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| author | Chengguang Xu <cgxu519@zoho.com.cn> | 2019-09-23 15:52:23 +0200 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2019-10-04 10:11:46 +0200 |
| commit | 24fc755f56b15bf3215c0d0b8b62d7204f369bab (patch) | |
| tree | a043892763ab6763c4ed065dbee8fa6dd193313a /fs/quota/dquot.c | |
| parent | quota: avoid increasing DQST_LOOKUPS when iterating over dirty/inuse list (diff) | |
| download | linux-24fc755f56b15bf3215c0d0b8b62d7204f369bab.tar.xz linux-24fc755f56b15bf3215c0d0b8b62d7204f369bab.zip | |
quota: code cleanup for hash bits calculation
Code cleanup for hash bits calculation by
calling ilog2().
Link: https://lore.kernel.org/r/20190923135223.27674-1-cgxu519@zoho.com.cn
Signed-off-by: Chengguang Xu <cgxu519@zoho.com.cn>
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/quota/dquot.c')
| -rw-r--r-- | fs/quota/dquot.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 00a3c6df2ea3..26812a67ed77 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -2981,11 +2981,7 @@ static int __init dquot_init(void) /* Find power-of-two hlist_heads which can fit into allocation */ nr_hash = (1UL << order) * PAGE_SIZE / sizeof(struct hlist_head); - dq_hash_bits = 0; - do { - dq_hash_bits++; - } while (nr_hash >> dq_hash_bits); - dq_hash_bits--; + dq_hash_bits = ilog2(nr_hash); nr_hash = 1UL << dq_hash_bits; dq_hash_mask = nr_hash - 1; |