common/libntfs/mft.c

411  * @base_ni:	open base inode if allocating an extent mft record or NULL
416  * If @base_ni is NULL start the search at the default allocator position.
418  * If @base_ni is not NULL start the search at the mft record after the base
419  * mft record @base_ni.
425 static int ntfs_mft_bitmap_find_free_rec(ntfs_volume *vol, ntfs_inode *base_ni)
444 	if (!base_ni)
447 		data_pos = base_ni->mft_no + 1;
1107  * @base_ni:	open base inode if allocating an extent mft record or NULL
1111  * If @base_ni is NULL make the mft record a base mft record and allocate it at
1114  * If @base_ni is not NULL make the allocated mft record an extent record,
1116  * the allocated and opened ntfs inode to the base inode @base_ni.
1123  * optimize this we start scanning at the place specified by @base_ni or if
1124  * @base_ni is NULL we start where we last stopped and we perform wrap around
1187 ntfs_inode *ntfs_mft_record_alloc(ntfs_volume *vol, ntfs_inode *base_ni)
1198 	if (base_ni)
1201 				(long long)base_ni->mft_no);
1210 	bit = ntfs_mft_bitmap_find_free_rec(vol, base_ni);
1424 	if (base_ni) {
1426 		ni->u.base_ni = base_ni;
1427 		m->base_mft_record = MK_LE_MREF(base_ni->mft_no,
1428 				le16_to_cpu(base_ni->mrec->sequence_number));
1433 		if (!(base_ni->nr_extents & 3)) {
1437 			i = (base_ni->nr_extents + 4) * sizeof(ntfs_inode *);
1446 			if (base_ni->u.extent_nis) {
1447 				memcpy(extent_nis, base_ni->u.extent_nis,
1449 				free(base_ni->u.extent_nis);
1451 			base_ni->u.extent_nis = extent_nis;
1453 		base_ni->u.extent_nis[base_ni->nr_extents++] = ni;
1463 	if (!base_ni) {
1471 			base_ni ? "extent " : "", (long long)bit);