is_pwoer_of_2-jbd
Subsystems (2)
PATCH 1/1 is_pwoer_of_2-jbd
Replacing (n & (n-1)) in the context of power of 2 checks with is_power_of_2
Signed-off-by vignesh babu <[email protected]>
---
fs/jbd/revoke.c +3 -2
@@ -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;
fs/jbd2/revoke.c +3 -2
@@ -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;
Signature · 3 lines
Vignesh Babu BM _____________________________________________________________ "Why is it that every time I'm with you, makes me believe in magic?"