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);