ocfs2/dlm: Tweak mle_state output

The debugfs file, mle_state, now prints the number of largest number of mles
in one hash link.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/fs/ocfs2/dlm/dlmdebug.c b/fs/ocfs2/dlm/dlmdebug.c
index bdf1c7817bb5..df52f706f669 100644
--- a/fs/ocfs2/dlm/dlmdebug.c
+++ b/fs/ocfs2/dlm/dlmdebug.c
@@ -494,7 +494,7 @@ static int debug_mle_print(struct dlm_ctxt *dlm, struct debug_buffer *db)
         struct hlist_head *bucket;
         struct hlist_node *list;
         int i, out = 0;
-        unsigned long total = 0;
+        unsigned long total = 0, longest = 0, bktcnt;
 
         out += snprintf(db->buf + out, db->len - out,
                         "Dumping MLEs for Domain: %s\n", dlm->name);
@@ -506,15 +506,18 @@ static int debug_mle_print(struct dlm_ctxt *dlm, struct debug_buffer *db)
                         mle = hlist_entry(list, struct dlm_master_list_entry,
                                           master_hash_node);
                         ++total;
+                        ++bktcnt;
                         if (db->len - out < 200)
                                 continue;
                         out += dump_mle(mle, db->buf + out, db->len - out);
                 }
+                longest = max(longest, bktcnt);
+                bktcnt = 0;
         }
         spin_unlock(&dlm->master_lock);
 
         out += snprintf(db->buf + out, db->len - out,
-                        "Total on list: %ld\n", total);
+                        "Total: %ld, Longest: %ld\n", total, longest);
         return out;
 }