src/patches/suse-2.6.27.25/patches.fixes/ocfs2-dlm-show-the-number-of-lockres-mles-in-dlm_st.patch

   1 From: Sunil Mushran <sunil.mushran@oracle.com>
   2 Date: Thu, 26 Feb 2009 15:00:46 -0800
   3 Subject: ocfs2/dlm: Show the number of lockres/mles in dlm_state
   4 Patch-mainline: 2.6.30
   5 References: bnc#408304
   6
   7 This patch shows the number of lockres' and mles in the debugfs file, dlm_state.
   8
   9 Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
  10 Signed-off-by: Mark Fasheh <mfasheh@suse.com>
  11 ---
  12  fs/ocfs2/dlm/dlmdebug.c |   36 ++++++++++++++++++++++++++++++++++++
  13  1 files changed, 36 insertions(+), 0 deletions(-)
  14
  15 Index: linux-2.6.27-sle11_ocfs2_update/fs/ocfs2/dlm/dlmdebug.c
  16 ===================================================================
  17 --- linux-2.6.27-sle11_ocfs2_update.orig/fs/ocfs2/dlm/dlmdebug.c
  18 +++ linux-2.6.27-sle11_ocfs2_update/fs/ocfs2/dlm/dlmdebug.c
  19 @@ -763,6 +763,8 @@ static int debug_state_print(struct dlm_
  20         int out = 0;
  21         struct dlm_reco_node_data *node;
  22         char *state;
  23 +       int cur_mles = 0, tot_mles = 0;
  24 +       int i;
  25
  26         spin_lock(&dlm->spinlock);
  27
  28 @@ -805,6 +807,40 @@ static int debug_state_print(struct dlm_
  29                                  db->buf + out, db->len - out);
  30         out += snprintf(db->buf + out, db->len - out, "\n");
  31
  32 +       /* Lock Resources: xxx (xxx) */
  33 +       out += snprintf(db->buf + out, db->len - out,
  34 +                       "Lock Resources: %d (%d)\n",
  35 +                       atomic_read(&dlm->res_cur_count),
  36 +                       atomic_read(&dlm->res_tot_count));
  37 +
  38 +       for (i = 0; i < DLM_MLE_NUM_TYPES; ++i)
  39 +               tot_mles += atomic_read(&dlm->mle_tot_count[i]);
  40 +
  41 +       for (i = 0; i < DLM_MLE_NUM_TYPES; ++i)
  42 +               cur_mles += atomic_read(&dlm->mle_cur_count[i]);
  43 +
  44 +       /* MLEs: xxx (xxx) */
  45 +       out += snprintf(db->buf + out, db->len - out,
  46 +                       "MLEs: %d (%d)\n", cur_mles, tot_mles);
  47 +
  48 +       /*  Blocking: xxx (xxx) */
  49 +       out += snprintf(db->buf + out, db->len - out,
  50 +                       "  Blocking: %d (%d)\n",
  51 +                       atomic_read(&dlm->mle_cur_count[DLM_MLE_BLOCK]),
  52 +                       atomic_read(&dlm->mle_tot_count[DLM_MLE_BLOCK]));
  53 +
  54 +       /*  Mastery: xxx (xxx) */
  55 +       out += snprintf(db->buf + out, db->len - out,
  56 +                       "  Mastery: %d (%d)\n",
  57 +                       atomic_read(&dlm->mle_cur_count[DLM_MLE_MASTER]),
  58 +                       atomic_read(&dlm->mle_tot_count[DLM_MLE_MASTER]));
  59 +
  60 +       /*  Migration: xxx (xxx) */
  61 +       out += snprintf(db->buf + out, db->len - out,
  62 +                       "  Migration: %d (%d)\n",
  63 +                       atomic_read(&dlm->mle_cur_count[DLM_MLE_MIGRATION]),
  64 +                       atomic_read(&dlm->mle_tot_count[DLM_MLE_MIGRATION]));
  65 +
  66         /* Lists: Dirty=Empty  Purge=InUse  PendingASTs=Empty  ... */
  67         out += snprintf(db->buf + out, db->len - out,
  68                         "Lists: Dirty=%s  Purge=%s  PendingASTs=%s  "