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FromMark Fasheh <>
Subject[PATCH 29/32] ocfs2/dlm: Tweak mle_state output
DateTue, 17 Mar 2009 13:01:19 -0700
From: Sunil Mushran <sunil.mushran@oracle.com>

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>
---
fs/ocfs2/dlm/dlmdebug.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/ocfs2/dlm/dlmdebug.c b/fs/ocfs2/dlm/dlmdebug.c
index bdf1c78..df52f70 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;
}

--
1.5.6


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