Gitweb: http://git.kernel.org/linus/0ba459d26260d4d13346c76642f461b2bf607eef
Commit: 0ba459d26260d4d13346c76642f461b2bf607eef
Parent: 09c9e5fa1b93ad5b81c9dcf8ce3a5b9ae2ac31e4
Author: Andre Noll <maan@systemlinux.org>
AuthorDate: Thu Jun 18 08:46:10 2009 +1000
Committer: NeilBrown <neilb@suse.de>
CommitDate: Thu Jun 18 08:46:10 2009 +1000
md/raid5: Use is_power_of_2() in raid5_reconfig()/raid6_reconfig().
Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: NeilBrown <neilb@suse.de>
---
drivers/md/raid5.c | 6 ++----
1 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index eaa2d3e..72e8a32 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5167,8 +5167,7 @@ static int raid5_reconfig(mddev_t *mddev, int new_layout, int new_chunk)
if (new_layout >= 0 && !algorithm_valid_raid5(new_layout))
return -EINVAL;
if (new_chunk > 0) {
- if (new_chunk & (new_chunk-1))
- /* not a power of 2 */
+ if (!is_power_of_2(new_chunk))
return -EINVAL;
if (new_chunk < PAGE_SIZE)
return -EINVAL;
@@ -5206,8 +5205,7 @@ static int raid6_reconfig(mddev_t *mddev, int new_layout, int new_chunk)
if (new_layout >= 0 && !algorithm_valid_raid6(new_layout))
return -EINVAL;
if (new_chunk > 0) {
- if (new_chunk & (new_chunk-1))
- /* not a power of 2 */
+ if (!is_power_of_2(new_chunk))
return -EINVAL;
if (new_chunk < PAGE_SIZE)
return -EINVAL;
--
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