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Diffstat (limited to 'net/ceph/ceph_common.c')
-rw-r--r--net/ceph/ceph_common.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index 9cab80207ced..79eac465ec65 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -738,7 +738,6 @@ int __ceph_open_session(struct ceph_client *client, unsigned long started)
}
EXPORT_SYMBOL(__ceph_open_session);
-
int ceph_open_session(struct ceph_client *client)
{
int ret;
@@ -754,6 +753,23 @@ int ceph_open_session(struct ceph_client *client)
}
EXPORT_SYMBOL(ceph_open_session);
+int ceph_wait_for_latest_osdmap(struct ceph_client *client,
+ unsigned long timeout)
+{
+ u64 newest_epoch;
+ int ret;
+
+ ret = ceph_monc_get_version(&client->monc, "osdmap", &newest_epoch);
+ if (ret)
+ return ret;
+
+ if (client->osdc.osdmap->epoch >= newest_epoch)
+ return 0;
+
+ ceph_osdc_maybe_request_map(&client->osdc);
+ return ceph_monc_wait_osdmap(&client->monc, newest_epoch, timeout);
+}
+EXPORT_SYMBOL(ceph_wait_for_latest_osdmap);
static int __init init_ceph_lib(void)
{