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

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

Link: https://lore.kernel.org/r/20190926083408.4269-1-cgxu519@zoho.com.cn
Signed-off-by: Chengguang Xu <cgxu519@zoho.com.cn>
Signed-off-by: Jan Kara <jack@suse.cz>

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 6e826b454082c4a90233f1f769c8d1eac6d197b8..00a3c6df2ea374b1ddc40f9cd001ef116dfecb10 100644 (file)
--- 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) {
                                /*