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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/fs/ntfs/runlist.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/fs/ntfs/runlist.h')
-rw-r--r-- | ANDROID_3.4.5/fs/ntfs/runlist.h | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/ANDROID_3.4.5/fs/ntfs/runlist.h b/ANDROID_3.4.5/fs/ntfs/runlist.h deleted file mode 100644 index 47728fbb..00000000 --- a/ANDROID_3.4.5/fs/ntfs/runlist.h +++ /dev/null @@ -1,102 +0,0 @@ -/* - * runlist.h - Defines for runlist handling in NTFS Linux kernel driver. - * Part of the Linux-NTFS project. - * - * Copyright (c) 2001-2005 Anton Altaparmakov - * Copyright (c) 2002 Richard Russon - * - * This program/include file is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as published - * by the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program/include file is distributed in the hope that it will be - * useful, but WITHOUT ANY WARRANTY; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program (in the main directory of the Linux-NTFS - * distribution in the file COPYING); if not, write to the Free Software - * Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifndef _LINUX_NTFS_RUNLIST_H -#define _LINUX_NTFS_RUNLIST_H - -#include "types.h" -#include "layout.h" -#include "volume.h" - -/** - * runlist_element - in memory vcn to lcn mapping array element - * @vcn: starting vcn of the current array element - * @lcn: starting lcn of the current array element - * @length: length in clusters of the current array element - * - * The last vcn (in fact the last vcn + 1) is reached when length == 0. - * - * When lcn == -1 this means that the count vcns starting at vcn are not - * physically allocated (i.e. this is a hole / data is sparse). - */ -typedef struct { /* In memory vcn to lcn mapping structure element. */ - VCN vcn; /* vcn = Starting virtual cluster number. */ - LCN lcn; /* lcn = Starting logical cluster number. */ - s64 length; /* Run length in clusters. */ -} runlist_element; - -/** - * runlist - in memory vcn to lcn mapping array including a read/write lock - * @rl: pointer to an array of runlist elements - * @lock: read/write spinlock for serializing access to @rl - * - */ -typedef struct { - runlist_element *rl; - struct rw_semaphore lock; -} runlist; - -static inline void ntfs_init_runlist(runlist *rl) -{ - rl->rl = NULL; - init_rwsem(&rl->lock); -} - -typedef enum { - LCN_HOLE = -1, /* Keep this as highest value or die! */ - LCN_RL_NOT_MAPPED = -2, - LCN_ENOENT = -3, - LCN_ENOMEM = -4, - LCN_EIO = -5, -} LCN_SPECIAL_VALUES; - -extern runlist_element *ntfs_runlists_merge(runlist_element *drl, - runlist_element *srl); - -extern runlist_element *ntfs_mapping_pairs_decompress(const ntfs_volume *vol, - const ATTR_RECORD *attr, runlist_element *old_rl); - -extern LCN ntfs_rl_vcn_to_lcn(const runlist_element *rl, const VCN vcn); - -#ifdef NTFS_RW - -extern runlist_element *ntfs_rl_find_vcn_nolock(runlist_element *rl, - const VCN vcn); - -extern int ntfs_get_size_for_mapping_pairs(const ntfs_volume *vol, - const runlist_element *rl, const VCN first_vcn, - const VCN last_vcn); - -extern int ntfs_mapping_pairs_build(const ntfs_volume *vol, s8 *dst, - const int dst_len, const runlist_element *rl, - const VCN first_vcn, const VCN last_vcn, VCN *const stop_vcn); - -extern int ntfs_rl_truncate_nolock(const ntfs_volume *vol, - runlist *const runlist, const s64 new_length); - -int ntfs_rl_punch_nolock(const ntfs_volume *vol, runlist *const runlist, - const VCN start, const s64 length); - -#endif /* NTFS_RW */ - -#endif /* _LINUX_NTFS_RUNLIST_H */ |