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130 lines
4.1 KiB
C
130 lines
4.1 KiB
C
/*
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* param.h - Parameter values for ntfs-3g
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*
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* Copyright (c) 2009-2010 Jean-Pierre Andre
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*
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* This program/include file is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as published
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* by the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program/include file is distributed in the hope that it will be
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* useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program (in the main directory of the NTFS-3G
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* distribution in the file COPYING); if not, write to the Free Software
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* Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _NTFS_PARAM_H
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#define _NTFS_PARAM_H
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#define CACHE_INODE_SIZE 32 /* inode cache, zero or >= 3 and not too big */
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#define CACHE_NIDATA_SIZE 64 /* idata cache, zero or >= 3 and not too big */
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#define CACHE_LOOKUP_SIZE 64 /* lookup cache, zero or >= 3 and not too big */
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#define CACHE_SECURID_SIZE 16 /* securid cache, zero or >= 3 and not too big */
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#define CACHE_LEGACY_SIZE 8 /* legacy cache size, zero or >= 3 and not too big */
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#define FORCE_FORMAT_v1x 0 /* Insert security data as in NTFS v1.x */
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#define OWNERFROMACL 1 /* Get the owner from ACL (not Windows owner) */
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/* default security sub-authorities */
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enum {
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DEFSECAUTH1 = -1153374643, /* 3141592653 */
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DEFSECAUTH2 = 589793238,
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DEFSECAUTH3 = 462843383,
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DEFSECBASE = 10000
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};
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/*
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* Parameters for compression
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*/
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/* default option for compression */
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#define DEFAULT_COMPRESSION 0
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/* (log2 of) number of clusters in a compression block for new files */
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#define STANDARD_COMPRESSION_UNIT 4
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/* maximum cluster size for allowing compression for new files */
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#define MAX_COMPRESSION_CLUSTER_SIZE 4096
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/*
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* Parameters for default options
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*/
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#define DEFAULT_DMTIME 60 /* default 1mn for delay_mtime */
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/*
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* Use of big write buffers
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*
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* With small volumes, the cluster allocator may fail to allocate
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* enough clusters when the volume is nearly full. At most a run
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* can be allocated per bitmap chunk. So, there is a danger when the
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* number of chunks (capacity/(32768*clsiz)) is less than the number
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* of clusters in the biggest write buffer (131072/clsiz). Hence
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* a safe minimal capacity is 4GB
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*/
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#define SAFE_CAPACITY_FOR_BIG_WRITES 0x100000000LL
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/*
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* Parameters for runlists
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*/
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/* only update the final extent of a runlist when appending data */
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#define PARTIAL_RUNLIST_UPDATING 0
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/*
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* Parameters for user and xattr mappings
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*/
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#define XATTRMAPPINGFILE ".NTFS-3G/XattrMapping" /* default mapping file */
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/*
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* Parameters for path canonicalization
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*/
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#define MAPPERNAMELTH 256
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/*
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* Permission checking modes for high level and low level
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*
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* The choices for high and low lowel are independent, they have
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* no effect on the library
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*
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* Stick to the recommended values unless you understand the consequences
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* on protection and performances. Use of cacheing is good for
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* performances, but bad on security with internal fuse or external
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* fuse older than 2.8
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*
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* Possible values for high level :
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* 1 : no cache, kernel control (recommended)
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* 4 : no cache, file system control
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* 7 : no cache, kernel control for ACLs
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*
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* Possible values for low level :
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* 2 : no cache, kernel control
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* 3 : use kernel/fuse cache, kernel control (external fuse >= 2.8)
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* 5 : no cache, file system control (recommended)
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* 8 : no cache, kernel control for ACLs
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*
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* Use of options 7 and 8 requires a patch to fuse
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* When Posix ACLs are selected in the configure options, a value
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* of 6 is added in the mount report.
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*/
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#if defined(__sun) && defined(__SVR4)
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#define HPERMSCONFIG 4 /* access control by kernel is broken on OpenIndiana */
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#else
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#define HPERMSCONFIG 1
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#endif
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#if defined(FUSE_INTERNAL) || !defined(FUSE_VERSION) || (FUSE_VERSION < 28)
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#define LPERMSCONFIG 5
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#else
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#define LPERMSCONFIG 3
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#endif
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#endif /* defined _NTFS_PARAM_H */
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