[PATCH] quota: avoid increasing DQST_LOOKUPS when iterating over dirty/inuse list

From: Chengguang Xu
Date: Thu Sep 26 2019 - 04:34:50 EST


It is meaningless to increase DQST_LOOKUPS number while iterating
over dirty/inuse list, so just avoid it.

Signed-off-by: Chengguang Xu <cgxu519@xxxxxxxxxxx>
---
fs/quota/dquot.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 6e826b454082..00a3c6df2ea3 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -595,7 +595,6 @@ int dquot_scan_active(struct super_block *sb,
/* Now we have active dquot so we can just increase use count */
atomic_inc(&dquot->dq_count);
spin_unlock(&dq_list_lock);
- dqstats_inc(DQST_LOOKUPS);
dqput(old_dquot);
old_dquot = dquot;
/*
@@ -649,7 +648,6 @@ int dquot_writeback_dquots(struct super_block *sb, int type)
* use count */
dqgrab(dquot);
spin_unlock(&dq_list_lock);
- dqstats_inc(DQST_LOOKUPS);
err = sb->dq_op->write_dquot(dquot);
if (err) {
/*
--
2.20.1