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Message-ID: <20240325041240.53537-1-wangkefeng.wang@huawei.com>
Date: Mon, 25 Mar 2024 12:12:40 +0800
From: Kefeng Wang <wangkefeng.wang@...wei.com>
To: Jan Kara <jack@...e.com>, Dennis Zhou <dennis@...nel.org>
CC: <linux-kernel@...r.kernel.org>, Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: [PATCH] fs: quota: use group allocation of per-cpu counters API
Use group allocation of per-cpu counters api to accelerate
dquot_init() and simplify code.
Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
fs/quota/dquot.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index dacbee455c03..808544f74e5e 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -3016,11 +3016,10 @@ static int __init dquot_init(void)
if (!dquot_hash)
panic("Cannot create dquot hash table");
- for (i = 0; i < _DQST_DQSTAT_LAST; i++) {
- ret = percpu_counter_init(&dqstats.counter[i], 0, GFP_KERNEL);
- if (ret)
- panic("Cannot create dquot stat counters");
- }
+ ret = percpu_counter_init_many(dqstats.counter, 0, GFP_KERNEL,
+ _DQST_DQSTAT_LAST);
+ if (ret)
+ panic("Cannot create dquot stat counters");
/* Find power-of-two hlist_heads which can fit into allocation */
nr_hash = (1UL << order) * PAGE_SIZE / sizeof(struct hlist_head);
--
2.41.0
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