From: Sunil Mushran <sunil.mushran@oracle.com>
Date: Thu, 26 Feb 2009 23:00:49 +0000 (-0800)
Subject: ocfs2/dlm: Tweak mle_state output
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9405dccfd3201d2b76e120949bec81ba8cfbd2d0;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

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>
---

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;
 }