2 * resize2fs.h --- ext2 resizer header file
4 * Copyright (C) 1997, 1998 by Theodore Ts'o and
7 * Copyright (C) 1999, 2000 by Theosore 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
86 * This structure is used for keeping track of how much resources have
87 * been used for a particular resize2fs pass.
89 struct resource_track {
91 struct timeval time_start;
92 struct timeval user_start;
93 struct timeval system_start;
95 unsigned long long bytes_read;
96 unsigned long long bytes_written;
100 * The core state structure for the ext2 resizer
102 typedef struct ext2_resize_struct *ext2_resize_t;
104 struct ext2_resize_struct {
107 ext2fs_block_bitmap reserve_blocks;
108 ext2fs_block_bitmap move_blocks;
111 blk64_t needed_blocks;
116 * For the block allocator
122 * For the progress meter
124 errcode_t (*progress)(ext2_resize_t rfs, int pass,
131 * Progress pass numbers...
133 #define E2_RSZ_EXTEND_ITABLE_PASS 1
134 #define E2_RSZ_BLOCK_RELOC_PASS 2
135 #define E2_RSZ_INODE_SCAN_PASS 3
136 #define E2_RSZ_INODE_REF_UPD_PASS 4
137 #define E2_RSZ_MOVE_ITABLE_PASS 5
141 extern errcode_t resize_fs(ext2_filsys fs, blk64_t *new_size, int flags,
142 errcode_t (*progress)(ext2_resize_t rfs,
143 int pass, unsigned long cur,
146 extern errcode_t adjust_fs_info(ext2_filsys fs, ext2_filsys old_fs,
147 ext2fs_block_bitmap reserve_blocks,
149 extern blk64_t calculate_minimum_resize_size(ext2_filsys fs, int flags);
153 extern errcode_t ext2fs_create_extent_table(ext2_extent *ret_extent,
155 extern void ext2fs_free_extent_table(ext2_extent extent);
156 extern errcode_t ext2fs_add_extent_entry(ext2_extent extent,
157 __u64 old_loc, __u64 new_loc);
158 extern __u64 ext2fs_extent_translate(ext2_extent extent, __u64 old_loc);
159 extern void ext2fs_extent_dump(ext2_extent extent, FILE *out);
160 extern errcode_t ext2fs_iterate_extent(ext2_extent extent, __u64 *old_loc,
161 __u64 *new_loc, __u64 *size);
164 extern char *program_name;
167 extern errcode_t online_resize_fs(ext2_filsys fs, const char *mtpt,
168 blk64_t *new_size, int flags);
170 /* resource_track.c */
171 extern void init_resource_track(struct resource_track *track, const char *desc,
173 extern void print_resource_track(ext2_resize_t rfs,
174 struct resource_track *track,
178 extern errcode_t ext2fs_progress_init(ext2_sim_progmeter *ret_prog,
180 int labelwidth, int barwidth,
181 __u32 maxdone, int flags);
182 extern void ext2fs_progress_update(ext2_sim_progmeter prog,
184 extern void ext2fs_progress_close(ext2_sim_progmeter prog);