ocfs2: better mle debugging

Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

1 files changed, 28 insertions, 5 deletions

diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index f1fbf2f4e5d6..d1c85f10c634 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -130,15 +130,30 @@ static inline int dlm_mle_equal(struct dlm_ctxt *dlm,
 #if 0
 /* Code here is included but defined out as it aids debugging */
 
+#define dlm_print_nodemap(m)  _dlm_print_nodemap(m,#m)
+void _dlm_print_nodemap(unsigned long *map, const char *mapname)
+{
+        int i;
+        printk("%s=[ ", mapname);
+        for (i=0; i<O2NM_MAX_NODES; i++)
+                if (test_bit(i, map))
+                        printk("%d ", i);
+        printk("]");
+}
+
 void dlm_print_one_mle(struct dlm_master_list_entry *mle)
 {
-        int i = 0, refs;
+        int refs;
         char *type;
         char attached;
         u8 master;
         unsigned int namelen;
         const char *name;
         struct kref *k;
+        unsigned long *maybe = mle->maybe_map,
+                      *vote = mle->vote_map,
+                      *resp = mle->response_map,
+                      *node = mle->node_map;
 
         k = &mle->mle_refs;
         if (mle->type == DLM_MLE_BLOCK)
@@ -159,9 +174,18 @@ void dlm_print_one_mle(struct dlm_master_list_entry *mle)
                 name = mle->u.res->lockname.name;
         }
 
-        mlog(ML_NOTICE, "  #%3d: %3s  %3d  %3u   %3u %c    (%d)%.*s\n",
-                  i, type, refs, master, mle->new_master, attached,
-                  namelen, namelen, name);
+        mlog(ML_NOTICE, "%.*s: %3s refs=%3d mas=%3u new=%3u evt=%c inuse=%d ",
+                  namelen, name, type, refs, master, mle->new_master, attached,
+                  mle->inuse);
+        dlm_print_nodemap(maybe);
+        printk(", ");
+        dlm_print_nodemap(vote);
+        printk(", ");
+        dlm_print_nodemap(resp);
+        printk(", ");
+        dlm_print_nodemap(node);
+        printk(", ");
+        printk("\n");
 }
 
 static void dlm_dump_mles(struct dlm_ctxt *dlm)
@@ -170,7 +194,6 @@ static void dlm_dump_mles(struct dlm_ctxt *dlm)
         struct list_head *iter;
         
         mlog(ML_NOTICE, "dumping all mles for domain %s:\n", dlm->name);
-        mlog(ML_NOTICE, "  ####: type refs owner new events? lockname nodemap votemap respmap maybemap\n");
         spin_lock(&dlm->master_lock);
         list_for_each(iter, &dlm->master_list) {
                 mle = list_entry(iter, struct dlm_master_list_entry, list);