ext4_is_quota_file
!ext4_is_quota_file(inode) &&
if (ext4_is_quota_file(inode))
if (ext4_is_quota_file(inode))
if (ext4_is_quota_file(ar->inode))
if (ext4_is_quota_file(orig_inode) || ext4_is_quota_file(donor_inode)) {