Lines Matching refs:lcn
465 * @lcn: starting logical cluster number
469 * Read @count ntfs clusters starting at logical cluster number @lcn from
473 s64 ntfs_cluster_read(const ntfs_volume *vol, const s64 lcn, const s64 count,
478 if (!vol || lcn < 0 || count < 0) {
482 if (vol->nr_clusters < lcn + count) {
486 br = ntfs_pread(vol->u.dev, lcn << vol->cluster_size_bits,
498 * @lcn: starting logical cluster number
502 * Write @count ntfs clusters starting at logical cluster number @lcn from
506 s64 ntfs_cluster_write(const ntfs_volume *vol, const s64 lcn,
511 if (!vol || lcn < 0 || count < 0) {
515 if (vol->nr_clusters < lcn + count) {
520 bw = ntfs_pwrite(vol->u.dev, lcn << vol->cluster_size_bits,