src/patches/suse-2.6.27.31/patches.fixes/ocfs2-dlm-tweak-mle_state-output.patch

   1 From: Sunil Mushran <sunil.mushran@oracle.com>
   2 Date: Thu, 26 Feb 2009 15:00:49 -0800
   3 Subject: ocfs2/dlm: Tweak mle_state output
   4 Patch-mainline: 2.6.30
   5 References: bnc#408304
   6
   7 The debugfs file, mle_state, now prints the number of largest number of mles
   8 in one hash link.
   9
  10 Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
  11 Signed-off-by: Mark Fasheh <mfasheh@suse.com>
  12 ---
  13  fs/ocfs2/dlm/dlmdebug.c |    7 +++++--
  14  1 files changed, 5 insertions(+), 2 deletions(-)
  15
  16 Index: linux-2.6.27-sle11_ocfs2_update2/fs/ocfs2/dlm/dlmdebug.c
  17 ===================================================================
  18 --- linux-2.6.27-sle11_ocfs2_update2.orig/fs/ocfs2/dlm/dlmdebug.c
  19 +++ linux-2.6.27-sle11_ocfs2_update2/fs/ocfs2/dlm/dlmdebug.c
  20 @@ -494,7 +494,7 @@ static int debug_mle_print(struct dlm_ct
  21         struct hlist_head *bucket;
  22         struct hlist_node *list;
  23         int i, out = 0;
  24 -       unsigned long total = 0;
  25 +       unsigned long total = 0, longest = 0, bktcnt;
  26
  27         out += snprintf(db->buf + out, db->len - out,
  28                         "Dumping MLEs for Domain: %s\n", dlm->name);
  29 @@ -506,15 +506,18 @@ static int debug_mle_print(struct dlm_ct
  30                         mle = hlist_entry(list, struct dlm_master_list_entry,
  31                                           master_hash_node);
  32                         ++total;
  33 +                       ++bktcnt;
  34                         if (db->len - out < 200)
  35                                 continue;
  36                         out += dump_mle(mle, db->buf + out, db->len - out);
  37                 }
  38 +               longest = max(longest, bktcnt);
  39 +               bktcnt = 0;
  40         }
  41         spin_unlock(&dlm->master_lock);
  42
  43         out += snprintf(db->buf + out, db->len - out,
  44 -                       "Total on list: %ld\n", total);
  45 +                       "Total: %ld, Longest: %ld\n", total, longest);
  46         return out;
  47  }
  48