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btrfs: zoned: use helper to check a power of two zone size

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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 <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2022-10-31 20:33:42 +01:00
parent 9e5e6d4e2e
commit fd463ac461
1 changed files with 1 additions and 2 deletions
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3
fs/btrfs/zoned.c
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@ -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 */