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Diffstat (limited to 'fs/ntfs/volume.h')
| -rw-r--r-- | fs/ntfs/volume.h | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/fs/ntfs/volume.h b/fs/ntfs/volume.h deleted file mode 100644 index 930a9ae8a053..000000000000 --- a/fs/ntfs/volume.h +++ /dev/null @@ -1,164 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * volume.h - Defines for volume structures in NTFS Linux kernel driver. Part - * of the Linux-NTFS project. - * - * Copyright (c) 2001-2006 Anton Altaparmakov - * Copyright (c) 2002 Richard Russon - */ - -#ifndef _LINUX_NTFS_VOLUME_H -#define _LINUX_NTFS_VOLUME_H - -#include <linux/rwsem.h> -#include <linux/uidgid.h> - -#include "types.h" -#include "layout.h" - -/* - * The NTFS in memory super block structure. - */ -typedef struct { - /* - * FIXME: Reorder to have commonly used together element within the - * same cache line, aiming at a cache line size of 32 bytes. Aim for - * 64 bytes for less commonly used together elements. Put most commonly - * used elements to front of structure. Obviously do this only when the - * structure has stabilized... (AIA) - */ - /* Device specifics. */ - struct super_block *sb; /* Pointer back to the super_block. */ - LCN nr_blocks; /* Number of sb->s_blocksize bytes - sized blocks on the device. */ - /* Configuration provided by user at mount time. */ - unsigned long flags; /* Miscellaneous flags, see below. */ - kuid_t uid; /* uid that files will be mounted as. */ - kgid_t gid; /* gid that files will be mounted as. */ - umode_t fmask; /* The mask for file permissions. */ - umode_t dmask; /* The mask for directory - permissions. */ - u8 mft_zone_multiplier; /* Initial mft zone multiplier. */ - u8 on_errors; /* What to do on filesystem errors. */ - /* NTFS bootsector provided information. */ - u16 sector_size; /* in bytes */ - u8 sector_size_bits; /* log2(sector_size) */ - u32 cluster_size; /* in bytes */ - u32 cluster_size_mask; /* cluster_size - 1 */ - u8 cluster_size_bits; /* log2(cluster_size) */ - u32 mft_record_size; /* in bytes */ - u32 mft_record_size_mask; /* mft_record_size - 1 */ - u8 mft_record_size_bits; /* log2(mft_record_size) */ - u32 index_record_size; /* in bytes */ - u32 index_record_size_mask; /* index_record_size - 1 */ - u8 index_record_size_bits; /* log2(index_record_size) */ - LCN nr_clusters; /* Volume size in clusters == number of - bits in lcn bitmap. */ - LCN mft_lcn; /* Cluster location of mft data. */ - LCN mftmirr_lcn; /* Cluster location of copy of mft. */ - u64 serial_no; /* The volume serial number. */ - /* Mount specific NTFS information. */ - u32 upcase_len; /* Number of entries in upcase[]. */ - ntfschar *upcase; /* The upcase table. */ - - s32 attrdef_size; /* Size of the attribute definition - table in bytes. */ - ATTR_DEF *attrdef; /* Table of attribute definitions. - Obtained from FILE_AttrDef. */ - -#ifdef NTFS_RW - /* Variables used by the cluster and mft allocators. */ - s64 mft_data_pos; /* Mft record number at which to - allocate the next mft record. */ - LCN mft_zone_start; /* First cluster of the mft zone. */ - LCN mft_zone_end; /* First cluster beyond the mft zone. */ - LCN mft_zone_pos; /* Current position in the mft zone. */ - LCN data1_zone_pos; /* Current position in the first data - zone. */ - LCN data2_zone_pos; /* Current position in the second data - zone. */ -#endif /* NTFS_RW */ - - struct inode *mft_ino; /* The VFS inode of $MFT. */ - - struct inode *mftbmp_ino; /* Attribute inode for $MFT/$BITMAP. */ - struct rw_semaphore mftbmp_lock; /* Lock for serializing accesses to the - mft record bitmap ($MFT/$BITMAP). */ -#ifdef NTFS_RW - struct inode *mftmirr_ino; /* The VFS inode of $MFTMirr. */ - int mftmirr_size; /* Size of mft mirror in mft records. */ - - struct inode *logfile_ino; /* The VFS inode of $LogFile. */ -#endif /* NTFS_RW */ - - struct inode *lcnbmp_ino; /* The VFS inode of $Bitmap. */ - struct rw_semaphore lcnbmp_lock; /* Lock for serializing accesses to the - cluster bitmap ($Bitmap/$DATA). */ - - struct inode *vol_ino; /* The VFS inode of $Volume. */ - VOLUME_FLAGS vol_flags; /* Volume flags. */ - u8 major_ver; /* Ntfs major version of volume. */ - u8 minor_ver; /* Ntfs minor version of volume. */ - - struct inode *root_ino; /* The VFS inode of the root - directory. */ - struct inode *secure_ino; /* The VFS inode of $Secure (NTFS3.0+ - only, otherwise NULL). */ - struct inode *extend_ino; /* The VFS inode of $Extend (NTFS3.0+ - only, otherwise NULL). */ -#ifdef NTFS_RW - /* $Quota stuff is NTFS3.0+ specific. Unused/NULL otherwise. */ - struct inode *quota_ino; /* The VFS inode of $Quota. */ - struct inode *quota_q_ino; /* Attribute inode for $Quota/$Q. */ - /* $UsnJrnl stuff is NTFS3.0+ specific. Unused/NULL otherwise. */ - struct inode *usnjrnl_ino; /* The VFS inode of $UsnJrnl. */ - struct inode *usnjrnl_max_ino; /* Attribute inode for $UsnJrnl/$Max. */ - struct inode *usnjrnl_j_ino; /* Attribute inode for $UsnJrnl/$J. */ -#endif /* NTFS_RW */ - struct nls_table *nls_map; -} ntfs_volume; - -/* - * Defined bits for the flags field in the ntfs_volume structure. - */ -typedef enum { - NV_Errors, /* 1: Volume has errors, prevent remount rw. */ - NV_ShowSystemFiles, /* 1: Return system files in ntfs_readdir(). */ - NV_CaseSensitive, /* 1: Treat file names as case sensitive and - create filenames in the POSIX namespace. - Otherwise be case insensitive but still - create file names in POSIX namespace. */ - NV_LogFileEmpty, /* 1: $LogFile journal is empty. */ - NV_QuotaOutOfDate, /* 1: $Quota is out of date. */ - NV_UsnJrnlStamped, /* 1: $UsnJrnl has been stamped. */ - NV_SparseEnabled, /* 1: May create sparse files. */ -} ntfs_volume_flags; - -/* - * Macro tricks to expand the NVolFoo(), NVolSetFoo(), and NVolClearFoo() - * functions. - */ -#define DEFINE_NVOL_BIT_OPS(flag) \ -static inline int NVol##flag(ntfs_volume *vol) \ -{ \ - return test_bit(NV_##flag, &(vol)->flags); \ -} \ -static inline void NVolSet##flag(ntfs_volume *vol) \ -{ \ - set_bit(NV_##flag, &(vol)->flags); \ -} \ -static inline void NVolClear##flag(ntfs_volume *vol) \ -{ \ - clear_bit(NV_##flag, &(vol)->flags); \ -} - -/* Emit the ntfs volume bitops functions. */ -DEFINE_NVOL_BIT_OPS(Errors) -DEFINE_NVOL_BIT_OPS(ShowSystemFiles) -DEFINE_NVOL_BIT_OPS(CaseSensitive) -DEFINE_NVOL_BIT_OPS(LogFileEmpty) -DEFINE_NVOL_BIT_OPS(QuotaOutOfDate) -DEFINE_NVOL_BIT_OPS(UsnJrnlStamped) -DEFINE_NVOL_BIT_OPS(SparseEnabled) - -#endif /* _LINUX_NTFS_VOLUME_H */ |