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fs: dlm: make dlm_callback_resume quite

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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>
This commit is contained in:
Alexander Aring 2021-11-02 15:17:14 -04:00 committed by David Teigland
parent e10249b190
commit 2f05ec4327
1 changed files with 5 additions and 3 deletions
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8
fs/dlm/ast.c
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@ -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);
}