blob: e87ca43a0e2a1adbd197113aa44ab4ebed3116bb
| 1 | /* |
| 2 | * lcnalloc.h - Exports for cluster (de)allocation. Originated from the Linux-NTFS |
| 3 | * project. |
| 4 | * |
| 5 | * Copyright (c) 2002 Anton Altaparmakov |
| 6 | * Copyright (c) 2004 Yura Pakhuchiy |
| 7 | * |
| 8 | * This program/include file is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as published |
| 10 | * by the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program/include file is distributed in the hope that it will be |
| 14 | * useful, but WITHOUT ANY WARRANTY; without even the implied warranty |
| 15 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program (in the main directory of the NTFS-3G |
| 20 | * distribution in the file COPYING); if not, write to the Free Software |
| 21 | * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| 24 | #ifndef _NTFS_LCNALLOC_H |
| 25 | #define _NTFS_LCNALLOC_H |
| 26 | |
| 27 | #include "types.h" |
| 28 | #include "runlist.h" |
| 29 | #include "volume.h" |
| 30 | |
| 31 | /** |
| 32 | * enum NTFS_CLUSTER_ALLOCATION_ZONES - |
| 33 | */ |
| 34 | typedef enum { |
| 35 | FIRST_ZONE = 0, /* For sanity checking. */ |
| 36 | MFT_ZONE = 0, /* Allocate from $MFT zone. */ |
| 37 | DATA_ZONE = 1, /* Allocate from $DATA zone. */ |
| 38 | LAST_ZONE = 1, /* For sanity checking. */ |
| 39 | } NTFS_CLUSTER_ALLOCATION_ZONES; |
| 40 | |
| 41 | extern runlist *ntfs_cluster_alloc(ntfs_volume *vol, VCN start_vcn, s64 count, |
| 42 | LCN start_lcn, const NTFS_CLUSTER_ALLOCATION_ZONES zone); |
| 43 | |
| 44 | extern int ntfs_cluster_free_from_rl(ntfs_volume *vol, runlist *rl); |
| 45 | |
| 46 | extern int ntfs_cluster_free(ntfs_volume *vol, ntfs_attr *na, VCN start_vcn, |
| 47 | s64 count); |
| 48 | |
| 49 | #endif /* defined _NTFS_LCNALLOC_H */ |
| 50 | |
| 51 |