ocfs2: Better tracking for recovery state changes
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index 8a3f017..ee0860b 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -115,12 +115,31 @@
return c;
}
+static inline void dlm_set_reco_dead_node(struct dlm_ctxt *dlm,
+ u8 dead_node)
+{
+ assert_spin_locked(&dlm->spinlock);
+ if (dlm->reco.dead_node != dead_node)
+ mlog(0, "%s: changing dead_node from %u to %u\n",
+ dlm->name, dlm->reco.dead_node, dead_node);
+ dlm->reco.dead_node = dead_node;
+}
+
+static inline void dlm_set_reco_master(struct dlm_ctxt *dlm,
+ u8 master)
+{
+ assert_spin_locked(&dlm->spinlock);
+ mlog(0, "%s: changing new_master from %u to %u\n",
+ dlm->name, dlm->reco.new_master, master);
+ dlm->reco.new_master = master;
+}
+
static inline void dlm_reset_recovery(struct dlm_ctxt *dlm)
{
spin_lock(&dlm->spinlock);
clear_bit(dlm->reco.dead_node, dlm->recovery_map);
- dlm->reco.dead_node = O2NM_INVALID_NODE_NUM;
- dlm->reco.new_master = O2NM_INVALID_NODE_NUM;
+ dlm_set_reco_dead_node(dlm, O2NM_INVALID_NODE_NUM);
+ dlm_set_reco_master(dlm, O2NM_INVALID_NODE_NUM);
spin_unlock(&dlm->spinlock);
}
@@ -341,7 +360,7 @@
mlog(0, "new master %u died while recovering %u!\n",
dlm->reco.new_master, dlm->reco.dead_node);
/* unset the new_master, leave dead_node */
- dlm->reco.new_master = O2NM_INVALID_NODE_NUM;
+ dlm_set_reco_master(dlm, O2NM_INVALID_NODE_NUM);
}
/* select a target to recover */
@@ -350,14 +369,14 @@
bit = find_next_bit (dlm->recovery_map, O2NM_MAX_NODES+1, 0);
if (bit >= O2NM_MAX_NODES || bit < 0)
- dlm->reco.dead_node = O2NM_INVALID_NODE_NUM;
+ dlm_set_reco_dead_node(dlm, O2NM_INVALID_NODE_NUM);
else
- dlm->reco.dead_node = bit;
+ dlm_set_reco_dead_node(dlm, bit);
} else if (!test_bit(dlm->reco.dead_node, dlm->recovery_map)) {
/* BUG? */
mlog(ML_ERROR, "dead_node %u no longer in recovery map!\n",
dlm->reco.dead_node);
- dlm->reco.dead_node = O2NM_INVALID_NODE_NUM;
+ dlm_set_reco_dead_node(dlm, O2NM_INVALID_NODE_NUM);
}
if (dlm->reco.dead_node == O2NM_INVALID_NODE_NUM) {
@@ -2089,7 +2108,7 @@
/* set the new_master to this node */
spin_lock(&dlm->spinlock);
- dlm->reco.new_master = dlm->node_num;
+ dlm_set_reco_master(dlm, dlm->node_num);
spin_unlock(&dlm->spinlock);
}
@@ -2254,8 +2273,8 @@
"node %u changing it to %u\n", dlm->name,
dlm->reco.dead_node, br->node_idx, br->dead_node);
}
- dlm->reco.new_master = br->node_idx;
- dlm->reco.dead_node = br->dead_node;
+ dlm_set_reco_master(dlm, br->node_idx);
+ dlm_set_reco_dead_node(dlm, br->dead_node);
if (!test_bit(br->dead_node, dlm->recovery_map)) {
mlog(0, "recovery master %u sees %u as dead, but this "
"node has not yet. marking %u as dead\n",