fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / fs / ntfs / attrib.h

diff --git a/fs/ntfs/attrib.h b/fs/ntfs/attrib.h
index 92899f4..3c8b74c 100644 (file)
--- a/fs/ntfs/attrib.h
+++ b/fs/ntfs/attrib.h
@@ -2,7 +2,7 @@
  * attrib.h - Defines for attribute handling in NTFS Linux kernel driver.
  *           Part of the Linux-NTFS project.
  *
- * Copyright (c) 2001-2004 Anton Altaparmakov
+ * Copyright (c) 2001-2005 Anton Altaparmakov
  * Copyright (c) 2002 Richard Russon
  *
  * This program/include file is free software; you can redistribute it and/or
@@ -24,23 +24,12 @@
 #ifndef _LINUX_NTFS_ATTRIB_H
 #define _LINUX_NTFS_ATTRIB_H
 
-#include <linux/fs.h>
-
 #include "endian.h"
 #include "types.h"
 #include "layout.h"
-
-static inline void 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_SPECIAL_VALUES;
+#include "inode.h"
+#include "runlist.h"
+#include "volume.h"
 
 /**
  * ntfs_attr_search_ctx - used in attribute search functions
@@ -51,10 +40,10 @@ typedef enum {
  * 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), 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,
+ * 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
@@ -63,7 +52,7 @@ typedef enum {
 typedef struct {
        MFT_RECORD *mrec;
        ATTR_RECORD *attr;
-       BOOL is_first;
+       bool is_first;
        ntfs_inode *ntfs_ino;
        ATTR_LIST_ENTRY *al_entry;
        ntfs_inode *base_ntfs_ino;
@@ -71,15 +60,15 @@ typedef struct {
        ATTR_RECORD *base_attr;
 } ntfs_attr_search_ctx;
 
-extern runlist_element *decompress_mapping_pairs(const ntfs_volume *vol,
-               const ATTR_RECORD *attr, runlist_element *old_rl);
-
+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_vcn_to_lcn(const runlist_element *rl, const VCN vcn);
+extern LCN ntfs_attr_vcn_to_lcn_nolock(ntfs_inode *ni, const VCN vcn,
+               const bool write_locked);
 
-extern runlist_element *ntfs_find_vcn(ntfs_inode *ni, const VCN vcn,
-               const BOOL need_write);
+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,
@@ -101,4 +90,27 @@ 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 */