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fs: quota: use group allocation of per-cpu counters API

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Use group allocation of per-cpu counters api to accelerate
dquot_init() and simplify code.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Message-Id: <20240325041240.53537-1-wangkefeng.wang@huawei.com>
This commit is contained in:
Kefeng Wang 2024-03-25 12:12:40 +08:00 committed by Jan Kara
parent 4cece76496
commit 5a6cb47ef0
1 changed files with 4 additions and 5 deletions
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9
fs/quota/dquot.c
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@ -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);