[RESEND PATCH v2 1/5] staging: lustre: ldlm_extent.c: replace IS_PO2 by is_power_of_2
Aya Mahfouz
mahfouz.saif.elyazal at gmail.com
Tue Oct 27 17:42:08 UTC 2015
Replaces IS_PO2 by is_power_of_2. It is more accurate to use
is_power_of_2 since it returns 1 for numbers that are powers
of 2 only whereas IS_PO2 returns 1 for 0 and numbers that are
powers of 2.
Signed-off-by: Aya Mahfouz <mahfouz.saif.elyazal at gmail.com>
---
v2:
-changed commit message
drivers/staging/lustre/lustre/ldlm/ldlm_extent.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c b/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c
index c787888..d994ce0 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_extent.c
@@ -50,6 +50,9 @@
*/
#define DEBUG_SUBSYSTEM S_LDLM
+
+#include <linux/log2.h>
+
#include "../../include/linux/libcfs/libcfs.h"
#include "../include/lustre_dlm.h"
#include "../include/obd_support.h"
@@ -149,7 +152,7 @@ static inline int lock_mode_to_index(ldlm_mode_t mode)
int index;
LASSERT(mode != 0);
- LASSERT(IS_PO2(mode));
+ LASSERT(is_power_of_2(mode));
for (index = -1; mode; index++)
mode >>= 1;
LASSERT(index < LCK_MODE_NUM);
--
2.4.2
--
Kind Regards,
Aya Saif El-yazal Mahfouz
More information about the devel
mailing list