ocfs2/dlm: Show the number of lockres/mles in dlm_state

This patch shows the number of lockres' and mles in the debugfs file, dlm_state.

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

diff --git a/fs/ocfs2/dlm/dlmdebug.c b/fs/ocfs2/dlm/dlmdebug.c
index d7decaa687e6f1a430c43a4f57debc1ea776ea2e..bf9fa270ee9806e05feda70b24a0c359c65f01a4 100644 (file)
--- a/fs/ocfs2/dlm/dlmdebug.c
+++ b/fs/ocfs2/dlm/dlmdebug.c
@@ -763,6 +763,8 @@ static int debug_state_print(struct dlm_ctxt *dlm, struct debug_buffer *db)
        int out = 0;
        struct dlm_reco_node_data *node;
        char *state;
+       int cur_mles = 0, tot_mles = 0;
+       int i;
 
        spin_lock(&dlm->spinlock);
 
@@ -805,6 +807,40 @@ static int debug_state_print(struct dlm_ctxt *dlm, struct debug_buffer *db)
                                 db->buf + out, db->len - out);
        out += snprintf(db->buf + out, db->len - out, "\n");
 
+       /* Lock Resources: xxx (xxx) */
+       out += snprintf(db->buf + out, db->len - out,
+                       "Lock Resources: %d (%d)\n",
+                       atomic_read(&dlm->res_cur_count),
+                       atomic_read(&dlm->res_tot_count));
+
+       for (i = 0; i < DLM_MLE_NUM_TYPES; ++i)
+               tot_mles += atomic_read(&dlm->mle_tot_count[i]);
+
+       for (i = 0; i < DLM_MLE_NUM_TYPES; ++i)
+               cur_mles += atomic_read(&dlm->mle_cur_count[i]);
+
+       /* MLEs: xxx (xxx) */
+       out += snprintf(db->buf + out, db->len - out,
+                       "MLEs: %d (%d)\n", cur_mles, tot_mles);
+
+       /*  Blocking: xxx (xxx) */
+       out += snprintf(db->buf + out, db->len - out,
+                       "  Blocking: %d (%d)\n",
+                       atomic_read(&dlm->mle_cur_count[DLM_MLE_BLOCK]),
+                       atomic_read(&dlm->mle_tot_count[DLM_MLE_BLOCK]));
+
+       /*  Mastery: xxx (xxx) */
+       out += snprintf(db->buf + out, db->len - out,
+                       "  Mastery: %d (%d)\n",
+                       atomic_read(&dlm->mle_cur_count[DLM_MLE_MASTER]),
+                       atomic_read(&dlm->mle_tot_count[DLM_MLE_MASTER]));
+
+       /*  Migration: xxx (xxx) */
+       out += snprintf(db->buf + out, db->len - out,
+                       "  Migration: %d (%d)\n",
+                       atomic_read(&dlm->mle_cur_count[DLM_MLE_MIGRATION]),
+                       atomic_read(&dlm->mle_tot_count[DLM_MLE_MIGRATION]));
+
        /* Lists: Dirty=Empty  Purge=InUse  PendingASTs=Empty  ... */
        out += snprintf(db->buf + out, db->len - out,
                        "Lists: Dirty=%s  Purge=%s  PendingASTs=%s  "