4 * Copyright (C) 1993, 1994 Theodore Ts'o. This file may be
5 * redistributed under the terms of the GNU Public License.
16 #ifdef HAVE_SYS_TYPES_H
17 #include <sys/types.h>
19 #ifdef HAVE_SYS_TIME_H
26 #if EXT2_FLAT_INCLUDES
30 #include <linux/ext2_fs.h>
31 #include "ext2fs/ext2fs.h"
37 #define _(a) (gettext (a))
39 #define N_(a) gettext_noop (a)
44 #define NLS_CAT_NAME "e2fsprogs"
45 #define LOCALEDIR "/usr/share/locale"
53 * Exit codes used by fsck-type programs
55 #define FSCK_OK 0 /* No errors */
56 #define FSCK_NONDESTRUCT 1 /* File system errors corrected */
57 #define FSCK_REBOOT 2 /* System should be rebooted */
58 #define FSCK_UNCORRECTED 4 /* File system errors left uncorrected */
59 #define FSCK_ERROR 8 /* Operational error */
60 #define FSCK_USAGE 16 /* Usage or syntax error */
61 #define FSCK_LIBRARY 128 /* Shared library error */
64 * The last ext2fs revision level that this version of e2fsck is able to
67 #define E2FSCK_CURRENT_REV 1
70 * The directory information structure; stores directory information
71 * collected in earlier passes, to avoid disk i/o in fetching the
72 * directory information.
75 ext2_ino_t ino; /* Inode number */
76 ext2_ino_t dotdot; /* Parent according to '..' */
77 ext2_ino_t parent; /* Parent according to treewalk */
82 * This structure is used for keeping track of how much resources have
83 * been used for a particular pass of e2fsck.
85 struct resource_track {
86 struct timeval time_start;
87 struct timeval user_start;
88 struct timeval system_start;
96 #define E2F_OPT_READONLY 0x0001
97 #define E2F_OPT_PREEN 0x0002
98 #define E2F_OPT_YES 0x0004
99 #define E2F_OPT_NO 0x0008
100 #define E2F_OPT_TIME 0x0010
101 #define E2F_OPT_TIME2 0x0020
102 #define E2F_OPT_CHECKBLOCKS 0x0040
103 #define E2F_OPT_DEBUG 0x0080
108 #define E2F_FLAG_ABORT 0x0001 /* Abort signaled */
109 #define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */
110 #define E2F_FLAG_SIGNAL_MASK 0x0003
111 #define E2F_FLAG_RESTART 0x0004 /* Restart signaled */
113 #define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */
115 #define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */
116 #define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */
117 #define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */
120 * Defines for indicating the e2fsck pass number
127 #define E2F_PASS_1B 6
130 * This is the global e2fsck structure.
132 typedef struct e2fsck_struct *e2fsck_t;
134 struct e2fsck_struct {
136 const char *program_name;
137 const char *filesystem_name;
138 const char *device_name;
139 int flags; /* E2fsck internal flags */
141 blk_t use_superblock; /* sb requested by user */
142 blk_t superblock; /* sb used to open fs */
143 blk_t num_blocks; /* Total number of blocks */
148 unsigned long abort_code;
150 int (*progress)(e2fsck_t ctx, int pass, unsigned long cur,
153 ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
154 ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */
155 ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
156 ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */
157 ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */
158 ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/
160 ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
161 ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */
166 ext2_icount_t inode_count;
167 ext2_icount_t inode_link_info;
170 * Array of flags indicating whether an inode bitmap, block
171 * bitmap, or inode table is invalid
173 int *invalid_inode_bitmap_flag;
174 int *invalid_block_bitmap_flag;
175 int *invalid_inode_table_flag;
176 int invalid_bitmaps; /* There are invalid bitmaps/itable */
184 * For pass1_check_directory and pass1_get_blocks
186 ext2_ino_t stashed_ino;
187 struct ext2_inode *stashed_inode;
190 * Directory information
194 struct dir_info *dir_info;
199 int process_inode_size;
200 int inode_buffer_blocks;
202 #ifdef RESOURCE_TRACK
204 * For timing purposes
206 struct resource_track global_rtrack;
210 * How we display the progress update (for unix)
214 int progress_last_percent;
215 unsigned int progress_last_time;
218 int fs_directory_count;
219 int fs_regular_count;
220 int fs_blockdev_count;
221 int fs_chardev_count;
223 int fs_symlinks_count;
224 int fs_fast_symlinks_count;
227 int fs_badblocks_count;
228 int fs_sockets_count;
236 * For the use of callers of the e2fsck functions; not used by
237 * e2fsck functions themselves.
244 * Procedure declarations
247 extern void e2fsck_pass1(e2fsck_t ctx);
248 extern void e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf);
249 extern void e2fsck_pass2(e2fsck_t ctx);
250 extern void e2fsck_pass3(e2fsck_t ctx);
251 extern void e2fsck_pass4(e2fsck_t ctx);
252 extern void e2fsck_pass5(e2fsck_t ctx);
255 extern errcode_t e2fsck_allocate_context(e2fsck_t *ret);
256 extern errcode_t e2fsck_reset_context(e2fsck_t ctx);
257 extern void e2fsck_free_context(e2fsck_t ctx);
258 extern int e2fsck_run(e2fsck_t ctx);
262 extern void read_bad_blocks_file(e2fsck_t ctx, const char *bad_blocks_file,
263 int replace_bad_blocks);
264 extern void test_disk(e2fsck_t ctx);
267 extern void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent);
268 extern struct dir_info *e2fsck_get_dir_info(e2fsck_t ctx, ext2_ino_t ino);
269 extern void e2fsck_free_dir_info(e2fsck_t ctx);
270 extern int e2fsck_get_num_dirs(e2fsck_t ctx);
271 extern int e2fsck_get_num_dirinfo(e2fsck_t ctx);
272 extern struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx, int *control);
275 extern const char *ehandler_operation(const char *op);
276 extern void ehandler_init(io_channel channel);
279 extern int e2fsck_check_ext3_journal(e2fsck_t ctx);
280 extern int e2fsck_run_ext3_journal(e2fsck_t ctx);
283 extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int bool);
284 extern int e2fsck_pass1_check_device_inode(struct ext2_inode *inode);
287 extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir, ext2_ino_t ino);
290 extern int e2fsck_reconnect_file(e2fsck_t ctx, ext2_ino_t inode);
293 void check_super_block(e2fsck_t ctx);
294 errcode_t e2fsck_get_device_size(e2fsck_t ctx);
297 void swap_filesys(e2fsck_t ctx);
300 extern void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned int size,
301 const char *description);
302 extern int ask(e2fsck_t ctx, const char * string, int def);
303 extern int ask_yn(const char * string, int def);
304 extern void fatal_error(e2fsck_t ctx, const char * fmt_string);
305 extern void e2fsck_read_bitmaps(e2fsck_t ctx);
306 extern void e2fsck_write_bitmaps(e2fsck_t ctx);
307 extern void preenhalt(e2fsck_t ctx);
308 #ifdef RESOURCE_TRACK
309 extern void print_resource_track(const char *desc,
310 struct resource_track *track);
311 extern void init_resource_track(struct resource_track *track);
313 extern int inode_has_valid_blocks(struct ext2_inode *inode);
314 extern void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino,
315 struct ext2_inode * inode, const char * proc);
316 extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino,
317 struct ext2_inode * inode, const char * proc);
319 extern void mtrace_print(char *mesg);
321 extern blk_t get_backup_sb(ext2_filsys fs);
322 extern int ext2_file_type(unsigned int mode);
325 extern void e2fsck_clear_progbar(e2fsck_t ctx);