From fd463ac4616e69c7306c680dabfe857a2f50fc69 Mon Sep 17 00:00:00 2001 From: David Sterba Date: Mon, 31 Oct 2022 20:33:42 +0100 Subject: [PATCH] btrfs: zoned: use helper to check a power of two zone size We have a 64bit compatible helper to check if a value is a power of two, use it instead of open coding it. Reviewed-by: Anand Jain Signed-off-by: David Sterba --- fs/btrfs/zoned.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index 13034c3bbb65..95dec93374ea 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -394,8 +394,7 @@ int btrfs_get_dev_zone_info(struct btrfs_device *device, bool populate_cache) zone_sectors = bdev_zone_sectors(bdev); } - /* Check if it's power of 2 (see is_power_of_2) */ - ASSERT(zone_sectors != 0 && (zone_sectors & (zone_sectors - 1)) == 0); + ASSERT(is_power_of_two_u64(zone_sectors)); zone_info->zone_size = zone_sectors << SECTOR_SHIFT; /* We reject devices with a zone size larger than 8GB */