2 * resize2fs.h --- ext2 resizer header file
4 * Copyright (C) 1997, 1998 by Theodore Ts'o and
7 * Copyright (C) 1999, 2000 by Theodore Ts'o
10 * This file may be redistributed under the terms of the GNU Public
21 #ifdef HAVE_SYS_TYPES_H
22 #include <sys/types.h>
24 #ifdef HAVE_SYS_TIME_H
31 #if EXT2_FLAT_INCLUDES
36 #include "ext2fs/ext2_fs.h"
37 #include "ext2fs/ext2fs.h"
44 #define _(a) (gettext (a))
46 #define N_(a) gettext_noop (a)
51 #define NLS_CAT_NAME "e2fsprogs"
54 #define LOCALEDIR "/usr/share/locale"
65 typedef struct _ext2_extent
*ext2_extent
;
68 * For the simple progress meter
70 typedef struct ext2_sim_progress
*ext2_sim_progmeter
;
73 * Flags for the resizer; most are debugging flags only
75 #define RESIZE_DEBUG_IO 0x0001
76 #define RESIZE_DEBUG_BMOVE 0x0002
77 #define RESIZE_DEBUG_INODEMAP 0x0004
78 #define RESIZE_DEBUG_ITABLEMOVE 0x0008
79 #define RESIZE_DEBUG_RTRACK 0x0010
80 #define RESIZE_DEBUG_MIN_CALC 0x0020
82 #define RESIZE_PERCENT_COMPLETE 0x0100
83 #define RESIZE_VERBOSE 0x0200
85 #define RESIZE_ENABLE_64BIT 0x0400
86 #define RESIZE_DISABLE_64BIT 0x0800
89 * This structure is used for keeping track of how much resources have
90 * been used for a particular resize2fs pass.
92 struct resource_track
{
94 struct timeval time_start
;
95 struct timeval user_start
;
96 struct timeval system_start
;
98 unsigned long long bytes_read
;
99 unsigned long long bytes_written
;
103 * The core state structure for the ext2 resizer
105 typedef struct ext2_resize_struct
*ext2_resize_t
;
107 struct ext2_resize_struct
{
110 ext2fs_block_bitmap reserve_blocks
;
111 ext2fs_block_bitmap move_blocks
;
114 blk64_t needed_blocks
;
119 * For the block allocator
125 * For the progress meter
127 errcode_t (*progress
)(ext2_resize_t rfs
, int pass
,
134 * Progress pass numbers...
136 #define E2_RSZ_EXTEND_ITABLE_PASS 1
137 #define E2_RSZ_BLOCK_RELOC_PASS 2
138 #define E2_RSZ_INODE_SCAN_PASS 3
139 #define E2_RSZ_INODE_REF_UPD_PASS 4
140 #define E2_RSZ_MOVE_ITABLE_PASS 5
144 extern errcode_t
resize_fs(ext2_filsys fs
, blk64_t
*new_size
, int flags
,
145 errcode_t (*progress
)(ext2_resize_t rfs
,
146 int pass
, unsigned long cur
,
149 extern errcode_t
adjust_fs_info(ext2_filsys fs
, ext2_filsys old_fs
,
150 ext2fs_block_bitmap reserve_blocks
,
152 extern blk64_t
calculate_minimum_resize_size(ext2_filsys fs
, int flags
);
156 extern errcode_t
ext2fs_create_extent_table(ext2_extent
*ret_extent
,
158 extern void ext2fs_free_extent_table(ext2_extent extent
);
159 extern errcode_t
ext2fs_add_extent_entry(ext2_extent extent
,
160 __u64 old_loc
, __u64 new_loc
);
161 extern __u64
ext2fs_extent_translate(ext2_extent extent
, __u64 old_loc
);
162 extern void ext2fs_extent_dump(ext2_extent extent
, FILE *out
);
163 extern errcode_t
ext2fs_iterate_extent(ext2_extent extent
, __u64
*old_loc
,
164 __u64
*new_loc
, __u64
*size
);
167 extern char *program_name
;
170 extern errcode_t
online_resize_fs(ext2_filsys fs
, const char *mtpt
,
171 blk64_t
*new_size
, int flags
);
173 /* resource_track.c */
174 extern void init_resource_track(struct resource_track
*track
, const char *desc
,
176 extern void print_resource_track(ext2_resize_t rfs
,
177 struct resource_track
*track
,
181 extern errcode_t
ext2fs_progress_init(ext2_sim_progmeter
*ret_prog
,
183 int labelwidth
, int barwidth
,
184 __u32 maxdone
, int flags
);
185 extern void ext2fs_progress_update(ext2_sim_progmeter prog
,
187 extern void ext2fs_progress_close(ext2_sim_progmeter prog
);