diff options
| -rw-r--r-- | drivers/md/dm-raid.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 45d94a7e7f6d..4a20bf8c72da 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -295,9 +295,11 @@ static int validate_region_size(struct raid_set *rs, unsigned long region_size) * Choose a reasonable default. All figures in sectors. */ if (min_region_size > (1 << 13)) { + /* If not a power of 2, make it the next power of 2 */ + if (min_region_size & (min_region_size - 1)) + region_size = 1 << fls(region_size); DMINFO("Choosing default region size of %lu sectors", region_size); - region_size = min_region_size; } else { DMINFO("Choosing default region size of 4MiB"); region_size = 1 << 13; /* sectors */ |