Commit fd463ac4 authored by David Sterba's avatar David Sterba
Browse files

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: default avatarAnand Jain <anand.jain@oracle.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 9e5e6d4e

fs/btrfs/zoned.c

+1 −2
Original line number Diff line number Diff line
@@ -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 */