ceph: track laggy state of mds from mdsmap
Signed-off-by: Sage Weil <sage@newdream.net>
diff --git a/fs/ceph/mdsmap.h b/fs/ceph/mdsmap.h
index eacc131..4c5cb08 100644
--- a/fs/ceph/mdsmap.h
+++ b/fs/ceph/mdsmap.h
@@ -13,6 +13,7 @@
struct ceph_entity_addr addr;
s32 state;
int num_export_targets;
+ bool laggy;
u32 *export_targets;
};
@@ -47,6 +48,13 @@
return m->m_info[w].state;
}
+static inline bool ceph_mdsmap_is_laggy(struct ceph_mdsmap *m, int w)
+{
+ if (w >= 0 && w < m->m_max_mds)
+ return m->m_info[w].laggy;
+ return false;
+}
+
extern int ceph_mdsmap_get_random_mds(struct ceph_mdsmap *m);
extern struct ceph_mdsmap *ceph_mdsmap_decode(void **p, void *end);
extern void ceph_mdsmap_destroy(struct ceph_mdsmap *m);