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-rw-r--r--fs/ntfs/attrib.h102
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diff --git a/fs/ntfs/attrib.h b/fs/ntfs/attrib.h
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-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * attrib.h - Defines for attribute handling in NTFS Linux kernel driver.
- * Part of the Linux-NTFS project.
- *
- * Copyright (c) 2001-2005 Anton Altaparmakov
- * Copyright (c) 2002 Richard Russon
- */
-
-#ifndef _LINUX_NTFS_ATTRIB_H
-#define _LINUX_NTFS_ATTRIB_H
-
-#include "endian.h"
-#include "types.h"
-#include "layout.h"
-#include "inode.h"
-#include "runlist.h"
-#include "volume.h"
-
-/**
- * ntfs_attr_search_ctx - used in attribute search functions
- * @mrec: buffer containing mft record to search
- * @attr: attribute record in @mrec where to begin/continue search
- * @is_first: if true ntfs_attr_lookup() begins search with @attr, else after
- *
- * Structure must be initialized to zero before the first call to one of the
- * attribute search functions. Initialize @mrec to point to the mft record to
- * search, and @attr to point to the first attribute within @mrec (not necessary
- * if calling the _first() functions), and set @is_first to 'true' (not necessary
- * if calling the _first() functions).
- *
- * If @is_first is 'true', the search begins with @attr. If @is_first is 'false',
- * the search begins after @attr. This is so that, after the first call to one
- * of the search attribute functions, we can call the function again, without
- * any modification of the search context, to automagically get the next
- * matching attribute.
- */
-typedef struct {
- MFT_RECORD *mrec;
- ATTR_RECORD *attr;
- bool is_first;
- ntfs_inode *ntfs_ino;
- ATTR_LIST_ENTRY *al_entry;
- ntfs_inode *base_ntfs_ino;
- MFT_RECORD *base_mrec;
- ATTR_RECORD *base_attr;
-} ntfs_attr_search_ctx;
-
-extern int ntfs_map_runlist_nolock(ntfs_inode *ni, VCN vcn,
- ntfs_attr_search_ctx *ctx);
-extern int ntfs_map_runlist(ntfs_inode *ni, VCN vcn);
-
-extern LCN ntfs_attr_vcn_to_lcn_nolock(ntfs_inode *ni, const VCN vcn,
- const bool write_locked);
-
-extern runlist_element *ntfs_attr_find_vcn_nolock(ntfs_inode *ni,
- const VCN vcn, ntfs_attr_search_ctx *ctx);
-
-int ntfs_attr_lookup(const ATTR_TYPE type, const ntfschar *name,
- const u32 name_len, const IGNORE_CASE_BOOL ic,
- const VCN lowest_vcn, const u8 *val, const u32 val_len,
- ntfs_attr_search_ctx *ctx);
-
-extern int load_attribute_list(ntfs_volume *vol, runlist *rl, u8 *al_start,
- const s64 size, const s64 initialized_size);
-
-static inline s64 ntfs_attr_size(const ATTR_RECORD *a)
-{
- if (!a->non_resident)
- return (s64)le32_to_cpu(a->data.resident.value_length);
- return sle64_to_cpu(a->data.non_resident.data_size);
-}
-
-extern void ntfs_attr_reinit_search_ctx(ntfs_attr_search_ctx *ctx);
-extern ntfs_attr_search_ctx *ntfs_attr_get_search_ctx(ntfs_inode *ni,
- MFT_RECORD *mrec);
-extern void ntfs_attr_put_search_ctx(ntfs_attr_search_ctx *ctx);
-
-#ifdef NTFS_RW
-
-extern int ntfs_attr_size_bounds_check(const ntfs_volume *vol,
- const ATTR_TYPE type, const s64 size);
-extern int ntfs_attr_can_be_non_resident(const ntfs_volume *vol,
- const ATTR_TYPE type);
-extern int ntfs_attr_can_be_resident(const ntfs_volume *vol,
- const ATTR_TYPE type);
-
-extern int ntfs_attr_record_resize(MFT_RECORD *m, ATTR_RECORD *a, u32 new_size);
-extern int ntfs_resident_attr_value_resize(MFT_RECORD *m, ATTR_RECORD *a,
- const u32 new_size);
-
-extern int ntfs_attr_make_non_resident(ntfs_inode *ni, const u32 data_size);
-
-extern s64 ntfs_attr_extend_allocation(ntfs_inode *ni, s64 new_alloc_size,
- const s64 new_data_size, const s64 data_start);
-
-extern int ntfs_attr_set(ntfs_inode *ni, const s64 ofs, const s64 cnt,
- const u8 val);
-
-#endif /* NTFS_RW */
-
-#endif /* _LINUX_NTFS_ATTRIB_H */