Lines Matching refs:lcn
393 * @lcn: starting logical cluster number
397 * Read @count ntfs clusters starting at logical cluster number @lcn from
401 s64 ntfs_cluster_read(const ntfs_volume *vol, const s64 lcn, const s64 count,
406 if (!vol || lcn < 0 || count < 0) {
410 if (vol->nr_clusters < lcn + count) {
414 (long long)lcn + count);
417 br = ntfs_pread(vol->dev, lcn << vol->cluster_size_bits,
429 * @lcn: starting logical cluster number
433 * Write @count ntfs clusters starting at logical cluster number @lcn from
437 s64 ntfs_cluster_write(const ntfs_volume *vol, const s64 lcn,
442 if (!vol || lcn < 0 || count < 0) {
446 if (vol->nr_clusters < lcn + count) {
450 (long long)lcn + count);
454 bw = ntfs_pwrite(vol->dev, lcn << vol->cluster_size_bits,