Replacing (n & (n-1)) in the context of power of 2 checks with is_power_of_2 Signed-off-by: vignesh babu <vignesh.babu@xxxxxxxxx> --- diff --git a/fs/jbd/revoke.c b/fs/jbd/revoke.c index 824e3b7..a6f9cad 100644 --- a/fs/jbd/revoke.c +++ b/fs/jbd/revoke.c @@ -68,6 +68,7 @@ #include <linux/list.h> #include <linux/init.h> #endif +#include <linux/log2.h> static struct kmem_cache *revoke_record_cache; static struct kmem_cache *revoke_table_cache; @@ -211,7 +212,7 @@ int journal_init_revoke(journal_t *journal, int hash_size) journal->j_revoke = journal->j_revoke_table[0]; /* Check that the hash_size is a power of two */ - J_ASSERT ((hash_size & (hash_size-1)) == 0); + J_ASSERT (is_power_of_2(hash_size)); journal->j_revoke->hash_size = hash_size; @@ -238,7 +239,7 @@ int journal_init_revoke(journal_t *journal, int hash_size) journal->j_revoke = journal->j_revoke_table[1]; /* Check that the hash_size is a power of two */ - J_ASSERT ((hash_size & (hash_size-1)) == 0); + J_ASSERT (is_power_of_2(hash_size)); journal->j_revoke->hash_size = hash_size; diff --git a/fs/jbd2/revoke.c b/fs/jbd2/revoke.c index 9246e76..dfcbccc 100644 --- a/fs/jbd2/revoke.c +++ b/fs/jbd2/revoke.c @@ -68,6 +68,7 @@ #include <linux/list.h> #include <linux/init.h> #endif +#include <linux/log2.h> static struct kmem_cache *jbd2_revoke_record_cache; static struct kmem_cache *jbd2_revoke_table_cache; @@ -212,7 +213,7 @@ int jbd2_journal_init_revoke(journal_t *journal, int hash_size) journal->j_revoke = journal->j_revoke_table[0]; /* Check that the hash_size is a power of two */ - J_ASSERT ((hash_size & (hash_size-1)) == 0); + J_ASSERT (is_power_of_2(hash_size)); journal->j_revoke->hash_size = hash_size; @@ -239,7 +240,7 @@ int jbd2_journal_init_revoke(journal_t *journal, int hash_size) journal->j_revoke = journal->j_revoke_table[1]; /* Check that the hash_size is a power of two */ - J_ASSERT ((hash_size & (hash_size-1)) == 0); + J_ASSERT (is_power_of_2(hash_size)); journal->j_revoke->hash_size = hash_size; -- Vignesh Babu BM _____________________________________________________________ "Why is it that every time I'm with you, makes me believe in magic?" - To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
