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staging: lustre: hash.c: Replace IS_PO2 by is_power_of_2

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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.

Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Aya Mahfouz <mahfouz.saif.elyazal@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Aya Mahfouz 2015-11-17 22:06:40 +02:00 • committed by Greg Kroah-Hartman
parent d2d32738de
commit 71872e9cc2
1 changed files with 2 additions and 1 deletions
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3
drivers/staging/lustre/lustre/libcfs/hash.c
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@ -107,6 +107,7 @@
* table. Also, user can break the iteration by return 1 in callback.
*/
#include <linux/seq_file.h>
#include <linux/log2.h>
#include "../../include/linux/libcfs/libcfs.h"
@ -1777,7 +1778,7 @@ cfs_hash_rehash_cancel_locked(struct cfs_hash *hs)
for (i = 2; cfs_hash_is_rehashing(hs); i++) {
cfs_hash_unlock(hs, 1);
/* raise console warning while waiting too long */
CDEBUG(IS_PO2(i >> 3) ? D_WARNING : D_INFO,
CDEBUG(is_power_of_2(i >> 3) ? D_WARNING : D_INFO,
"hash %s is still rehashing, rescheded %d\n",
hs->hs_name, i - 1);
cond_resched();