From: Alexander Aring <aahringo@redhat.com>
Date: Tue, 2 Nov 2021 19:17:14 +0000 (-0400)
Subject: fs: dlm: make dlm_callback_resume quite
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2f05ec4327ffaa34877de67fc5bb5eb3ab3767f0;p=linux.git

fs: dlm: make dlm_callback_resume quite

This patch makes dlm_callback_resume info printout less noisy by
accumulate all callback queues into one printout not in 25 times steps.
It seems this printout became lately quite noisy in relationship with
gfs2.

Before:

[241767.849302] dlm: bin: dlm_callback_resume 25
[241767.854846] dlm: bin: dlm_callback_resume 25
[241767.860373] dlm: bin: dlm_callback_resume 25
...
[241767.865920] dlm: bin: dlm_callback_resume 25
[241767.871352] dlm: bin: dlm_callback_resume 25
[241767.876733] dlm: bin: dlm_callback_resume 25

After the patch:

[  385.485728] dlm: gfs2: dlm_callback_resume 175

if zero it will not be printed out.

Reported-by: Barry Marson <bmarson@redhat.com>
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
---

diff --git a/fs/dlm/ast.c b/fs/dlm/ast.c
index 283c7b94eddad..6600930497ccc 100644
--- a/fs/dlm/ast.c
+++ b/fs/dlm/ast.c
@@ -295,7 +295,7 @@ void dlm_callback_suspend(struct dlm_ls *ls)
 void dlm_callback_resume(struct dlm_ls *ls)
 {
 	struct dlm_lkb *lkb, *safe;
-	int count = 0;
+	int count = 0, sum = 0;
 
 	clear_bit(LSFL_CB_DELAY, &ls->ls_flags);
 
@@ -313,12 +313,14 @@ more:
 	}
 	mutex_unlock(&ls->ls_cb_mutex);
 
-	if (count)
-		log_rinfo(ls, "dlm_callback_resume %d", count);
+	sum += count;
 	if (count == MAX_CB_QUEUE) {
 		count = 0;
 		cond_resched();
 		goto more;
 	}
+
+	if (sum)
+		log_rinfo(ls, "%s %d", __func__, sum);
 }