2 * debugfs.c --- a program which allows you to attach an ext2fs
3 * filesystem and play with it.
5 * Copyright (C) 1993 Theodore Ts'o. This file may be redistributed
6 * under the terms of the GNU Public License.
8 * Modifications by Robert Sanders <gt8134b@prism.gatech.edu>
18 #include <sys/types.h>
21 #include "et/com_err.h"
25 extern ss_request_table debug_cmds;
27 ext2_filsys fs = NULL;
30 void open_filesystem(char *device, int open_flags)
34 retval = ext2fs_open(device, open_flags, 0, 0, unix_io_manager, &fs);
36 com_err(device, retval, "while opening filesystem");
40 retval = ext2fs_read_inode_bitmap(fs);
42 com_err(device, retval, "while reading inode bitmap");
45 retval = ext2fs_read_block_bitmap(fs);
47 com_err(device, retval, "while reading block bitmap");
50 root = cwd = EXT2_ROOT_INO;
54 retval = ext2fs_close(fs);
56 com_err(device, retval, "while trying to close filesystem");
60 void do_open_filesys(int argc, char **argv)
62 char *usage = "Usage: open [-w] <device>";
67 while ((c = getopt (argc, argv, "w")) != EOF) {
70 open_flags = EXT2_FLAG_RW;
73 com_err(argv[0], 0, usage);
77 if (optind != argc-1) {
78 com_err(argv[0], 0, usage);
81 if (check_fs_not_open(argv[0]))
83 open_filesystem(argv[optind], open_flags);
86 void close_filesystem()
90 if (fs->flags & EXT2_FLAG_IB_DIRTY) {
91 retval = ext2fs_write_inode_bitmap(fs);
93 com_err("ext2fs_write_inode_bitmap", retval, "");
95 if (fs->flags & EXT2_FLAG_BB_DIRTY) {
96 retval = ext2fs_write_block_bitmap(fs);
98 com_err("ext2fs_write_block_bitmap", retval, "");
100 retval = ext2fs_close(fs);
102 com_err("ext2fs_close", retval, "");
107 void do_close_filesys(int argc, char **argv)
110 com_err(argv[0], 0, "Usage: close_filesys");
113 if (check_fs_open(argv[0]))
118 void do_init_filesys(int argc, char **argv)
120 char *usage = "Usage: initialize <device> <blocksize>";
121 struct ext2_super_block param;
126 com_err(argv[0], 0, usage);
129 if (check_fs_not_open(argv[0]))
132 memset(¶m, 0, sizeof(struct ext2_super_block));
133 param.s_blocks_count = strtoul(argv[2], &tmp, 0);
135 com_err(argv[0], 0, "Bad blocks count - %s", argv[2]);
138 retval = ext2fs_initialize(argv[1], 0, ¶m, unix_io_manager, &fs);
140 com_err(argv[1], retval, "while initializing filesystem");
144 root = cwd = EXT2_ROOT_INO;
148 void do_show_super_stats(int argc, char *argv[])
154 com_err(argv[0], 0, "Usage: show_super");
157 if (check_fs_open(argv[0]))
160 fprintf(out, "Filesystem is read-%s\n", fs->flags & EXT2_FLAG_RW ?
162 fprintf(out, "Last mount time = %s", ctime(&fs->super->s_mtime));
163 fprintf(out, "Last write time = %s", ctime(&fs->super->s_wtime));
164 fprintf(out, "Mount counts = %d (maximal = %d)\n",
165 fs->super->s_mnt_count, fs->super->s_max_mnt_count);
166 fprintf(out, "Superblock size = %d\n", sizeof(struct ext2_super_block));
167 fprintf(out, "Block size = %d, fragment size = %d\n",
168 EXT2_BLOCK_SIZE(fs->super), EXT2_FRAG_SIZE(fs->super));
169 fprintf(out, "%ld inodes, %ld free\n", fs->super->s_inodes_count,
170 fs->super->s_free_inodes_count);
171 fprintf(out, "%ld blocks, %ld free, %ld reserved, first block = %ld\n",
172 fs->super->s_blocks_count, fs->super->s_free_blocks_count,
173 fs->super->s_r_blocks_count, fs->super->s_first_data_block);
174 fprintf(out, "%ld blocks per group\n", fs->super->s_blocks_per_group);
175 fprintf(out, "%ld fragments per group\n", fs->super->s_frags_per_group);
176 fprintf(out, "%ld inodes per group\n", EXT2_INODES_PER_GROUP(fs->super));
177 fprintf(out, "%d inodes per block\n", EXT2_INODES_PER_BLOCK(fs->super));
178 fprintf(out, "%ld group%s (%ld descriptors block%s)\n",
179 fs->group_desc_count, (fs->group_desc_count != 1) ? "s" : "",
180 fs->desc_blocks, (fs->desc_blocks != 1) ? "s" : "");
181 for (i = 0; i < fs->group_desc_count; i++)
182 fprintf(out, " Group %2d: block bitmap at %ld, "
183 "inode bitmap at %ld, "
184 "inode table at %ld\n"
187 "%d used director%s\n",
188 i, fs->group_desc[i].bg_block_bitmap,
189 fs->group_desc[i].bg_inode_bitmap,
190 fs->group_desc[i].bg_inode_table,
191 fs->group_desc[i].bg_free_blocks_count,
192 fs->group_desc[i].bg_free_blocks_count != 1 ? "s" : "",
193 fs->group_desc[i].bg_free_inodes_count,
194 fs->group_desc[i].bg_free_inodes_count != 1 ? "s" : "",
195 fs->group_desc[i].bg_used_dirs_count,
196 fs->group_desc[i].bg_used_dirs_count != 1 ? "ies" : "y");
200 struct list_blocks_struct {
205 int list_blocks_proc(ext2_filsys fs, blk_t *blocknr, int blockcnt, void *private)
207 struct list_blocks_struct *lb = (struct list_blocks_struct *) private;
209 fprintf(lb->f, "%ld ", *blocknr);
215 void dump_blocks(FILE *f, ino_t inode)
217 struct list_blocks_struct lb;
219 fprintf(f, "BLOCKS:\n");
222 ext2fs_block_iterate(fs,inode,0,NULL,list_blocks_proc,(void *)&lb);
224 fprintf(f, "\nTOTAL: %d\n", lb.total);
229 void dump_inode(ino_t inode_num, struct ext2_inode inode)
235 if (S_ISDIR(inode.i_mode)) i_type = "directory";
236 else if (S_ISREG(inode.i_mode)) i_type = "regular";
237 else if (S_ISLNK(inode.i_mode)) i_type = "symlink";
238 else if (S_ISBLK(inode.i_mode)) i_type = "block special";
239 else if (S_ISCHR(inode.i_mode)) i_type = "character special";
240 else if (S_ISFIFO(inode.i_mode)) i_type = "FIFO";
241 else if (S_ISSOCK(inode.i_mode)) i_type = "socket";
242 else i_type = "bad type";
243 fprintf(out, "Inode: %ld Type: %s ", inode_num, i_type);
244 fprintf(out, "Mode: %04o Flags: 0x%lx Version: %ld\n",
245 inode.i_mode & 0777, inode.i_flags, inode.i_version);
246 fprintf(out, "User: %5d Group: %5d Size: %ld\n",
247 inode.i_uid, inode.i_gid, inode.i_size);
248 fprintf(out, "File ACL: %ld Directory ACL: %ld\n",
249 inode.i_file_acl, inode.i_dir_acl);
250 fprintf(out, "Links: %d Blockcount: %ld\n", inode.i_links_count,
252 fprintf(out, "Fragment: Address: %ld Number: %d Size: %d\n",
253 inode.i_faddr, inode.i_frag, inode.i_fsize);
254 fprintf(out, "ctime: 0x%08lx -- %s", inode.i_ctime,
255 ctime(&inode.i_ctime));
256 fprintf(out, "atime: 0x%08lx -- %s", inode.i_atime,
257 ctime(&inode.i_atime));
258 fprintf(out, "mtime: 0x%08lx -- %s", inode.i_mtime,
259 ctime(&inode.i_mtime));
261 fprintf(out, "dtime: 0x%08lx -- %s", inode.i_dtime,
262 ctime(&inode.i_dtime));
263 if (S_ISLNK(inode.i_mode) && inode.i_blocks == 0)
264 fprintf(out, "Fast_link_dest: %s\n", (char *)inode.i_block);
266 dump_blocks(out, inode_num);
271 void do_stat(int argc, char *argv[])
274 struct ext2_inode inode_buf;
278 com_err(argv[0], 0, "Usage: stat <file>");
281 if (check_fs_open(argv[0]))
283 inode = string_to_inode(argv[1]);
287 retval = ext2fs_read_inode(fs,inode,&inode_buf);
290 com_err(argv[0], 0, "Reading inode");
294 dump_inode(inode,inode_buf);
298 void do_chroot(int argc, char *argv[])
304 com_err(argv[0], 0, "Usage: chroot <file>");
307 if (check_fs_open(argv[0]))
309 inode = string_to_inode(argv[1]);
313 retval = ext2fs_check_directory(fs, inode);
315 com_err(argv[1], retval, "");
321 void do_clri(int argc, char *argv[])
325 struct ext2_inode inode_buf;
328 com_err(argv[0], 0, "Usage: clri <file>");
331 if (check_fs_open(argv[0]))
333 if (!(fs->flags & EXT2_FLAG_RW)) {
334 com_err(argv[0], 0, "Filesystem opened read/only");
337 inode = string_to_inode(argv[1]);
341 retval = ext2fs_read_inode(fs, inode, &inode_buf);
343 com_err(argv[0], 0, "while trying to read inode %d", inode);
346 memset(&inode_buf, 0, sizeof(inode_buf));
347 retval = ext2fs_write_inode(fs, inode, &inode_buf);
349 com_err(argv[0], retval, "while trying to write inode %d",
355 void do_freei(int argc, char *argv[])
360 com_err(argv[0], 0, "Usage: freei <file>");
363 if (check_fs_open(argv[0]))
365 if (!(fs->flags & EXT2_FLAG_RW)) {
366 com_err(argv[0], 0, "Filesystem opened read/only");
369 inode = string_to_inode(argv[1]);
373 if (!ext2fs_test_inode_bitmap(fs->inode_map,inode))
374 com_err(argv[0], 0, "Warning: inode already clear");
375 ext2fs_unmark_inode_bitmap(fs->inode_map,inode);
376 ext2fs_mark_ib_dirty(fs);
379 void do_seti(int argc, char *argv[])
384 com_err(argv[0], 0, "Usage: seti <file>");
387 if (check_fs_open(argv[0]))
389 if (!(fs->flags & EXT2_FLAG_RW)) {
390 com_err(argv[0], 0, "Filesystem opened read/only");
393 inode = string_to_inode(argv[1]);
397 if (ext2fs_test_inode_bitmap(fs->inode_map,inode))
398 com_err(argv[0], 0, "Warning: inode already set");
399 ext2fs_mark_inode_bitmap(fs->inode_map,inode);
400 ext2fs_mark_ib_dirty(fs);
403 void do_testi(int argc, char *argv[])
408 com_err(argv[0], 0, "Usage: testi <file>");
411 if (check_fs_open(argv[0]))
413 inode = string_to_inode(argv[1]);
417 if (ext2fs_test_inode_bitmap(fs->inode_map,inode))
418 printf("Inode %ld is marked in use\n", inode);
420 printf("Inode %ld is not in use\n", inode);
424 void do_freeb(int argc, char *argv[])
430 com_err(argv[0], 0, "Usage: freeb <block>");
433 if (check_fs_open(argv[0]))
435 if (!(fs->flags & EXT2_FLAG_RW)) {
436 com_err(argv[0], 0, "Filesystem opened read/only");
439 block = strtoul(argv[1], &tmp, 0);
440 if (!block || *tmp) {
441 com_err(argv[0], 0, "No block 0");
444 if (!ext2fs_test_block_bitmap(fs->block_map,block))
445 com_err(argv[0], 0, "Warning: block already clear");
446 ext2fs_unmark_block_bitmap(fs->block_map,block);
447 ext2fs_mark_bb_dirty(fs);
450 void do_setb(int argc, char *argv[])
456 com_err(argv[0], 0, "Usage: setb <block>");
459 if (check_fs_open(argv[0]))
461 if (!(fs->flags & EXT2_FLAG_RW)) {
462 com_err(argv[0], 0, "Filesystem opened read/only");
465 block = strtoul(argv[1], &tmp, 0);
466 if (!block || *tmp) {
467 com_err(argv[0], 0, "No block 0");
470 if (ext2fs_test_block_bitmap(fs->block_map,block))
471 com_err(argv[0], 0, "Warning: block already set");
472 ext2fs_mark_block_bitmap(fs->block_map,block);
473 ext2fs_mark_bb_dirty(fs);
476 void do_testb(int argc, char *argv[])
482 com_err(argv[0], 0, "Usage: testb <block>");
485 if (check_fs_open(argv[0]))
487 block = strtoul(argv[1], &tmp, 0);
488 if (!block || *tmp) {
489 com_err(argv[0], 0, "No block 0");
492 if (ext2fs_test_block_bitmap(fs->block_map,block))
493 printf("Block %ld marked in use\n", block);
494 else printf("Block %ld not in use\n", block);
497 void modify_char(char *com, char *prompt, char *format, u_char *val)
503 sprintf(buf, format, *val);
504 printf("%30s [%s] ", prompt, buf);
505 fgets(buf, sizeof(buf), stdin);
506 if (buf[strlen (buf) - 1] == '\n')
507 buf[strlen (buf) - 1] = '\0';
510 v = strtol(buf, &tmp, 0);
512 com_err(com, 0, "Bad value - %s", buf);
517 void modify_short(char *com, char *prompt, char *format, u_short *val)
523 sprintf(buf, format, *val);
524 printf("%30s [%s] ", prompt, buf);
525 fgets(buf, sizeof(buf), stdin);
526 if (buf[strlen (buf) - 1] == '\n')
527 buf[strlen (buf) - 1] = '\0';
530 v = strtol(buf, &tmp, 0);
532 com_err(com, 0, "Bad value - %s", buf);
537 void modify_long(char *com, char *prompt, char *format, u_long *val)
543 sprintf(buf, format, *val);
544 printf("%30s [%s] ", prompt, buf);
545 fgets(buf, sizeof(buf), stdin);
546 if (buf[strlen (buf) - 1] == '\n')
547 buf[strlen (buf) - 1] = '\0';
550 v = strtol(buf, &tmp, 0);
552 com_err(com, 0, "Bad value - %s", buf);
558 void do_modify_inode(int argc, char *argv[])
560 struct ext2_inode inode;
565 char *hex_format = "0x%x";
566 char *octal_format = "0%o";
567 char *decimal_format = "%d";
570 com_err(argv[0], 0, "Usage: modify_inode <file>");
573 if (check_fs_open(argv[0]))
575 if (!(fs->flags & EXT2_FLAG_RW)) {
576 com_err(argv[0], 0, "Filesystem opened read/only");
580 inode_num = string_to_inode(argv[1]);
584 retval = ext2fs_read_inode(fs, inode_num, &inode);
586 com_err(argv[1], retval, "while trying to read inode %d",
591 modify_short(argv[0], "Mode", octal_format, &inode.i_mode);
592 modify_short(argv[0], "User ID", decimal_format, &inode.i_uid);
593 modify_short(argv[0], "Group ID", decimal_format, &inode.i_gid);
594 modify_long(argv[0], "Size", decimal_format, &inode.i_size);
595 modify_long(argv[0], "Creation time", decimal_format, &inode.i_ctime);
596 modify_long(argv[0], "Modification time", decimal_format, &inode.i_mtime);
597 modify_long(argv[0], "Access time", decimal_format, &inode.i_atime);
598 modify_long(argv[0], "Deletion time", decimal_format, &inode.i_dtime);
599 modify_short(argv[0], "Link count", decimal_format, &inode.i_links_count);
600 modify_long(argv[0], "Block count", decimal_format, &inode.i_blocks);
601 modify_long(argv[0], "File flags", hex_format, &inode.i_flags);
602 modify_long(argv[0], "Reserved1", decimal_format, &inode.i_reserved1);
603 modify_long(argv[0], "File acl", decimal_format, &inode.i_file_acl);
604 modify_long(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl);
605 modify_long(argv[0], "Fragment address", decimal_format, &inode.i_faddr);
606 modify_char(argv[0], "Fragment number", decimal_format, &inode.i_frag);
607 modify_char(argv[0], "Fragment size", decimal_format, &inode.i_fsize);
608 for (i=0; i < EXT2_NDIR_BLOCKS; i++) {
609 sprintf(buf, "Direct Block #%d", i);
610 modify_long(argv[0], buf, decimal_format, &inode.i_block[i]);
612 modify_long(argv[0], "Indirect Block", decimal_format,
613 &inode.i_block[EXT2_IND_BLOCK]);
614 modify_long(argv[0], "Double Indirect Block", decimal_format,
615 &inode.i_block[EXT2_DIND_BLOCK]);
616 modify_long(argv[0], "Triple Indirect Block", decimal_format,
617 &inode.i_block[EXT2_TIND_BLOCK]);
618 retval = ext2fs_write_inode(fs, inode_num, &inode);
620 com_err(argv[1], retval, "while trying to write inode %d",
630 struct list_dir_struct {
635 int list_dir_proc(struct ext2_dir_entry *dirent,
641 char name[EXT2_NAME_LEN];
642 char tmp[EXT2_NAME_LEN + 16];
644 struct list_dir_struct *ls = (struct list_dir_struct *) private;
647 thislen = (dirent->name_len < EXT2_NAME_LEN) ? dirent->name_len :
649 strncpy(name, dirent->name, thislen);
650 name[thislen] = '\0';
652 sprintf(tmp, "%ld (%d) %s ", dirent->inode, dirent->rec_len, name);
653 thislen = strlen(tmp);
655 if (ls->col + thislen > 80) {
656 fprintf(ls->f, "\n");
659 fprintf(ls->f, "%s", tmp);
665 void do_list_dir(int argc, char *argv[])
669 struct list_dir_struct ls;
672 com_err(argv[0], 0, "Usage: list_dir [pathname]");
675 if (check_fs_open(argv[0]))
679 inode = string_to_inode(argv[1]);
687 retval = ext2fs_dir_iterate(fs, inode, DIRENT_FLAG_INCLUDE_EMPTY,
688 0, list_dir_proc, &ls);
692 com_err(argv[1], retval, "");
697 void do_change_working_dir(int argc, char *argv[])
703 com_err(argv[0], 0, "Usage: cd <file>");
706 if (check_fs_open(argv[0]))
709 inode = string_to_inode(argv[1]);
713 retval = ext2fs_check_directory(fs, inode);
715 com_err(argv[1], retval, "");
722 void do_print_working_directory(int argc, char *argv[])
725 char *pathname = NULL;
728 com_err(argv[0], 0, "Usage: print_working_directory");
731 if (check_fs_open(argv[0]))
734 retval = ext2fs_get_pathname(fs, cwd, 0, &pathname);
736 com_err(argv[0], retval,
737 "while trying to get pathname of cwd");
739 printf("[pwd] INODE: %6ld PATH: %s\n", cwd, pathname);
741 retval = ext2fs_get_pathname(fs, root, 0, &pathname);
743 com_err(argv[0], retval,
744 "while trying to get pathname of root");
746 printf("[root] INODE: %6ld PATH: %s\n", root, pathname);
752 void make_link(char *sourcename, char *destname)
757 char *dest, *cp, *basename;
760 * Get the source inode
762 inode = string_to_inode(sourcename);
765 basename = strrchr(sourcename, '/');
769 basename = sourcename;
771 * Figure out the destination. First see if it exists and is
774 if (! (retval=ext2fs_namei(fs, root, cwd, destname, &dir)))
778 * OK, it doesn't exist. See if it is
779 * '<dir>/basename' or 'basename'
781 cp = strrchr(destname, '/');
784 dir = string_to_inode(destname);
794 retval = ext2fs_link(fs, dir, dest, inode, 0);
796 com_err("make_link", retval, "");
801 void do_link(int argc, char *argv[])
804 com_err(argv[0], 0, "Usage: link <source_file> <dest_name>");
807 if (check_fs_open(argv[0]))
810 make_link(argv[1], argv[2]);
814 void unlink_file_by_name(char *filename)
820 basename = strrchr(filename, '/');
823 dir = string_to_inode(filename);
830 retval = ext2fs_unlink(fs, dir, basename, 0, 0);
832 com_err("unlink_file_by_name", retval, "");
836 void do_unlink(int argc, char *argv[])
839 com_err(argv[0], 0, "Usage: unlink <pathname>");
842 if (check_fs_open(argv[0]))
845 unlink_file_by_name(argv[1]);
848 void do_find_free_block(int argc, char *argv[])
850 blk_t free_blk, goal;
854 if (argc > 2 || *argv[1] == '?') {
855 com_err(argv[0], 0, "Usage: find_free_block <goal>");
858 if (check_fs_open(argv[0]))
862 goal = strtol(argv[1], &tmp, 0);
864 com_err(argv[0], 0, "Bad goal - %s", argv[1]);
869 goal = fs->super->s_first_data_block;
871 retval = ext2fs_new_block(fs, goal, 0, &free_blk);
873 com_err("ext2fs_new_block", retval, "");
875 printf("Free block found: %ld\n", free_blk);
879 void do_find_free_inode(int argc, char *argv[])
881 ino_t free_inode, dir;
886 if (argc > 3 || *argv[1] == '?') {
887 com_err(argv[0], 0, "Usage: find_free_inode <dir> <mode>");
890 if (check_fs_open(argv[0]))
894 dir = strtol(argv[1], &tmp, 0);
896 com_err(argv[0], 0, "Bad dir - %s", argv[1]);
903 mode = strtol(argv[2], &tmp, 0);
905 com_err(argv[0], 0, "Bad mode - %s", argv[2]);
912 retval = ext2fs_new_inode(fs, dir, mode, 0, &free_inode);
914 com_err("ext2fs_new_inode", retval, "");
916 printf("Free inode found: %ld\n", free_inode);
919 void do_mkdir(int argc, char *argv[])
926 if (check_fs_open(argv[0]))
930 com_err(argv[0], 0, "Usage: mkdir <file>");
934 cp = strrchr(argv[1], '/');
937 parent = string_to_inode(argv[1]);
939 com_err(argv[1], ENOENT, "");
949 retval = ext2fs_mkdir(fs, parent, 0, name);
951 com_err("ext2fs_mkdir", retval, "");
957 void do_rmdir(int argc, char *argv[])
959 printf("Unimplemented\n");
963 int release_blocks_proc(ext2_filsys fs, blk_t *blocknr, int blockcnt, void *private)
965 printf("%ld ", *blocknr);
966 ext2fs_unmark_block_bitmap(fs->block_map,*blocknr);
970 void kill_file_by_inode(ino_t inode)
972 struct ext2_inode inode_buf;
974 ext2fs_read_inode(fs, inode, &inode_buf);
975 inode_buf.i_dtime = time(NULL);
976 ext2fs_write_inode(fs, inode, &inode_buf);
978 printf("Kill file by inode %ld\n", inode);
979 ext2fs_block_iterate(fs,inode,0,NULL,release_blocks_proc,NULL);
980 ext2fs_unmark_inode_bitmap(fs->inode_map,inode);
982 ext2fs_mark_bb_dirty(fs);
983 ext2fs_mark_ib_dirty(fs);
987 void do_kill_file(int argc, char *argv[])
992 com_err(argv[0], 0, "Usage: kill_file <file>");
995 if (check_fs_open(argv[0]))
998 inode_num = string_to_inode(argv[1]);
1000 com_err(argv[0], 0, "Cannot find file");
1003 kill_file_by_inode(inode_num);
1006 void do_rm(int argc, char *argv[])
1010 struct ext2_inode inode;
1013 com_err(argv[0], 0, "Usage: rm <filename>");
1016 if (check_fs_open(argv[0]))
1019 retval = ext2fs_namei(fs, root, cwd, argv[1], &inode_num);
1021 com_err(argv[0], 0, "Cannot find file");
1025 retval = ext2fs_read_inode(fs,inode_num,&inode);
1027 com_err(argv[0], retval, "while reading file's inode");
1031 if (S_ISDIR(inode.i_mode)) {
1032 com_err(argv[0], 0, "file is a directory");
1036 --inode.i_links_count;
1037 retval = ext2fs_write_inode(fs,inode_num,&inode);
1039 com_err(argv[0], retval, "while writing inode");
1043 unlink_file_by_name(argv[1]);
1044 if (inode.i_links_count == 0)
1045 kill_file_by_inode(inode_num);
1048 void do_show_debugfs_params(int argc, char *argv[])
1052 fprintf(out, "Open mode: read-%s\n",
1053 fs->flags & EXT2_FLAG_RW ? "write" : "only");
1054 fprintf(out, "Filesystem in use: %s\n",
1055 fs ? fs->device_name : "--none--");
1058 void do_expand_dir(int argc, char *argv[])
1064 com_err(argv[0], 0, "Usage: expand_dir <file>");
1067 if (check_fs_open(argv[0]))
1069 inode = string_to_inode(argv[1]);
1073 retval = ext2fs_expand_dir(fs, inode);
1075 com_err("ext2fs_expand_dir", retval, "");
1079 void main(int argc, char **argv)
1083 char *usage = "Usage: debugfs [[-w] device]";
1087 initialize_ext2_error_table();
1089 while ((c = getopt (argc, argv, "w")) != EOF) {
1092 open_flags = EXT2_FLAG_RW;
1095 com_err(argv[0], 0, usage);
1100 open_filesystem(argv[optind], open_flags);
1102 sci_idx = ss_create_invocation("debugfs", "0.0", (char *) NULL,
1103 &debug_cmds, &retval);
1105 ss_perror(sci_idx, retval, "creating invocation");
1109 (void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval);
1111 ss_perror(sci_idx, retval, "adding standard requests");