SESSION_STALE,
CEPH_SESSION_RECALL_STATE,
CEPH_SESSION_FLUSHMSG,
CEPH_SESSION_FLUSHMSG_ACK,
};
extern const char *ceph_session_op_name(int op);