/* SPDX-License-Identifier: GPL-2.0 */ /* * * Copyright (C) 2019-2021 Paragon Software GmbH, All rights reserved. * */ // clang-format off #ifndef _LINUX_NTFS3_NTFS_FS_H #define _LINUX_NTFS3_NTFS_FS_H #include <linux/blkdev.h> #include <linux/buffer_head.h> #include <linux/fs.h> #include <linux/highmem.h> #include <linux/kernel.h> #include <linux/mm.h> #include <linux/mutex.h> #include <linux/page-flags.h> #include <linux/pagemap.h> #include <linux/rbtree.h> #include <linux/rwsem.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/time64.h> #include <linux/types.h> #include <linux/uidgid.h> #include <asm/div64.h> #include <asm/page.h> #include "debug.h" #include "ntfs.h" struct dentry; struct fiemap_extent_info; struct user_namespace; struct page; struct writeback_control; enum utf16_endian; #define MINUS_ONE_T … /* Biggest MFT / smallest cluster */ #define MAXIMUM_BYTES_PER_MFT … #define MAXIMUM_SHIFT_BYTES_PER_MFT … #define NTFS_BLOCKS_PER_MFT_RECORD … #define MAXIMUM_BYTES_PER_INDEX … #define MAXIMUM_SHIFT_BYTES_PER_INDEX … #define NTFS_BLOCKS_PER_INODE … /* NTFS specific error code when fixup failed. */ #define E_NTFS_FIXUP … /* NTFS specific error code about resident->nonresident. */ #define E_NTFS_NONRESIDENT … /* NTFS specific error code about punch hole. */ #define E_NTFS_NOTALIGNED … /* NTFS specific error code when on-disk struct is corrupted. */ #define E_NTFS_CORRUPT … /* sbi->flags */ #define NTFS_FLAGS_NODISCARD … /* ntfs in shutdown state. */ #define NTFS_FLAGS_SHUTDOWN_BIT … /* Set when LogFile is replaying. */ #define NTFS_FLAGS_LOG_REPLAYING … /* Set when we changed first MFT's which copy must be updated in $MftMirr. */ #define NTFS_FLAGS_MFTMIRR … #define NTFS_FLAGS_NEED_REPLAY … /* ni->ni_flags */ /* * Data attribute is external compressed (LZX/Xpress) * 1 - WOF_COMPRESSION_XPRESS4K * 2 - WOF_COMPRESSION_XPRESS8K * 3 - WOF_COMPRESSION_XPRESS16K * 4 - WOF_COMPRESSION_LZX32K */ #define NI_FLAG_COMPRESSED_MASK … /* Data attribute is deduplicated. */ #define NI_FLAG_DEDUPLICATED … #define NI_FLAG_EA … #define NI_FLAG_DIR … #define NI_FLAG_RESIDENT … #define NI_FLAG_UPDATE_PARENT … // clang-format on struct ntfs_mount_options { … }; /* Special value to unpack and deallocate. */ #define RUN_DEALLOCATE … /* TODO: Use rb tree instead of array. */ struct runs_tree { … }; struct ntfs_buffers { … }; enum ALLOCATE_OPT { … }; enum bitmap_mutex_classes { … }; struct wnd_bitmap { … }; NTFS_CMP_FUNC; enum index_mutex_classed { … }; /* ntfs_index - Allocation unit inside directory. */ struct ntfs_index { … }; /* Minimum MFT zone. */ #define NTFS_MIN_MFT_ZONE … /* Step to increase the MFT. */ #define NTFS_MFT_INCREASE_STEP … /* Ntfs file system in-core superblock data. */ struct ntfs_sb_info { … }; /* One MFT record(usually 1024 bytes), consists of attributes. */ struct mft_inode { … }; /* Nested class for ntfs_inode::ni_lock. */ enum ntfs_inode_mutex_lock_class { … }; /* * struct ntfs_inode * * Ntfs inode - extends linux inode. consists of one or more MFT inodes. */ struct ntfs_inode { … }; struct indx_node { … }; struct ntfs_fnd { … }; enum REPARSE_SIGN { … }; /* Functions from attrib.c */ int attr_allocate_clusters(struct ntfs_sb_info *sbi, struct runs_tree *run, CLST vcn, CLST lcn, CLST len, CLST *pre_alloc, enum ALLOCATE_OPT opt, CLST *alen, const size_t fr, CLST *new_lcn, CLST *new_len); int attr_make_nonresident(struct ntfs_inode *ni, struct ATTRIB *attr, struct ATTR_LIST_ENTRY *le, struct mft_inode *mi, u64 new_size, struct runs_tree *run, struct ATTRIB **ins_attr, struct page *page); int attr_set_size(struct ntfs_inode *ni, enum ATTR_TYPE type, const __le16 *name, u8 name_len, struct runs_tree *run, u64 new_size, const u64 *new_valid, bool keep_prealloc, struct ATTRIB **ret); int attr_data_get_block(struct ntfs_inode *ni, CLST vcn, CLST clen, CLST *lcn, CLST *len, bool *new, bool zero); int attr_data_read_resident(struct ntfs_inode *ni, struct folio *folio); int attr_data_write_resident(struct ntfs_inode *ni, struct folio *folio); int attr_load_runs_vcn(struct ntfs_inode *ni, enum ATTR_TYPE type, const __le16 *name, u8 name_len, struct runs_tree *run, CLST vcn); int attr_load_runs_range(struct ntfs_inode *ni, enum ATTR_TYPE type, const __le16 *name, u8 name_len, struct runs_tree *run, u64 from, u64 to); int attr_wof_frame_info(struct ntfs_inode *ni, struct ATTRIB *attr, struct runs_tree *run, u64 frame, u64 frames, u8 frame_bits, u32 *ondisk_size, u64 *vbo_data); int attr_is_frame_compressed(struct ntfs_inode *ni, struct ATTRIB *attr, CLST frame, CLST *clst_data); int attr_allocate_frame(struct ntfs_inode *ni, CLST frame, size_t compr_size, u64 new_valid); int attr_collapse_range(struct ntfs_inode *ni, u64 vbo, u64 bytes); int attr_insert_range(struct ntfs_inode *ni, u64 vbo, u64 bytes); int attr_punch_hole(struct ntfs_inode *ni, u64 vbo, u64 bytes, u32 *frame_size); int attr_force_nonresident(struct ntfs_inode *ni); /* Functions from attrlist.c */ void al_destroy(struct ntfs_inode *ni); bool al_verify(struct ntfs_inode *ni); int ntfs_load_attr_list(struct ntfs_inode *ni, struct ATTRIB *attr); struct ATTR_LIST_ENTRY *al_enumerate(struct ntfs_inode *ni, struct ATTR_LIST_ENTRY *le); struct ATTR_LIST_ENTRY *al_find_le(struct ntfs_inode *ni, struct ATTR_LIST_ENTRY *le, const struct ATTRIB *attr); struct ATTR_LIST_ENTRY *al_find_ex(struct ntfs_inode *ni, struct ATTR_LIST_ENTRY *le, enum ATTR_TYPE type, const __le16 *name, u8 name_len, const CLST *vcn); int al_add_le(struct ntfs_inode *ni, enum ATTR_TYPE type, const __le16 *name, u8 name_len, CLST svcn, __le16 id, const struct MFT_REF *ref, struct ATTR_LIST_ENTRY **new_le); bool al_remove_le(struct ntfs_inode *ni, struct ATTR_LIST_ENTRY *le); bool al_delete_le(struct ntfs_inode *ni, enum ATTR_TYPE type, CLST vcn, const __le16 *name, u8 name_len, const struct MFT_REF *ref); int al_update(struct ntfs_inode *ni, int sync); static inline size_t al_aligned(size_t size) { … } /* Globals from bitfunc.c */ bool are_bits_clear(const void *map, size_t bit, size_t nbits); bool are_bits_set(const void *map, size_t bit, size_t nbits); size_t get_set_bits_ex(const void *map, size_t bit, size_t nbits); /* Globals from dir.c */ int ntfs_utf16_to_nls(struct ntfs_sb_info *sbi, const __le16 *name, u32 len, u8 *buf, int buf_len); int ntfs_nls_to_utf16(struct ntfs_sb_info *sbi, const u8 *name, u32 name_len, struct cpu_str *uni, u32 max_ulen, enum utf16_endian endian); struct inode *dir_search_u(struct inode *dir, const struct cpu_str *uni, struct ntfs_fnd *fnd); bool dir_is_empty(struct inode *dir); extern const struct file_operations ntfs_dir_operations; extern const struct file_operations ntfs_legacy_dir_operations; /* Globals from file.c */ int ntfs_fileattr_get(struct dentry *dentry, struct fileattr *fa); int ntfs_fileattr_set(struct mnt_idmap *idmap, struct dentry *dentry, struct fileattr *fa); int ntfs_getattr(struct mnt_idmap *idmap, const struct path *path, struct kstat *stat, u32 request_mask, u32 flags); int ntfs3_setattr(struct mnt_idmap *idmap, struct dentry *dentry, struct iattr *attr); int ntfs_file_open(struct inode *inode, struct file *file); int ntfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, __u64 start, __u64 len); long ntfs_ioctl(struct file *filp, u32 cmd, unsigned long arg); long ntfs_compat_ioctl(struct file *filp, u32 cmd, unsigned long arg); extern const struct inode_operations ntfs_special_inode_operations; extern const struct inode_operations ntfs_file_inode_operations; extern const struct file_operations ntfs_file_operations; extern const struct file_operations ntfs_legacy_file_operations; /* Globals from frecord.c */ void ni_remove_mi(struct ntfs_inode *ni, struct mft_inode *mi); struct ATTR_STD_INFO *ni_std(struct ntfs_inode *ni); struct ATTR_STD_INFO5 *ni_std5(struct ntfs_inode *ni); void ni_clear(struct ntfs_inode *ni); int ni_load_mi_ex(struct ntfs_inode *ni, CLST rno, struct mft_inode **mi); int ni_load_mi(struct ntfs_inode *ni, const struct ATTR_LIST_ENTRY *le, struct mft_inode **mi); struct ATTRIB *ni_find_attr(struct ntfs_inode *ni, struct ATTRIB *attr, struct ATTR_LIST_ENTRY **entry_o, enum ATTR_TYPE type, const __le16 *name, u8 name_len, const CLST *vcn, struct mft_inode **mi); struct ATTRIB *ni_enum_attr_ex(struct ntfs_inode *ni, struct ATTRIB *attr, struct ATTR_LIST_ENTRY **le, struct mft_inode **mi); struct ATTRIB *ni_load_attr(struct ntfs_inode *ni, enum ATTR_TYPE type, const __le16 *name, u8 name_len, CLST vcn, struct mft_inode **pmi); int ni_load_all_mi(struct ntfs_inode *ni); bool ni_add_subrecord(struct ntfs_inode *ni, CLST rno, struct mft_inode **mi); int ni_remove_attr(struct ntfs_inode *ni, enum ATTR_TYPE type, const __le16 *name, u8 name_len, bool base_only, const __le16 *id); int ni_create_attr_list(struct ntfs_inode *ni); int ni_expand_list(struct ntfs_inode *ni); int ni_insert_nonresident(struct ntfs_inode *ni, enum ATTR_TYPE type, const __le16 *name, u8 name_len, const struct runs_tree *run, CLST svcn, CLST len, __le16 flags, struct ATTRIB **new_attr, struct mft_inode **mi, struct ATTR_LIST_ENTRY **le); int ni_insert_resident(struct ntfs_inode *ni, u32 data_size, enum ATTR_TYPE type, const __le16 *name, u8 name_len, struct ATTRIB **new_attr, struct mft_inode **mi, struct ATTR_LIST_ENTRY **le); void ni_remove_attr_le(struct ntfs_inode *ni, struct ATTRIB *attr, struct mft_inode *mi, struct ATTR_LIST_ENTRY *le); int ni_delete_all(struct ntfs_inode *ni); struct ATTR_FILE_NAME *ni_fname_name(struct ntfs_inode *ni, const struct le_str *uni, const struct MFT_REF *home, struct mft_inode **mi, struct ATTR_LIST_ENTRY **entry); struct ATTR_FILE_NAME *ni_fname_type(struct ntfs_inode *ni, u8 name_type, struct mft_inode **mi, struct ATTR_LIST_ENTRY **entry); int ni_new_attr_flags(struct ntfs_inode *ni, enum FILE_ATTRIBUTE new_fa); enum REPARSE_SIGN ni_parse_reparse(struct ntfs_inode *ni, struct ATTRIB *attr, struct REPARSE_DATA_BUFFER *buffer); int ni_write_inode(struct inode *inode, int sync, const char *hint); #define _ni_write_inode(i, w) … int ni_fiemap(struct ntfs_inode *ni, struct fiemap_extent_info *fieinfo, __u64 vbo, __u64 len); int ni_readpage_cmpr(struct ntfs_inode *ni, struct folio *folio); int ni_decompress_file(struct ntfs_inode *ni); int ni_read_frame(struct ntfs_inode *ni, u64 frame_vbo, struct page **pages, u32 pages_per_frame); int ni_write_frame(struct ntfs_inode *ni, struct page **pages, u32 pages_per_frame); int ni_remove_name(struct ntfs_inode *dir_ni, struct ntfs_inode *ni, struct NTFS_DE *de, struct NTFS_DE **de2, int *undo_step); bool ni_remove_name_undo(struct ntfs_inode *dir_ni, struct ntfs_inode *ni, struct NTFS_DE *de, struct NTFS_DE *de2, int undo_step); int ni_add_name(struct ntfs_inode *dir_ni, struct ntfs_inode *ni, struct NTFS_DE *de); int ni_rename(struct ntfs_inode *dir_ni, struct ntfs_inode *new_dir_ni, struct ntfs_inode *ni, struct NTFS_DE *de, struct NTFS_DE *new_de, bool *is_bad); bool ni_is_dirty(struct inode *inode); /* Globals from fslog.c */ bool check_index_header(const struct INDEX_HDR *hdr, size_t bytes); int log_replay(struct ntfs_inode *ni, bool *initialized); /* Globals from fsntfs.c */ struct buffer_head *ntfs_bread(struct super_block *sb, sector_t block); bool ntfs_fix_pre_write(struct NTFS_RECORD_HEADER *rhdr, size_t bytes); int ntfs_fix_post_read(struct NTFS_RECORD_HEADER *rhdr, size_t bytes, bool simple); int ntfs_extend_init(struct ntfs_sb_info *sbi); int ntfs_loadlog_and_replay(struct ntfs_inode *ni, struct ntfs_sb_info *sbi); int ntfs_look_for_free_space(struct ntfs_sb_info *sbi, CLST lcn, CLST len, CLST *new_lcn, CLST *new_len, enum ALLOCATE_OPT opt); bool ntfs_check_for_free_space(struct ntfs_sb_info *sbi, CLST clen, CLST mlen); int ntfs_look_free_mft(struct ntfs_sb_info *sbi, CLST *rno, bool mft, struct ntfs_inode *ni, struct mft_inode **mi); void ntfs_mark_rec_free(struct ntfs_sb_info *sbi, CLST rno, bool is_mft); int ntfs_clear_mft_tail(struct ntfs_sb_info *sbi, size_t from, size_t to); int ntfs_refresh_zone(struct ntfs_sb_info *sbi); void ntfs_update_mftmirr(struct ntfs_sb_info *sbi, int wait); void ntfs_bad_inode(struct inode *inode, const char *hint); #define _ntfs_bad_inode(i) … enum NTFS_DIRTY_FLAGS { … }; int ntfs_set_state(struct ntfs_sb_info *sbi, enum NTFS_DIRTY_FLAGS dirty); int ntfs_sb_read(struct super_block *sb, u64 lbo, size_t bytes, void *buffer); int ntfs_sb_write(struct super_block *sb, u64 lbo, size_t bytes, const void *buffer, int wait); int ntfs_sb_write_run(struct ntfs_sb_info *sbi, const struct runs_tree *run, u64 vbo, const void *buf, size_t bytes, int sync); struct buffer_head *ntfs_bread_run(struct ntfs_sb_info *sbi, const struct runs_tree *run, u64 vbo); int ntfs_read_run_nb(struct ntfs_sb_info *sbi, const struct runs_tree *run, u64 vbo, void *buf, u32 bytes, struct ntfs_buffers *nb); int ntfs_read_bh(struct ntfs_sb_info *sbi, const struct runs_tree *run, u64 vbo, struct NTFS_RECORD_HEADER *rhdr, u32 bytes, struct ntfs_buffers *nb); int ntfs_get_bh(struct ntfs_sb_info *sbi, const struct runs_tree *run, u64 vbo, u32 bytes, struct ntfs_buffers *nb); int ntfs_write_bh(struct ntfs_sb_info *sbi, struct NTFS_RECORD_HEADER *rhdr, struct ntfs_buffers *nb, int sync); int ntfs_bio_pages(struct ntfs_sb_info *sbi, const struct runs_tree *run, struct page **pages, u32 nr_pages, u64 vbo, u32 bytes, enum req_op op); int ntfs_bio_fill_1(struct ntfs_sb_info *sbi, const struct runs_tree *run); int ntfs_vbo_to_lbo(struct ntfs_sb_info *sbi, const struct runs_tree *run, u64 vbo, u64 *lbo, u64 *bytes); struct ntfs_inode *ntfs_new_inode(struct ntfs_sb_info *sbi, CLST nRec, enum RECORD_FLAG flag); extern const u8 s_default_security[0x50]; bool is_sd_valid(const struct SECURITY_DESCRIPTOR_RELATIVE *sd, u32 len); int ntfs_security_init(struct ntfs_sb_info *sbi); int ntfs_get_security_by_id(struct ntfs_sb_info *sbi, __le32 security_id, struct SECURITY_DESCRIPTOR_RELATIVE **sd, size_t *size); int ntfs_insert_security(struct ntfs_sb_info *sbi, const struct SECURITY_DESCRIPTOR_RELATIVE *sd, u32 size, __le32 *security_id, bool *inserted); int ntfs_reparse_init(struct ntfs_sb_info *sbi); int ntfs_objid_init(struct ntfs_sb_info *sbi); int ntfs_objid_remove(struct ntfs_sb_info *sbi, struct GUID *guid); int ntfs_insert_reparse(struct ntfs_sb_info *sbi, __le32 rtag, const struct MFT_REF *ref); int ntfs_remove_reparse(struct ntfs_sb_info *sbi, __le32 rtag, const struct MFT_REF *ref); void mark_as_free_ex(struct ntfs_sb_info *sbi, CLST lcn, CLST len, bool trim); int run_deallocate(struct ntfs_sb_info *sbi, const struct runs_tree *run, bool trim); bool valid_windows_name(struct ntfs_sb_info *sbi, const struct le_str *name); int ntfs_set_label(struct ntfs_sb_info *sbi, u8 *label, int len); /* Globals from index.c */ int indx_used_bit(struct ntfs_index *indx, struct ntfs_inode *ni, size_t *bit); void fnd_clear(struct ntfs_fnd *fnd); static inline struct ntfs_fnd *fnd_get(void) { … } static inline void fnd_put(struct ntfs_fnd *fnd) { … } void indx_clear(struct ntfs_index *idx); int indx_init(struct ntfs_index *indx, struct ntfs_sb_info *sbi, const struct ATTRIB *attr, enum index_mutex_classed type); struct INDEX_ROOT *indx_get_root(struct ntfs_index *indx, struct ntfs_inode *ni, struct ATTRIB **attr, struct mft_inode **mi); int indx_read(struct ntfs_index *idx, struct ntfs_inode *ni, CLST vbn, struct indx_node **node); int indx_find(struct ntfs_index *indx, struct ntfs_inode *dir, const struct INDEX_ROOT *root, const void *Key, size_t KeyLen, const void *param, int *diff, struct NTFS_DE **entry, struct ntfs_fnd *fnd); int indx_find_sort(struct ntfs_index *indx, struct ntfs_inode *ni, const struct INDEX_ROOT *root, struct NTFS_DE **entry, struct ntfs_fnd *fnd); int indx_find_raw(struct ntfs_index *indx, struct ntfs_inode *ni, const struct INDEX_ROOT *root, struct NTFS_DE **entry, size_t *off, struct ntfs_fnd *fnd); int indx_insert_entry(struct ntfs_index *indx, struct ntfs_inode *ni, const struct NTFS_DE *new_de, const void *param, struct ntfs_fnd *fnd, bool undo); int indx_delete_entry(struct ntfs_index *indx, struct ntfs_inode *ni, const void *key, u32 key_len, const void *param); int indx_update_dup(struct ntfs_inode *ni, struct ntfs_sb_info *sbi, const struct ATTR_FILE_NAME *fname, const struct NTFS_DUP_INFO *dup, int sync); /* Globals from inode.c */ struct inode *ntfs_iget5(struct super_block *sb, const struct MFT_REF *ref, const struct cpu_str *name); int ntfs_set_size(struct inode *inode, u64 new_size); int reset_log_file(struct inode *inode); int ntfs_get_block(struct inode *inode, sector_t vbn, struct buffer_head *bh_result, int create); int ntfs_write_begin(struct file *file, struct address_space *mapping, loff_t pos, u32 len, struct page **pagep, void **fsdata); int ntfs_write_end(struct file *file, struct address_space *mapping, loff_t pos, u32 len, u32 copied, struct page *page, void *fsdata); int ntfs3_write_inode(struct inode *inode, struct writeback_control *wbc); int ntfs_sync_inode(struct inode *inode); int ntfs_flush_inodes(struct super_block *sb, struct inode *i1, struct inode *i2); int inode_read_data(struct inode *inode, void *data, size_t bytes); int ntfs_create_inode(struct mnt_idmap *idmap, struct inode *dir, struct dentry *dentry, const struct cpu_str *uni, umode_t mode, dev_t dev, const char *symname, u32 size, struct ntfs_fnd *fnd); int ntfs_link_inode(struct inode *inode, struct dentry *dentry); int ntfs_unlink_inode(struct inode *dir, const struct dentry *dentry); void ntfs_evict_inode(struct inode *inode); extern const struct inode_operations ntfs_link_inode_operations; extern const struct address_space_operations ntfs_aops; extern const struct address_space_operations ntfs_aops_cmpr; /* Globals from name_i.c */ int fill_name_de(struct ntfs_sb_info *sbi, void *buf, const struct qstr *name, const struct cpu_str *uni); struct dentry *ntfs3_get_parent(struct dentry *child); extern const struct inode_operations ntfs_dir_inode_operations; extern const struct inode_operations ntfs_special_inode_operations; extern const struct dentry_operations ntfs_dentry_ops; /* Globals from record.c */ int mi_get(struct ntfs_sb_info *sbi, CLST rno, struct mft_inode **mi); void mi_put(struct mft_inode *mi); int mi_init(struct mft_inode *mi, struct ntfs_sb_info *sbi, CLST rno); int mi_read(struct mft_inode *mi, bool is_mft); struct ATTRIB *mi_enum_attr(struct mft_inode *mi, struct ATTRIB *attr); // TODO: id? struct ATTRIB *mi_find_attr(struct mft_inode *mi, struct ATTRIB *attr, enum ATTR_TYPE type, const __le16 *name, u8 name_len, const __le16 *id); static inline struct ATTRIB *rec_find_attr_le(struct mft_inode *rec, struct ATTR_LIST_ENTRY *le) { … } int mi_write(struct mft_inode *mi, int wait); int mi_format_new(struct mft_inode *mi, struct ntfs_sb_info *sbi, CLST rno, __le16 flags, bool is_mft); struct ATTRIB *mi_insert_attr(struct mft_inode *mi, enum ATTR_TYPE type, const __le16 *name, u8 name_len, u32 asize, u16 name_off); bool mi_remove_attr(struct ntfs_inode *ni, struct mft_inode *mi, struct ATTRIB *attr); bool mi_resize_attr(struct mft_inode *mi, struct ATTRIB *attr, int bytes); int mi_pack_runs(struct mft_inode *mi, struct ATTRIB *attr, struct runs_tree *run, CLST len); static inline bool mi_is_ref(const struct mft_inode *mi, const struct MFT_REF *ref) { … } static inline void mi_get_ref(const struct mft_inode *mi, struct MFT_REF *ref) { … } /* Globals from run.c */ bool run_lookup_entry(const struct runs_tree *run, CLST vcn, CLST *lcn, CLST *len, size_t *index); void run_truncate(struct runs_tree *run, CLST vcn); void run_truncate_head(struct runs_tree *run, CLST vcn); void run_truncate_around(struct runs_tree *run, CLST vcn); bool run_add_entry(struct runs_tree *run, CLST vcn, CLST lcn, CLST len, bool is_mft); bool run_collapse_range(struct runs_tree *run, CLST vcn, CLST len); bool run_insert_range(struct runs_tree *run, CLST vcn, CLST len); bool run_get_entry(const struct runs_tree *run, size_t index, CLST *vcn, CLST *lcn, CLST *len); bool run_is_mapped_full(const struct runs_tree *run, CLST svcn, CLST evcn); int run_pack(const struct runs_tree *run, CLST svcn, CLST len, u8 *run_buf, u32 run_buf_size, CLST *packed_vcns); int run_unpack(struct runs_tree *run, struct ntfs_sb_info *sbi, CLST ino, CLST svcn, CLST evcn, CLST vcn, const u8 *run_buf, int run_buf_size); #ifdef NTFS3_CHECK_FREE_CLST int run_unpack_ex(struct runs_tree *run, struct ntfs_sb_info *sbi, CLST ino, CLST svcn, CLST evcn, CLST vcn, const u8 *run_buf, int run_buf_size); #else #define run_unpack_ex … #endif int run_get_highest_vcn(CLST vcn, const u8 *run_buf, u64 *highest_vcn); int run_clone(const struct runs_tree *run, struct runs_tree *new_run); /* Globals from super.c */ void *ntfs_set_shared(void *ptr, u32 bytes); void *ntfs_put_shared(void *ptr); void ntfs_unmap_meta(struct super_block *sb, CLST lcn, CLST len); int ntfs_discard(struct ntfs_sb_info *sbi, CLST Lcn, CLST Len); /* Globals from bitmap.c*/ int __init ntfs3_init_bitmap(void); void ntfs3_exit_bitmap(void); void wnd_close(struct wnd_bitmap *wnd); static inline size_t wnd_zeroes(const struct wnd_bitmap *wnd) { … } int wnd_init(struct wnd_bitmap *wnd, struct super_block *sb, size_t nbits); int wnd_set_free(struct wnd_bitmap *wnd, size_t bit, size_t bits); int wnd_set_used(struct wnd_bitmap *wnd, size_t bit, size_t bits); int wnd_set_used_safe(struct wnd_bitmap *wnd, size_t bit, size_t bits, size_t *done); bool wnd_is_free(struct wnd_bitmap *wnd, size_t bit, size_t bits); bool wnd_is_used(struct wnd_bitmap *wnd, size_t bit, size_t bits); /* Possible values for 'flags' 'wnd_find'. */ #define BITMAP_FIND_MARK_AS_USED … #define BITMAP_FIND_FULL … size_t wnd_find(struct wnd_bitmap *wnd, size_t to_alloc, size_t hint, size_t flags, size_t *allocated); int wnd_extend(struct wnd_bitmap *wnd, size_t new_bits); void wnd_zone_set(struct wnd_bitmap *wnd, size_t Lcn, size_t Len); int ntfs_trim_fs(struct ntfs_sb_info *sbi, struct fstrim_range *range); void ntfs_bitmap_set_le(void *map, unsigned int start, int len); void ntfs_bitmap_clear_le(void *map, unsigned int start, int len); unsigned int ntfs_bitmap_weight_le(const void *bitmap, int bits); /* Globals from upcase.c */ int ntfs_cmp_names(const __le16 *s1, size_t l1, const __le16 *s2, size_t l2, const u16 *upcase, bool bothcase); int ntfs_cmp_names_cpu(const struct cpu_str *uni1, const struct le_str *uni2, const u16 *upcase, bool bothcase); unsigned long ntfs_names_hash(const u16 *name, size_t len, const u16 *upcase, unsigned long hash); /* globals from xattr.c */ #ifdef CONFIG_NTFS3_FS_POSIX_ACL struct posix_acl *ntfs_get_acl(struct mnt_idmap *idmap, struct dentry *dentry, int type); int ntfs_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, struct posix_acl *acl, int type); int ntfs_init_acl(struct mnt_idmap *idmap, struct inode *inode, struct inode *dir); #else #define ntfs_get_acl … #define ntfs_set_acl … #endif int ntfs_acl_chmod(struct mnt_idmap *idmap, struct dentry *dentry); ssize_t ntfs_listxattr(struct dentry *dentry, char *buffer, size_t size); extern const struct xattr_handler *const ntfs_xattr_handlers[]; int ntfs_save_wsl_perm(struct inode *inode, __le16 *ea_size); void ntfs_get_wsl_perm(struct inode *inode); /* globals from lznt.c */ struct lznt *get_lznt_ctx(int level); size_t compress_lznt(const void *uncompressed, size_t uncompressed_size, void *compressed, size_t compressed_size, struct lznt *ctx); ssize_t decompress_lznt(const void *compressed, size_t compressed_size, void *uncompressed, size_t uncompressed_size); static inline bool is_ntfs3(struct ntfs_sb_info *sbi) { … } /* (sb->s_flags & SB_ACTIVE) */ static inline bool is_mounted(struct ntfs_sb_info *sbi) { … } static inline bool ntfs_is_meta_file(struct ntfs_sb_info *sbi, CLST rno) { … } static inline size_t wnd_zone_bit(const struct wnd_bitmap *wnd) { … } static inline size_t wnd_zone_len(const struct wnd_bitmap *wnd) { … } static inline void run_init(struct runs_tree *run) { … } static inline struct runs_tree *run_alloc(void) { … } static inline void run_close(struct runs_tree *run) { … } static inline void run_free(struct runs_tree *run) { … } static inline bool run_is_empty(struct runs_tree *run) { … } /* NTFS uses quad aligned bitmaps. */ static inline size_t ntfs3_bitmap_size(size_t bits) { … } #define _100ns2seconds … #define SecondsToStartOf1970 … #define NTFS_TIME_GRAN … /* * kernel2nt - Converts in-memory kernel timestamp into nt time. */ static inline __le64 kernel2nt(const struct timespec64 *ts) { … } /* * nt2kernel - Converts on-disk nt time into kernel timestamp. */ static inline void nt2kernel(const __le64 tm, struct timespec64 *ts) { … } static inline struct ntfs_sb_info *ntfs_sb(struct super_block *sb) { … } static inline int ntfs3_forced_shutdown(struct super_block *sb) { … } /* * ntfs_up_cluster - Align up on cluster boundary. */ static inline u64 ntfs_up_cluster(const struct ntfs_sb_info *sbi, u64 size) { … } /* * ntfs_up_block - Align up on cluster boundary. */ static inline u64 ntfs_up_block(const struct super_block *sb, u64 size) { … } static inline CLST bytes_to_cluster(const struct ntfs_sb_info *sbi, u64 size) { … } static inline u64 bytes_to_block(const struct super_block *sb, u64 size) { … } static inline struct ntfs_inode *ntfs_i(struct inode *inode) { … } static inline bool is_compressed(const struct ntfs_inode *ni) { … } static inline int ni_ext_compress_bits(const struct ntfs_inode *ni) { … } /* Bits - 0xc, 0xd, 0xe, 0xf, 0x10 */ static inline void ni_set_ext_compress_bits(struct ntfs_inode *ni, u8 bits) { … } static inline bool is_dedup(const struct ntfs_inode *ni) { … } static inline bool is_encrypted(const struct ntfs_inode *ni) { … } static inline bool is_sparsed(const struct ntfs_inode *ni) { … } static inline int is_resident(struct ntfs_inode *ni) { … } static inline void le16_sub_cpu(__le16 *var, u16 val) { … } static inline void le32_sub_cpu(__le32 *var, u32 val) { … } static inline void nb_put(struct ntfs_buffers *nb) { … } static inline void put_indx_node(struct indx_node *in) { … } static inline void mi_clear(struct mft_inode *mi) { … } static inline void ni_lock(struct ntfs_inode *ni) { … } static inline void ni_lock_dir(struct ntfs_inode *ni) { … } static inline void ni_lock_dir2(struct ntfs_inode *ni) { … } static inline void ni_unlock(struct ntfs_inode *ni) { … } static inline int ni_trylock(struct ntfs_inode *ni) { … } static inline int attr_load_runs_attr(struct ntfs_inode *ni, struct ATTRIB *attr, struct runs_tree *run, CLST vcn) { … } static inline void le64_sub_cpu(__le64 *var, u64 val) { … } #if IS_ENABLED(CONFIG_NTFS_FS) bool is_legacy_ntfs(struct super_block *sb); #else static inline bool is_legacy_ntfs(struct super_block *sb) { return false; } #endif #endif /* _LINUX_NTFS3_NTFS_FS_H */
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