Code cleanup for hash_bits calculation by calling
ilog2() in dcookie_init().
Signed-off-by: Chengguang Xu <cgxu519@xxxxxxxxxxx>
---
fs/dcookies.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/fs/dcookies.c b/fs/dcookies.c
index 6eeb61100a09..4c3253926b55 100644
--- a/fs/dcookies.c
+++ b/fs/dcookies.c
@@ -245,11 +245,7 @@ static int dcookie_init(void)
* a power-of-two.
*/
hash_size = PAGE_SIZE / sizeof(struct list_head);
- hash_bits = 0;
- do {
- hash_bits++;
- } while ((hash_size >> hash_bits) != 0);
- hash_bits--;
+ hash_bits = ilog2(hash_size);
/*
* Re-calculate the actual number of entries and the mask
--
2.20.1
