ntfs_is_chkd_record
if (ntfs_is_chkd_record(rp->magic) && !le16_to_cpu(rp->usa_count)) {
if (!ntfs_is_chkd_record(rp->magic) && sle64_to_cpu(rp->chkdsk_lsn)) {
if ((!ntfs_is_chkd_record(trp->magic) || le16_to_cpu(trp->usa_count))
!ntfs_is_chkd_record(rp->magic)) {