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>
29 #ifdef HAVE_SYS_SYSMACROS_H
30 #include <sys/sysmacros.h>
34 #include "uuid/uuid.h"
37 #include <ext2fs/ext2_ext_attr.h>
39 #include "../version.h"
41 #include "support/plausible.h"
47 #ifdef CONFIG_JBD_DEBUG /* Enabled by configure --enable-jbd-debug */
48 int journal_enable_debug = -1;
52 * There must be only one definition if we're hooking in extra commands or
53 * changing default prompt. Use -DSKIP_GLOBDEF for that.
56 ss_request_table *extra_cmds;
57 const char *debug_prog_name;
61 ext2_filsys current_fs;
62 quota_ctx_t current_qctx;
66 static int debugfs_setup_tdb(const char *device_name, char *undo_file,
69 errcode_t retval = ENOMEM;
70 const char *tdb_dir = NULL;
71 char *tdb_file = NULL;
72 char *dev_name, *tmp_name;
74 /* (re)open a specific undo file */
75 if (undo_file && undo_file[0] != 0) {
76 retval = set_undo_io_backing_manager(*io_ptr);
79 *io_ptr = undo_io_manager;
80 retval = set_undo_io_backup_file(undo_file);
83 printf("Overwriting existing filesystem; this can be undone "
84 "using the command:\n"
86 undo_file, device_name);
91 * Configuration via a conf file would be
94 tdb_dir = ss_safe_getenv("E2FSPROGS_UNDO_DIR");
96 tdb_dir = "/var/lib/e2fsprogs";
98 if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
99 access(tdb_dir, W_OK))
102 tmp_name = strdup(device_name);
105 dev_name = basename(tmp_name);
106 tdb_file = malloc(strlen(tdb_dir) + 9 + strlen(dev_name) + 7 + 1);
111 sprintf(tdb_file, "%s/debugfs-%s.e2undo", tdb_dir, dev_name);
114 if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
116 com_err("debugfs", retval,
117 "while trying to delete %s", tdb_file);
121 retval = set_undo_io_backing_manager(*io_ptr);
124 *io_ptr = undo_io_manager;
125 retval = set_undo_io_backup_file(tdb_file);
128 printf("Overwriting existing filesystem; this can be undone "
129 "using the command:\n"
130 " e2undo %s %s\n\n", tdb_file, device_name);
137 com_err("debugfs", retval, "while trying to setup undo file\n");
141 static void open_filesystem(char *device, int open_flags, blk64_t superblock,
142 blk64_t blocksize, int catastrophic,
143 char *data_filename, char *undo_file)
146 io_channel data_io = 0;
147 io_manager io_ptr = unix_io_manager;
149 if (superblock != 0 && blocksize == 0) {
150 com_err(device, 0, "if you specify the superblock, you must also specify the block size");
156 if ((open_flags & EXT2_FLAG_IMAGE_FILE) == 0) {
158 "The -d option is only valid when reading an e2image file");
162 retval = unix_io_manager->open(data_filename, 0, &data_io);
164 com_err(data_filename, 0, "while opening data source");
171 open_flags |= EXT2_FLAG_SKIP_MMP | EXT2_FLAG_IGNORE_SB_ERRORS;
174 retval = debugfs_setup_tdb(device, undo_file, &io_ptr);
180 retval = ext2fs_open(device, open_flags, superblock, blocksize,
181 io_ptr, ¤t_fs);
182 if (retval && (retval == EXT2_ET_SB_CSUM_INVALID) &&
183 !(open_flags & EXT2_FLAG_IGNORE_CSUM_ERRORS)) {
184 open_flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
185 printf("Checksum errors in superblock! Retrying...\n");
189 com_err(debug_prog_name, retval,
190 "while trying to open %s", device);
191 if (retval == EXT2_ET_BAD_MAGIC)
192 check_plausibility(device, CHECK_FS_EXIST, NULL);
196 current_fs->default_bitmap_type = EXT2FS_BMAP64_RBTREE;
199 retval = ext2fs_read_bitmaps(current_fs);
201 com_err(device, retval,
202 "while reading allocation bitmaps");
208 retval = ext2fs_set_data_io(current_fs, data_io);
210 com_err(device, retval,
211 "while setting data source");
216 root = cwd = EXT2_ROOT_INO;
220 retval = ext2fs_close_free(¤t_fs);
222 com_err(device, retval, "while trying to close filesystem");
225 void do_open_filesys(int argc, char **argv, int sci_idx EXT2FS_ATTR((unused)),
226 void *infop EXT2FS_ATTR((unused)))
229 int catastrophic = 0;
230 blk64_t superblock = 0;
231 blk64_t blocksize = 0;
232 int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS |
234 char *data_filename = 0;
235 char *undo_file = NULL;
238 while ((c = getopt(argc, argv, "iwfecb:s:d:Dz:")) != EOF) {
241 open_flags |= EXT2_FLAG_IMAGE_FILE;
247 open_flags |= EXT2_FLAG_RW;
248 #endif /* READ_ONLY */
251 open_flags |= EXT2_FLAG_FORCE;
254 open_flags |= EXT2_FLAG_EXCLUSIVE;
260 data_filename = optarg;
263 open_flags |= EXT2_FLAG_DIRECT_IO;
266 blocksize = parse_ulong(optarg, argv[0],
272 err = strtoblk(argv[0], optarg,
273 "superblock block number", &superblock);
288 if (optind != argc-1) {
291 if (check_fs_not_open(argv[0]))
293 open_filesystem(argv[optind], open_flags,
294 superblock, blocksize, catastrophic,
295 data_filename, undo_file);
299 fprintf(stderr, "%s: Usage: open [-s superblock] [-b blocksize] "
301 "[-d image_filename] [-z undo_file] [-c] [-i] [-f] [-e] [-D] "
303 "[-d image_filename] [-c] [-i] [-f] [-e] [-D] [-w] "
305 "<device>\n", argv[0]);
308 void do_lcd(int argc, char **argv, int sci_idx EXT2FS_ATTR((unused)),
309 void *infop EXT2FS_ATTR((unused)))
312 com_err(argv[0], 0, "Usage: %s %s", argv[0], "<native dir>");
316 if (chdir(argv[1]) == -1) {
317 com_err(argv[0], errno,
318 "while trying to change native directory to %s",
324 static void close_filesystem(NOARGS)
328 if (current_fs->flags & EXT2_FLAG_IB_DIRTY) {
329 retval = ext2fs_write_inode_bitmap(current_fs);
331 com_err("ext2fs_write_inode_bitmap", retval, 0);
333 if (current_fs->flags & EXT2_FLAG_BB_DIRTY) {
334 retval = ext2fs_write_block_bitmap(current_fs);
336 com_err("ext2fs_write_block_bitmap", retval, 0);
339 quota_release_context(¤t_qctx);
340 retval = ext2fs_close_free(¤t_fs);
342 com_err("ext2fs_close", retval, 0);
346 void do_close_filesys(int argc, char **argv, int sci_idx EXT2FS_ATTR((unused)),
347 void *infop EXT2FS_ATTR((unused)))
351 if (check_fs_open(argv[0]))
355 while ((c = getopt (argc, argv, "a")) != EOF) {
358 current_fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
367 com_err(0, 0, "Usage: close_filesys [-a]");
375 void do_init_filesys(int argc, char **argv, int sci_idx EXT2FS_ATTR((unused)),
376 void *infop EXT2FS_ATTR((unused)))
378 struct ext2_super_block param;
383 if (common_args_process(argc, argv, 3, 3, "initialize",
384 "<device> <blocks>", CHECK_FS_NOTOPEN))
387 memset(¶m, 0, sizeof(struct ext2_super_block));
388 err = strtoblk(argv[0], argv[2], "blocks count", &blocks);
391 ext2fs_blocks_count_set(¶m, blocks);
392 retval = ext2fs_initialize(argv[1], 0, ¶m,
393 unix_io_manager, ¤t_fs);
395 com_err(argv[1], retval, "while initializing filesystem");
399 root = cwd = EXT2_ROOT_INO;
403 static void print_features(struct ext2_super_block * s, FILE *f)
406 __u32 *mask = &s->s_feature_compat, m;
408 fputs("Filesystem features:", f);
409 for (i=0; i <3; i++,mask++) {
410 for (j=0,m=1; j < 32; j++, m<<=1) {
412 fprintf(f, " %s", e2p_feature2string(i, m));
421 #endif /* READ_ONLY */
423 static void print_bg_opts(ext2_filsys fs, dgrp_t group, int mask,
424 const char *str, int *first, FILE *f)
426 if (ext2fs_bg_flags_test(fs, group, mask)) {
436 void do_show_super_stats(int argc, char *argv[],
437 int sci_idx EXT2FS_ATTR((unused)),
438 void *infop EXT2FS_ATTR((unused)))
440 const char *units ="block";
443 int c, header_only = 0;
444 int numdirs = 0, first, gdt_csum;
447 while ((c = getopt (argc, argv, "h")) != EOF) {
456 if (optind != argc) {
459 if (check_fs_open(argv[0]))
463 if (ext2fs_has_feature_bigalloc(current_fs->super))
466 list_super2(current_fs->super, out);
467 if (ext2fs_has_feature_metadata_csum(current_fs->super) &&
468 !ext2fs_superblock_csum_verify(current_fs,
469 current_fs->super)) {
470 __u32 orig_csum = current_fs->super->s_checksum;
472 ext2fs_superblock_csum_set(current_fs,
474 fprintf(out, "Expected Checksum: 0x%08x\n",
475 current_fs->super->s_checksum);
476 current_fs->super->s_checksum = orig_csum;
478 for (i=0; i < current_fs->group_desc_count; i++)
479 numdirs += ext2fs_bg_used_dirs_count(current_fs, i);
480 fprintf(out, "Directories: %u\n", numdirs);
487 gdt_csum = ext2fs_has_group_desc_csum(current_fs);
488 for (i = 0; i < current_fs->group_desc_count; i++) {
489 fprintf(out, " Group %2d: block bitmap at %llu, "
490 "inode bitmap at %llu, "
491 "inode table at %llu\n"
495 (unsigned long long) ext2fs_block_bitmap_loc(current_fs, i),
496 (unsigned long long) ext2fs_inode_bitmap_loc(current_fs, i),
497 (unsigned long long) ext2fs_inode_table_loc(current_fs, i),
498 ext2fs_bg_free_blocks_count(current_fs, i),
500 ext2fs_bg_free_blocks_count(current_fs, i) != 1 ?
502 ext2fs_bg_free_inodes_count(current_fs, i),
503 ext2fs_bg_free_inodes_count(current_fs, i) != 1 ?
505 ext2fs_bg_used_dirs_count(current_fs, i),
506 ext2fs_bg_used_dirs_count(current_fs, i) != 1 ? "directories"
507 : "directory", gdt_csum ? ", " : "\n");
509 fprintf(out, "%u unused %s\n",
510 ext2fs_bg_itable_unused(current_fs, i),
511 ext2fs_bg_itable_unused(current_fs, i) != 1 ?
514 print_bg_opts(current_fs, i, EXT2_BG_INODE_UNINIT, "Inode not init",
516 print_bg_opts(current_fs, i, EXT2_BG_BLOCK_UNINIT, "Block not init",
519 fprintf(out, "%sChecksum 0x%04x",
520 first ? " [":", ", ext2fs_bg_checksum(current_fs, i));
529 fprintf(stderr, "%s: Usage: show_super_stats [-h]\n", argv[0]);
533 void do_dirty_filesys(int argc EXT2FS_ATTR((unused)),
534 char **argv EXT2FS_ATTR((unused)),
535 int sci_idx EXT2FS_ATTR((unused)),
536 void *infop EXT2FS_ATTR((unused)))
538 if (check_fs_open(argv[0]))
540 if (check_fs_read_write(argv[0]))
543 if (argv[1] && !strcmp(argv[1], "-clean"))
544 current_fs->super->s_state |= EXT2_VALID_FS;
546 current_fs->super->s_state &= ~EXT2_VALID_FS;
547 ext2fs_mark_super_dirty(current_fs);
549 #endif /* READ_ONLY */
551 struct list_blocks_struct {
554 blk64_t first_block, last_block;
555 e2_blkcnt_t first_bcnt, last_bcnt;
559 static void finish_range(struct list_blocks_struct *lb)
561 if (lb->first_block == 0)
566 fprintf(lb->f, ", ");
567 if (lb->first_block == lb->last_block)
568 fprintf(lb->f, "(%lld):%llu",
569 (long long)lb->first_bcnt,
570 (unsigned long long) lb->first_block);
572 fprintf(lb->f, "(%lld-%lld):%llu-%llu",
573 (long long)lb->first_bcnt, (long long)lb->last_bcnt,
574 (unsigned long long) lb->first_block,
575 (unsigned long long) lb->last_block);
579 static int list_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
580 blk64_t *blocknr, e2_blkcnt_t blockcnt,
581 blk64_t ref_block EXT2FS_ATTR((unused)),
582 int ref_offset EXT2FS_ATTR((unused)),
585 struct list_blocks_struct *lb = (struct list_blocks_struct *) private;
590 * See if we can add on to the existing range (if it exists)
592 if (lb->first_block &&
593 (lb->last_block+1 == *blocknr) &&
594 (lb->last_bcnt+1 == blockcnt)) {
595 lb->last_block = *blocknr;
596 lb->last_bcnt = blockcnt;
603 lb->first_block = lb->last_block = *blocknr;
604 lb->first_bcnt = lb->last_bcnt = blockcnt;
608 * Not a normal block. Always force a new range.
614 fprintf(lb->f, ", ");
616 fprintf(lb->f, "(IND):%llu", (unsigned long long) *blocknr);
617 else if (blockcnt == -2)
618 fprintf(lb->f, "(DIND):%llu", (unsigned long long) *blocknr);
619 else if (blockcnt == -3)
620 fprintf(lb->f, "(TIND):%llu", (unsigned long long) *blocknr);
624 static void internal_dump_inode_extra(FILE *out,
625 const char *prefix EXT2FS_ATTR((unused)),
626 ext2_ino_t inode_num EXT2FS_ATTR((unused)),
627 struct ext2_inode_large *inode)
629 fprintf(out, "Size of extra inode fields: %u\n", inode->i_extra_isize);
630 if (inode->i_extra_isize > EXT2_INODE_SIZE(current_fs->super) -
631 EXT2_GOOD_OLD_INODE_SIZE) {
632 fprintf(stderr, "invalid inode->i_extra_isize (%u)\n",
633 inode->i_extra_isize);
638 static void dump_blocks(FILE *f, const char *prefix, ext2_ino_t inode)
640 struct list_blocks_struct lb;
642 fprintf(f, "%sBLOCKS:\n%s", prefix, prefix);
647 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
648 list_blocks_proc, (void *)&lb);
651 fprintf(f, "\n%sTOTAL: %lld\n", prefix, (long long)lb.total);
655 static int int_log10(unsigned long long arg)
667 #define DUMP_LEAF_EXTENTS 0x01
668 #define DUMP_NODE_EXTENTS 0x02
669 #define DUMP_EXTENT_TABLE 0x04
671 static void dump_extents(FILE *f, const char *prefix, ext2_ino_t ino,
672 int flags, int logical_width, int physical_width)
674 ext2_extent_handle_t handle;
675 struct ext2fs_extent extent;
676 struct ext2_extent_info info;
677 int op = EXT2_EXTENT_ROOT;
678 unsigned int printed = 0;
681 errcode = ext2fs_extent_open(current_fs, ino, &handle);
685 if (flags & DUMP_EXTENT_TABLE)
686 fprintf(f, "Level Entries %*s %*s Length Flags\n",
687 (logical_width*2)+3, "Logical",
688 (physical_width*2)+3, "Physical");
690 fprintf(f, "%sEXTENTS:\n%s", prefix, prefix);
693 errcode = ext2fs_extent_get(handle, op, &extent);
698 op = EXT2_EXTENT_NEXT;
700 if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
703 if (extent.e_flags & EXT2_EXTENT_FLAGS_LEAF) {
704 if ((flags & DUMP_LEAF_EXTENTS) == 0)
707 if ((flags & DUMP_NODE_EXTENTS) == 0)
711 errcode = ext2fs_extent_get_info(handle, &info);
715 if (!(extent.e_flags & EXT2_EXTENT_FLAGS_LEAF)) {
716 if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
719 if (flags & DUMP_EXTENT_TABLE) {
720 fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
722 info.curr_level, info.max_depth,
723 info.curr_entry, info.num_entries,
725 (unsigned long long) extent.e_lblk,
727 (unsigned long long) extent.e_lblk + (extent.e_len - 1),
729 (unsigned long long) extent.e_pblk,
730 physical_width+3, "", extent.e_len);
734 fprintf(f, "%s(ETB%d):%llu",
735 printed ? ", " : "", info.curr_level,
736 (unsigned long long) extent.e_pblk);
741 if (flags & DUMP_EXTENT_TABLE) {
742 fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
743 "%*llu - %*llu %6u %s\n",
744 info.curr_level, info.max_depth,
745 info.curr_entry, info.num_entries,
747 (unsigned long long) extent.e_lblk,
749 (unsigned long long) extent.e_lblk + (extent.e_len - 1),
751 (unsigned long long) extent.e_pblk,
753 (unsigned long long) extent.e_pblk + (extent.e_len - 1),
755 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
760 if (extent.e_len == 0)
762 else if (extent.e_len == 1)
766 (unsigned long long) extent.e_lblk,
767 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
769 (unsigned long long) extent.e_pblk);
772 "%s(%lld-%lld%s):%lld-%lld",
774 (unsigned long long) extent.e_lblk,
775 (unsigned long long) extent.e_lblk + (extent.e_len - 1),
776 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
778 (unsigned long long) extent.e_pblk,
779 (unsigned long long) extent.e_pblk + (extent.e_len - 1));
784 ext2fs_extent_free(handle);
787 static void dump_inline_data(FILE *out, const char *prefix, ext2_ino_t inode_num)
792 retval = ext2fs_inline_data_size(current_fs, inode_num, &size);
794 fprintf(out, "%sSize of inline data: %zu\n", prefix, size);
797 static void dump_inline_symlink(FILE *out, ext2_ino_t inode_num,
798 struct ext2_inode *inode, const char *prefix)
804 retval = ext2fs_inline_data_size(current_fs, inode_num, &size);
808 retval = ext2fs_get_memzero(size + 1, &buf);
812 retval = ext2fs_inline_data_get(current_fs, inode_num,
817 fprintf(out, "%sFast link dest: \"%.*s\"\n", prefix,
821 ext2fs_free_mem(&buf);
823 com_err(__func__, retval, "while dumping link destination");
826 void internal_dump_inode(FILE *out, const char *prefix,
827 ext2_ino_t inode_num, struct ext2_inode *inode,
832 int os = current_fs->super->s_creator_os;
833 struct ext2_inode_large *large_inode;
834 int is_large_inode = 0;
836 if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
838 large_inode = (struct ext2_inode_large *) inode;
840 if (LINUX_S_ISDIR(inode->i_mode)) i_type = "directory";
841 else if (LINUX_S_ISREG(inode->i_mode)) i_type = "regular";
842 else if (LINUX_S_ISLNK(inode->i_mode)) i_type = "symlink";
843 else if (LINUX_S_ISBLK(inode->i_mode)) i_type = "block special";
844 else if (LINUX_S_ISCHR(inode->i_mode)) i_type = "character special";
845 else if (LINUX_S_ISFIFO(inode->i_mode)) i_type = "FIFO";
846 else if (LINUX_S_ISSOCK(inode->i_mode)) i_type = "socket";
847 else i_type = "bad type";
848 fprintf(out, "%sInode: %u Type: %s ", prefix, inode_num, i_type);
849 fprintf(out, "%sMode: 0%03o Flags: 0x%x\n",
850 prefix, inode->i_mode & 07777, inode->i_flags);
851 if (is_large_inode && large_inode->i_extra_isize >= 24) {
852 fprintf(out, "%sGeneration: %u Version: 0x%08x:%08x\n",
853 prefix, inode->i_generation, large_inode->i_version_hi,
854 inode->osd1.linux1.l_i_version);
856 fprintf(out, "%sGeneration: %u Version: 0x%08x\n", prefix,
857 inode->i_generation, inode->osd1.linux1.l_i_version);
859 fprintf(out, "%sUser: %5d Group: %5d",
860 prefix, inode_uid(*inode), inode_gid(*inode));
861 if (is_large_inode && large_inode->i_extra_isize >= 32)
862 fprintf(out, " Project: %5d", large_inode->i_projid);
863 fputs(" Size: ", out);
864 if (LINUX_S_ISREG(inode->i_mode) || LINUX_S_ISDIR(inode->i_mode))
865 fprintf(out, "%llu\n", (unsigned long long) EXT2_I_SIZE(inode));
867 fprintf(out, "%u\n", inode->i_size);
868 if (os == EXT2_OS_HURD)
870 "%sFile ACL: %u Translator: %u\n",
873 inode->osd1.hurd1.h_i_translator);
875 fprintf(out, "%sFile ACL: %llu\n",
877 inode->i_file_acl | ((long long)
878 (inode->osd2.linux2.l_i_file_acl_high) << 32));
879 if (os != EXT2_OS_HURD)
880 fprintf(out, "%sLinks: %u Blockcount: %llu\n",
881 prefix, inode->i_links_count,
882 (((unsigned long long)
883 inode->osd2.linux2.l_i_blocks_hi << 32)) +
886 fprintf(out, "%sLinks: %u Blockcount: %u\n",
887 prefix, inode->i_links_count, inode->i_blocks);
890 frag = inode->osd2.hurd2.h_i_frag;
891 fsize = inode->osd2.hurd2.h_i_fsize;
896 fprintf(out, "%sFragment: Address: %u Number: %u Size: %u\n",
897 prefix, inode->i_faddr, frag, fsize);
898 if (is_large_inode && large_inode->i_extra_isize >= 24) {
899 fprintf(out, "%s ctime: 0x%08x:%08x -- %s", prefix,
900 inode->i_ctime, large_inode->i_ctime_extra,
901 inode_time_to_string(inode->i_ctime,
902 large_inode->i_ctime_extra));
903 fprintf(out, "%s atime: 0x%08x:%08x -- %s", prefix,
904 inode->i_atime, large_inode->i_atime_extra,
905 inode_time_to_string(inode->i_atime,
906 large_inode->i_atime_extra));
907 fprintf(out, "%s mtime: 0x%08x:%08x -- %s", prefix,
908 inode->i_mtime, large_inode->i_mtime_extra,
909 inode_time_to_string(inode->i_mtime,
910 large_inode->i_mtime_extra));
911 fprintf(out, "%scrtime: 0x%08x:%08x -- %s", prefix,
912 large_inode->i_crtime, large_inode->i_crtime_extra,
913 inode_time_to_string(large_inode->i_crtime,
914 large_inode->i_crtime_extra));
916 fprintf(out, "%s dtime: 0x%08x:(%08x) -- %s", prefix,
917 large_inode->i_dtime, large_inode->i_ctime_extra,
918 inode_time_to_string(inode->i_dtime,
919 large_inode->i_ctime_extra));
921 fprintf(out, "%sctime: 0x%08x -- %s", prefix, inode->i_ctime,
922 time_to_string((__s32) inode->i_ctime));
923 fprintf(out, "%satime: 0x%08x -- %s", prefix, inode->i_atime,
924 time_to_string((__s32) inode->i_atime));
925 fprintf(out, "%smtime: 0x%08x -- %s", prefix, inode->i_mtime,
926 time_to_string((__s32) inode->i_mtime));
928 fprintf(out, "%sdtime: 0x%08x -- %s", prefix,
930 time_to_string((__s32) inode->i_dtime));
932 if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
933 internal_dump_inode_extra(out, prefix, inode_num,
934 (struct ext2_inode_large *) inode);
935 dump_inode_attributes(out, inode_num);
936 if (ext2fs_has_feature_metadata_csum(current_fs->super)) {
937 __u32 crc = inode->i_checksum_lo;
938 if (is_large_inode &&
939 large_inode->i_extra_isize >=
940 (offsetof(struct ext2_inode_large,
942 EXT2_GOOD_OLD_INODE_SIZE))
943 crc |= ((__u32)large_inode->i_checksum_hi) << 16;
944 fprintf(out, "Inode checksum: 0x%08x\n", crc);
947 if (LINUX_S_ISLNK(inode->i_mode) && ext2fs_is_fast_symlink(inode))
948 fprintf(out, "%sFast link dest: \"%.*s\"\n", prefix,
949 (int)EXT2_I_SIZE(inode), (char *)inode->i_block);
950 else if (LINUX_S_ISLNK(inode->i_mode) &&
951 (inode->i_flags & EXT4_INLINE_DATA_FL))
952 dump_inline_symlink(out, inode_num, inode, prefix);
953 else if (LINUX_S_ISBLK(inode->i_mode) || LINUX_S_ISCHR(inode->i_mode)) {
957 if (inode->i_block[0]) {
958 major = (inode->i_block[0] >> 8) & 255;
959 minor = inode->i_block[0] & 255;
962 major = (inode->i_block[1] & 0xfff00) >> 8;
963 minor = ((inode->i_block[1] & 0xff) |
964 ((inode->i_block[1] >> 12) & 0xfff00));
965 devnote = "(New-style) ";
967 fprintf(out, "%sDevice major/minor number: %02d:%02d (hex %02x:%02x)\n",
968 devnote, major, minor, major, minor);
969 } else if (do_dump_blocks) {
970 if (inode->i_flags & EXT4_EXTENTS_FL)
971 dump_extents(out, prefix, inode_num,
972 DUMP_LEAF_EXTENTS|DUMP_NODE_EXTENTS, 0, 0);
973 else if (inode->i_flags & EXT4_INLINE_DATA_FL)
974 dump_inline_data(out, prefix, inode_num);
976 dump_blocks(out, prefix, inode_num);
980 static void dump_inode(ext2_ino_t inode_num, struct ext2_inode *inode)
985 internal_dump_inode(out, "", inode_num, inode, 1);
989 void do_stat(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
990 void *infop EXT2FS_ATTR((unused)))
993 struct ext2_inode * inode_buf;
995 if (check_fs_open(argv[0]))
998 inode_buf = (struct ext2_inode *)
999 malloc(EXT2_INODE_SIZE(current_fs->super));
1001 fprintf(stderr, "do_stat: can't allocate buffer\n");
1005 if (common_inode_args_process(argc, argv, &inode, 0)) {
1010 if (debugfs_read_inode2(inode, inode_buf, argv[0],
1011 EXT2_INODE_SIZE(current_fs->super), 0)) {
1016 dump_inode(inode, inode_buf);
1021 void do_dump_extents(int argc, char **argv, int sci_idx EXT2FS_ATTR((unused)),
1022 void *infop EXT2FS_ATTR((unused)))
1024 struct ext2_inode inode;
1032 while ((c = getopt(argc, argv, "nl")) != EOF) {
1035 flags |= DUMP_NODE_EXTENTS;
1038 flags |= DUMP_LEAF_EXTENTS;
1043 if (argc != optind + 1) {
1044 com_err(0, 0, "Usage: dump_extents [-n] [-l] file");
1049 flags = DUMP_NODE_EXTENTS | DUMP_LEAF_EXTENTS;
1050 flags |= DUMP_EXTENT_TABLE;
1052 if (check_fs_open(argv[0]))
1055 ino = string_to_inode(argv[optind]);
1059 if (debugfs_read_inode(ino, &inode, argv[0]))
1062 if ((inode.i_flags & EXT4_EXTENTS_FL) == 0) {
1063 fprintf(stderr, "%s: does not uses extent block maps\n",
1068 logical_width = int_log10((EXT2_I_SIZE(&inode)+current_fs->blocksize-1)/
1069 current_fs->blocksize) + 1;
1070 if (logical_width < 5)
1072 physical_width = int_log10(ext2fs_blocks_count(current_fs->super)) + 1;
1073 if (physical_width < 5)
1077 dump_extents(out, "", ino, flags, logical_width, physical_width);
1082 static int print_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
1084 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1085 blk64_t ref_block EXT2FS_ATTR((unused)),
1086 int ref_offset EXT2FS_ATTR((unused)),
1087 void *private EXT2FS_ATTR((unused)))
1089 printf("%llu ", (unsigned long long) *blocknr);
1093 void do_blocks(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1094 void *infop EXT2FS_ATTR((unused)))
1098 if (check_fs_open(argv[0]))
1101 if (common_inode_args_process(argc, argv, &inode, 0)) {
1105 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
1106 print_blocks_proc, NULL);
1107 fputc('\n', stdout);
1111 void do_chroot(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1112 void *infop EXT2FS_ATTR((unused)))
1117 if (common_inode_args_process(argc, argv, &inode, 0))
1120 retval = ext2fs_check_directory(current_fs, inode);
1122 com_err(argv[1], retval, 0);
1129 void do_clri(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1130 void *infop EXT2FS_ATTR((unused)))
1133 struct ext2_inode inode_buf;
1135 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
1138 if (debugfs_read_inode(inode, &inode_buf, argv[0]))
1140 memset(&inode_buf, 0, sizeof(inode_buf));
1141 if (debugfs_write_inode(inode, &inode_buf, argv[0]))
1145 void do_freei(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1146 void *infop EXT2FS_ATTR((unused)))
1148 unsigned int len = 1;
1152 if (common_args_process(argc, argv, 2, 3, argv[0], "<file> [num]",
1153 CHECK_FS_RW | CHECK_FS_BITMAPS))
1155 if (check_fs_read_write(argv[0]))
1158 inode = string_to_inode(argv[1]);
1163 len = parse_ulong(argv[2], argv[0], "length", &err);
1169 !ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1170 com_err(argv[0], 0, "Warning: inode already clear");
1172 ext2fs_unmark_inode_bitmap2(current_fs->inode_map, inode++);
1173 ext2fs_mark_ib_dirty(current_fs);
1176 void do_seti(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1177 void *infop EXT2FS_ATTR((unused)))
1179 unsigned int len = 1;
1183 if (common_args_process(argc, argv, 2, 3, argv[0], "<file> [num]",
1184 CHECK_FS_RW | CHECK_FS_BITMAPS))
1186 if (check_fs_read_write(argv[0]))
1189 inode = string_to_inode(argv[1]);
1194 len = parse_ulong(argv[2], argv[0], "length", &err);
1200 ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1201 com_err(argv[0], 0, "Warning: inode already set");
1203 ext2fs_mark_inode_bitmap2(current_fs->inode_map, inode++);
1204 ext2fs_mark_ib_dirty(current_fs);
1206 #endif /* READ_ONLY */
1208 void do_testi(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1209 void *infop EXT2FS_ATTR((unused)))
1213 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_BITMAPS))
1216 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1217 printf("Inode %u is marked in use\n", inode);
1219 printf("Inode %u is not in use\n", inode);
1223 void do_freeb(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1224 void *infop EXT2FS_ATTR((unused)))
1229 if (common_block_args_process(argc, argv, &block, &count))
1231 if (check_fs_read_write(argv[0]))
1233 while (count-- > 0) {
1234 if (!ext2fs_test_block_bitmap2(current_fs->block_map,block))
1235 com_err(argv[0], 0, "Warning: block %llu already clear",
1236 (unsigned long long) block);
1237 ext2fs_unmark_block_bitmap2(current_fs->block_map,block);
1240 ext2fs_mark_bb_dirty(current_fs);
1243 void do_setb(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1244 void *infop EXT2FS_ATTR((unused)))
1249 if (common_block_args_process(argc, argv, &block, &count))
1251 if (check_fs_read_write(argv[0]))
1253 while (count-- > 0) {
1254 if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1255 com_err(argv[0], 0, "Warning: block %llu already set",
1256 (unsigned long long) block);
1257 ext2fs_mark_block_bitmap2(current_fs->block_map,block);
1260 ext2fs_mark_bb_dirty(current_fs);
1262 #endif /* READ_ONLY */
1264 void do_testb(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1265 void *infop EXT2FS_ATTR((unused)))
1270 if (common_block_args_process(argc, argv, &block, &count))
1272 while (count-- > 0) {
1273 if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1274 printf("Block %llu marked in use\n",
1275 (unsigned long long) block);
1277 printf("Block %llu not in use\n",
1278 (unsigned long long) block);
1284 static void modify_u8(char *com, const char *prompt,
1285 const char *format, __u8 *val)
1291 sprintf(buf, format, *val);
1292 printf("%30s [%s] ", prompt, buf);
1293 if (!fgets(buf, sizeof(buf), stdin))
1295 if (buf[strlen (buf) - 1] == '\n')
1296 buf[strlen (buf) - 1] = '\0';
1299 v = strtoul(buf, &tmp, 0);
1301 com_err(com, 0, "Bad value - %s", buf);
1306 static void modify_u16(char *com, const char *prompt,
1307 const char *format, __u16 *val)
1313 sprintf(buf, format, *val);
1314 printf("%30s [%s] ", prompt, buf);
1315 if (!fgets(buf, sizeof(buf), stdin))
1317 if (buf[strlen (buf) - 1] == '\n')
1318 buf[strlen (buf) - 1] = '\0';
1321 v = strtoul(buf, &tmp, 0);
1323 com_err(com, 0, "Bad value - %s", buf);
1328 static void modify_u32(char *com, const char *prompt,
1329 const char *format, __u32 *val)
1335 sprintf(buf, format, *val);
1336 printf("%30s [%s] ", prompt, buf);
1337 if (!fgets(buf, sizeof(buf), stdin))
1339 if (buf[strlen (buf) - 1] == '\n')
1340 buf[strlen (buf) - 1] = '\0';
1343 v = strtoul(buf, &tmp, 0);
1345 com_err(com, 0, "Bad value - %s", buf);
1351 void do_modify_inode(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1352 void *infop EXT2FS_ATTR((unused)))
1354 struct ext2_inode inode;
1355 ext2_ino_t inode_num;
1357 unsigned char *frag, *fsize;
1360 const char *hex_format = "0x%x";
1361 const char *octal_format = "0%o";
1362 const char *decimal_format = "%d";
1363 const char *unsignedlong_format = "%lu";
1365 if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1368 os = current_fs->super->s_creator_os;
1370 if (debugfs_read_inode(inode_num, &inode, argv[1]))
1373 modify_u16(argv[0], "Mode", octal_format, &inode.i_mode);
1374 modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid);
1375 modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid);
1376 modify_u32(argv[0], "Size", unsignedlong_format, &inode.i_size);
1377 modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime);
1378 modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime);
1379 modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime);
1380 modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime);
1381 modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count);
1382 if (os == EXT2_OS_LINUX)
1383 modify_u16(argv[0], "Block count high", unsignedlong_format,
1384 &inode.osd2.linux2.l_i_blocks_hi);
1385 modify_u32(argv[0], "Block count", unsignedlong_format, &inode.i_blocks);
1386 modify_u32(argv[0], "File flags", hex_format, &inode.i_flags);
1387 modify_u32(argv[0], "Generation", hex_format, &inode.i_generation);
1389 modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1);
1391 modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl);
1393 modify_u32(argv[0], "High 32bits of size", decimal_format,
1394 &inode.i_size_high);
1396 if (os == EXT2_OS_HURD)
1397 modify_u32(argv[0], "Translator Block",
1398 decimal_format, &inode.osd1.hurd1.h_i_translator);
1400 modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr);
1403 frag = &inode.osd2.hurd2.h_i_frag;
1404 fsize = &inode.osd2.hurd2.h_i_fsize;
1410 modify_u8(argv[0], "Fragment number", decimal_format, frag);
1412 modify_u8(argv[0], "Fragment size", decimal_format, fsize);
1414 for (i=0; i < EXT2_NDIR_BLOCKS; i++) {
1415 sprintf(buf, "Direct Block #%u", i);
1416 modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]);
1418 modify_u32(argv[0], "Indirect Block", decimal_format,
1419 &inode.i_block[EXT2_IND_BLOCK]);
1420 modify_u32(argv[0], "Double Indirect Block", decimal_format,
1421 &inode.i_block[EXT2_DIND_BLOCK]);
1422 modify_u32(argv[0], "Triple Indirect Block", decimal_format,
1423 &inode.i_block[EXT2_TIND_BLOCK]);
1424 if (debugfs_write_inode(inode_num, &inode, argv[1]))
1427 #endif /* READ_ONLY */
1429 void do_change_working_dir(int argc, char *argv[],
1430 int sci_idx EXT2FS_ATTR((unused)),
1431 void *infop EXT2FS_ATTR((unused)))
1436 if (common_inode_args_process(argc, argv, &inode, 0))
1439 retval = ext2fs_check_directory(current_fs, inode);
1441 com_err(argv[1], retval, 0);
1448 void do_print_working_directory(int argc, char *argv[],
1449 int sci_idx EXT2FS_ATTR((unused)),
1450 void *infop EXT2FS_ATTR((unused)))
1453 char *pathname = NULL;
1455 if (common_args_process(argc, argv, 1, 1,
1456 "print_working_directory", "", 0))
1459 retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname);
1461 com_err(argv[0], retval,
1462 "while trying to get pathname of cwd");
1464 printf("[pwd] INODE: %6u PATH: %s\n",
1465 cwd, pathname ? pathname : "NULL");
1470 retval = ext2fs_get_pathname(current_fs, root, 0, &pathname);
1472 com_err(argv[0], retval,
1473 "while trying to get pathname of root");
1475 printf("[root] INODE: %6u PATH: %s\n",
1476 root, pathname ? pathname : "NULL");
1485 static void make_link(char *sourcename, char *destname)
1488 struct ext2_inode inode;
1491 char *dest, *cp, *base_name;
1494 * Get the source inode
1496 ino = string_to_inode(sourcename);
1499 base_name = strrchr(sourcename, '/');
1503 base_name = sourcename;
1505 * Figure out the destination. First see if it exists and is
1508 if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir)))
1512 * OK, it doesn't exist. See if it is
1513 * '<dir>/basename' or 'basename'
1515 cp = strrchr(destname, '/');
1518 dir = string_to_inode(destname);
1528 if (debugfs_read_inode(ino, &inode, sourcename))
1531 retval = ext2fs_link(current_fs, dir, dest, ino,
1532 ext2_file_type(inode.i_mode));
1534 com_err("make_link", retval, 0);
1539 void do_link(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1540 void *infop EXT2FS_ATTR((unused)))
1542 if (common_args_process(argc, argv, 3, 3, "link",
1543 "<source file> <dest_name>", CHECK_FS_RW))
1546 make_link(argv[1], argv[2]);
1549 static int mark_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
1550 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1551 blk64_t ref_block EXT2FS_ATTR((unused)),
1552 int ref_offset EXT2FS_ATTR((unused)),
1553 void *private EXT2FS_ATTR((unused)))
1558 ext2fs_block_alloc_stats2(fs, block, +1);
1562 void do_undel(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1563 void *infop EXT2FS_ATTR((unused)))
1566 struct ext2_inode inode;
1568 if (common_args_process(argc, argv, 2, 3, "undelete",
1569 "<inode_num> [dest_name]",
1570 CHECK_FS_RW | CHECK_FS_BITMAPS))
1573 ino = string_to_inode(argv[1]);
1577 if (debugfs_read_inode(ino, &inode, argv[1]))
1580 if (ext2fs_test_inode_bitmap2(current_fs->inode_map, ino)) {
1581 com_err(argv[1], 0, "Inode is not marked as deleted");
1586 * XXX this function doesn't handle changing the links count on the
1587 * parent directory when undeleting a directory.
1589 inode.i_links_count = LINUX_S_ISDIR(inode.i_mode) ? 2 : 1;
1592 if (debugfs_write_inode(ino, &inode, argv[0]))
1595 ext2fs_block_iterate3(current_fs, ino, BLOCK_FLAG_READ_ONLY, NULL,
1596 mark_blocks_proc, NULL);
1598 ext2fs_inode_alloc_stats2(current_fs, ino, +1, 0);
1601 make_link(argv[1], argv[2]);
1604 static void unlink_file_by_name(char *filename)
1610 base_name = strrchr(filename, '/');
1612 *base_name++ = '\0';
1613 dir = string_to_inode(filename);
1618 base_name = filename;
1620 retval = ext2fs_unlink(current_fs, dir, base_name, 0, 0);
1622 com_err("unlink_file_by_name", retval, 0);
1626 void do_unlink(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1627 void *infop EXT2FS_ATTR((unused)))
1629 if (common_args_process(argc, argv, 2, 2, "link",
1630 "<pathname>", CHECK_FS_RW))
1633 unlink_file_by_name(argv[1]);
1636 void do_copy_inode(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1637 void *infop EXT2FS_ATTR((unused)))
1639 ext2_ino_t src_ino, dest_ino;
1640 unsigned char buf[4096];
1642 if (common_args_process(argc, argv, 3, 3, "copy_inode",
1643 "<source file> <dest_name>", CHECK_FS_RW))
1646 src_ino = string_to_inode(argv[1]);
1650 dest_ino = string_to_inode(argv[2]);
1654 if (debugfs_read_inode2(src_ino, (struct ext2_inode *) buf,
1655 argv[0], sizeof(buf), 0))
1658 if (debugfs_write_inode2(dest_ino, (struct ext2_inode *) buf,
1659 argv[0], sizeof(buf), 0))
1663 #endif /* READ_ONLY */
1665 void do_find_free_block(int argc, char *argv[],
1666 int sci_idx EXT2FS_ATTR((unused)),
1667 void *infop EXT2FS_ATTR((unused)))
1669 blk64_t free_blk, goal, first_free = 0;
1674 if ((argc > 3) || (argc==2 && *argv[1] == '?')) {
1675 com_err(argv[0], 0, "Usage: find_free_block [count [goal]]");
1678 if (check_fs_open(argv[0]))
1682 count = strtol(argv[1],&tmp,0);
1684 com_err(argv[0], 0, "Bad count - %s", argv[1]);
1691 goal = strtol(argv[2], &tmp, 0);
1693 com_err(argv[0], 0, "Bad goal - %s", argv[1]);
1698 goal = current_fs->super->s_first_data_block;
1700 printf("Free blocks found: ");
1701 free_blk = goal - 1;
1702 while (count-- > 0) {
1703 retval = ext2fs_new_block2(current_fs, free_blk + 1, 0,
1706 if (first_free == free_blk)
1709 first_free = free_blk;
1711 com_err("ext2fs_new_block", retval, 0);
1714 printf("%llu ", (unsigned long long) free_blk);
1719 void do_find_free_inode(int argc, char *argv[],
1720 int sci_idx EXT2FS_ATTR((unused)),
1721 void *infop EXT2FS_ATTR((unused)))
1723 ext2_ino_t free_inode, dir;
1728 if (argc > 3 || (argc>1 && *argv[1] == '?')) {
1729 com_err(argv[0], 0, "Usage: find_free_inode [dir [mode]]");
1732 if (check_fs_open(argv[0]))
1736 dir = strtol(argv[1], &tmp, 0);
1738 com_err(argv[0], 0, "Bad dir - %s", argv[1]);
1745 mode = strtol(argv[2], &tmp, 0);
1747 com_err(argv[0], 0, "Bad mode - %s", argv[2]);
1753 retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode);
1755 com_err("ext2fs_new_inode", retval, 0);
1757 printf("Free inode found: %u\n", free_inode);
1761 void do_write(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1762 void *infop EXT2FS_ATTR((unused)))
1766 if (common_args_process(argc, argv, 3, 3, "write",
1767 "<native file> <new file>", CHECK_FS_RW))
1770 retval = do_write_internal(current_fs, cwd, argv[1], argv[2], root);
1772 com_err(argv[0], retval, 0);
1775 void do_mknod(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1776 void *infop EXT2FS_ATTR((unused)))
1778 unsigned long major, minor;
1783 if (check_fs_open(argv[0]))
1785 if (argc < 3 || argv[2][1]) {
1787 com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]");
1792 switch (argv[2][0]) {
1794 st.st_mode = S_IFIFO;
1798 st.st_mode = S_IFCHR;
1802 st.st_mode = S_IFBLK;
1810 major = strtoul(argv[3], argv+3, 0);
1811 minor = strtoul(argv[4], argv+4, 0);
1812 if (major > 65535 || minor > 65535 || argv[3][0] || argv[4][0])
1819 st.st_rdev = makedev(major, minor);
1820 retval = do_mknod_internal(current_fs, cwd, argv[1],
1821 st.st_mode, st.st_rdev);
1823 com_err(argv[0], retval, 0);
1826 void do_mkdir(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1827 void *infop EXT2FS_ATTR((unused)))
1831 if (common_args_process(argc, argv, 2, 2, "mkdir",
1832 "<filename>", CHECK_FS_RW))
1835 retval = do_mkdir_internal(current_fs, cwd, argv[1], root);
1837 com_err(argv[0], retval, 0);
1841 static int release_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
1842 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1843 blk64_t ref_block EXT2FS_ATTR((unused)),
1844 int ref_offset EXT2FS_ATTR((unused)),
1847 blk64_t block = *blocknr;
1848 blk64_t *last_cluster = (blk64_t *)private;
1849 blk64_t cluster = EXT2FS_B2C(fs, block);
1851 if (cluster == *last_cluster)
1854 *last_cluster = cluster;
1856 ext2fs_block_alloc_stats2(fs, block, -1);
1860 static void kill_file_by_inode(ext2_ino_t inode)
1862 struct ext2_inode inode_buf;
1864 if (debugfs_read_inode(inode, &inode_buf, 0))
1866 inode_buf.i_dtime = current_fs->now ? current_fs->now : time(0);
1867 if (debugfs_write_inode(inode, &inode_buf, 0))
1869 if (ext2fs_inode_has_valid_blocks2(current_fs, &inode_buf)) {
1870 blk64_t last_cluster = 0;
1871 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY,
1872 NULL, release_blocks_proc, &last_cluster);
1875 ext2fs_inode_alloc_stats2(current_fs, inode, -1,
1876 LINUX_S_ISDIR(inode_buf.i_mode));
1880 void do_kill_file(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1881 void *infop EXT2FS_ATTR((unused)))
1883 ext2_ino_t inode_num;
1885 if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1888 kill_file_by_inode(inode_num);
1891 void do_rm(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1892 void *infop EXT2FS_ATTR((unused)))
1895 ext2_ino_t inode_num;
1896 struct ext2_inode inode;
1898 if (common_args_process(argc, argv, 2, 2, "rm",
1899 "<filename>", CHECK_FS_RW))
1902 retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1904 com_err(argv[0], retval, "while trying to resolve filename");
1908 if (debugfs_read_inode(inode_num, &inode, argv[0]))
1911 if (LINUX_S_ISDIR(inode.i_mode)) {
1912 com_err(argv[0], 0, "file is a directory");
1916 --inode.i_links_count;
1917 if (debugfs_write_inode(inode_num, &inode, argv[0]))
1920 unlink_file_by_name(argv[1]);
1921 if (inode.i_links_count == 0)
1922 kill_file_by_inode(inode_num);
1930 static int rmdir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)),
1931 int entry EXT2FS_ATTR((unused)),
1932 struct ext2_dir_entry *dirent,
1933 int offset EXT2FS_ATTR((unused)),
1934 int blocksize EXT2FS_ATTR((unused)),
1935 char *buf EXT2FS_ATTR((unused)),
1938 struct rd_struct *rds = (struct rd_struct *) private;
1940 if (dirent->inode == 0)
1942 if ((ext2fs_dirent_name_len(dirent) == 1) && (dirent->name[0] == '.'))
1944 if ((ext2fs_dirent_name_len(dirent) == 2) && (dirent->name[0] == '.') &&
1945 (dirent->name[1] == '.')) {
1946 rds->parent = dirent->inode;
1953 void do_rmdir(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1954 void *infop EXT2FS_ATTR((unused)))
1957 ext2_ino_t inode_num;
1958 struct ext2_inode inode;
1959 struct rd_struct rds;
1961 if (common_args_process(argc, argv, 2, 2, "rmdir",
1962 "<filename>", CHECK_FS_RW))
1965 retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1967 com_err(argv[0], retval, "while trying to resolve filename");
1971 if (debugfs_read_inode(inode_num, &inode, argv[0]))
1974 if (!LINUX_S_ISDIR(inode.i_mode)) {
1975 com_err(argv[0], 0, "file is not a directory");
1982 retval = ext2fs_dir_iterate2(current_fs, inode_num, 0,
1983 0, rmdir_proc, &rds);
1985 com_err(argv[0], retval, "while iterating over directory");
1988 if (rds.empty == 0) {
1989 com_err(argv[0], 0, "directory not empty");
1993 inode.i_links_count = 0;
1994 if (debugfs_write_inode(inode_num, &inode, argv[0]))
1997 unlink_file_by_name(argv[1]);
1998 kill_file_by_inode(inode_num);
2001 if (debugfs_read_inode(rds.parent, &inode, argv[0]))
2003 if (inode.i_links_count > 1)
2004 inode.i_links_count--;
2005 if (debugfs_write_inode(rds.parent, &inode, argv[0]))
2009 #endif /* READ_ONLY */
2011 void do_show_debugfs_params(int argc EXT2FS_ATTR((unused)),
2012 char *argv[] EXT2FS_ATTR((unused)),
2013 int sci_idx EXT2FS_ATTR((unused)),
2014 void *infop EXT2FS_ATTR((unused)))
2017 printf("Open mode: read-%s\n",
2018 current_fs->flags & EXT2_FLAG_RW ? "write" : "only");
2019 printf("Filesystem in use: %s\n",
2020 current_fs ? current_fs->device_name : "--none--");
2024 void do_expand_dir(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
2025 void *infop EXT2FS_ATTR((unused)))
2030 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
2033 retval = ext2fs_expand_dir(current_fs, inode);
2035 com_err("ext2fs_expand_dir", retval, 0);
2039 void do_features(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
2040 void *infop EXT2FS_ATTR((unused)))
2044 if (check_fs_open(argv[0]))
2047 if ((argc != 1) && check_fs_read_write(argv[0]))
2049 for (i=1; i < argc; i++) {
2050 if (e2p_edit_feature(argv[i],
2051 ¤t_fs->super->s_feature_compat, 0))
2052 com_err(argv[0], 0, "Unknown feature: %s\n",
2055 ext2fs_mark_super_dirty(current_fs);
2057 print_features(current_fs->super, stdout);
2059 #endif /* READ_ONLY */
2061 void do_bmap(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
2062 void *infop EXT2FS_ATTR((unused)))
2065 blk64_t blk, pblk = 0;
2066 int c, err, flags = 0, ret_flags = 0;
2069 if (check_fs_open(argv[0]))
2073 while ((c = getopt (argc, argv, "a")) != EOF) {
2076 flags |= BMAP_ALLOC;
2083 if (argc <= optind+1) {
2086 "Usage: bmap [-a] <file> logical_blk [physical_blk]");
2090 ino = string_to_inode(argv[optind++]);
2093 err = strtoblk(argv[0], argv[optind++], "logical block", &blk);
2097 if (argc > optind+1)
2100 if (argc == optind+1) {
2101 err = strtoblk(argv[0], argv[optind++],
2102 "physical block", &pblk);
2105 if (flags & BMAP_ALLOC) {
2106 com_err(0, 0, "Can't set and allocate a block");
2112 errcode = ext2fs_bmap2(current_fs, ino, 0, 0, flags, blk,
2115 com_err(argv[0], errcode,
2116 "while mapping logical block %llu\n",
2117 (unsigned long long) blk);
2120 printf("%llu", (unsigned long long) pblk);
2121 if (ret_flags & BMAP_RET_UNINIT)
2122 fputs(" (uninit)", stdout);
2123 fputc('\n', stdout);
2126 void do_imap(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
2127 void *infop EXT2FS_ATTR((unused)))
2130 unsigned long group, block, block_nr, offset;
2132 if (common_args_process(argc, argv, 2, 2, argv[0],
2135 ino = string_to_inode(argv[1]);
2139 group = (ino - 1) / EXT2_INODES_PER_GROUP(current_fs->super);
2140 offset = ((ino - 1) % EXT2_INODES_PER_GROUP(current_fs->super)) *
2141 EXT2_INODE_SIZE(current_fs->super);
2142 block = offset >> EXT2_BLOCK_SIZE_BITS(current_fs->super);
2143 if (!ext2fs_inode_table_loc(current_fs, (unsigned)group)) {
2144 com_err(argv[0], 0, "Inode table for group %lu is missing\n",
2148 block_nr = ext2fs_inode_table_loc(current_fs, (unsigned)group) +
2150 offset &= (EXT2_BLOCK_SIZE(current_fs->super) - 1);
2152 printf("Inode %u is part of block group %lu\n"
2153 "\tlocated at block %lu, offset 0x%04lx\n", ino, group,
2158 void do_idump(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
2159 void *infop EXT2FS_ATTR((unused)))
2161 struct ext2_inode_large *inode;
2165 unsigned int isize, size, offset = 0;
2169 while ((c = getopt (argc, argv, "bex")) != EOF) {
2170 if (mode || c == '?') {
2172 "Usage: inode_dump [-b]|[-e] <file>");
2177 if (optind != argc-1)
2180 if (check_fs_open(argv[0]))
2183 ino = string_to_inode(argv[optind]);
2187 isize = EXT2_INODE_SIZE(current_fs->super);
2188 err = ext2fs_get_mem(isize, &buf);
2190 com_err(argv[0], err, "while allocating memory");
2194 err = ext2fs_read_inode_full(current_fs, ino,
2195 (struct ext2_inode *)buf, isize);
2197 com_err(argv[0], err, "while reading inode %u", ino);
2201 inode = (struct ext2_inode_large *) buf;
2205 offset = ((char *) (&inode->i_block)) - ((char *) buf);
2206 size = sizeof(inode->i_block);
2210 if (size <= EXT2_GOOD_OLD_INODE_SIZE) {
2211 com_err(argv[0], 0, "No extra space in inode");
2214 offset = EXT2_GOOD_OLD_INODE_SIZE + inode->i_extra_isize;
2221 raw_inode_xattr_dump(stdout, buf + offset, size);
2223 do_byte_hexdump(stdout, buf + offset, size);
2225 ext2fs_free_mem(&buf);
2229 void do_set_current_time(int argc, char *argv[],
2230 int sci_idx EXT2FS_ATTR((unused)),
2231 void *infop EXT2FS_ATTR((unused)))
2235 if (common_args_process(argc, argv, 2, 2, argv[0],
2239 now = string_to_time(argv[1]);
2241 com_err(argv[0], 0, "Couldn't parse argument as a time: %s\n",
2246 printf("Setting current time to %s\n", time_to_string(now));
2247 current_fs->now = now;
2250 #endif /* READ_ONLY */
2252 static int find_supp_feature(__u32 *supp, int feature_type, char *name)
2254 int compat, bit, ret;
2255 unsigned int feature_mask;
2258 if (feature_type == E2P_FS_FEATURE)
2259 ret = e2p_string2feature(name, &compat, &feature_mask);
2261 ret = e2p_jrnl_string2feature(name, &compat,
2266 if (!(supp[compat] & feature_mask))
2269 for (compat = 0; compat < 3; compat++) {
2270 for (bit = 0, feature_mask = 1; bit < 32;
2271 bit++, feature_mask <<= 1) {
2272 if (supp[compat] & feature_mask) {
2273 if (feature_type == E2P_FS_FEATURE)
2274 fprintf(stdout, " %s",
2275 e2p_feature2string(compat,
2278 fprintf(stdout, " %s",
2279 e2p_jrnl_feature2string(compat,
2284 fprintf(stdout, "\n");
2290 void do_supported_features(int argc, char *argv[],
2291 int sci_idx EXT2FS_ATTR((unused)),
2292 void *infop EXT2FS_ATTR((unused)))
2295 __u32 supp[3] = { EXT2_LIB_FEATURE_COMPAT_SUPP,
2296 EXT2_LIB_FEATURE_INCOMPAT_SUPP,
2297 EXT2_LIB_FEATURE_RO_COMPAT_SUPP };
2298 __u32 jrnl_supp[3] = { JBD2_KNOWN_COMPAT_FEATURES,
2299 JBD2_KNOWN_INCOMPAT_FEATURES,
2300 JBD2_KNOWN_ROCOMPAT_FEATURES };
2303 ret = find_supp_feature(supp, E2P_FS_FEATURE, argv[1]);
2305 ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE,
2309 com_err(argv[0], 0, "Unknown feature: %s\n", argv[1]);
2311 fprintf(stdout, "Supported feature: %s\n", argv[1]);
2313 fprintf(stdout, "Supported features:");
2314 ret = find_supp_feature(supp, E2P_FS_FEATURE, NULL);
2315 ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE, NULL);
2320 void do_punch(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
2321 void *infop EXT2FS_ATTR((unused)))
2328 if (common_args_process(argc, argv, 3, 4, argv[0],
2329 "<file> start_blk [end_blk]",
2330 CHECK_FS_RW | CHECK_FS_BITMAPS))
2333 ino = string_to_inode(argv[1]);
2336 err = strtoblk(argv[0], argv[2], "logical block", &start);
2340 err = strtoblk(argv[0], argv[3], "logical block", &end);
2346 errcode = ext2fs_punch(current_fs, ino, 0, 0, start, end);
2349 com_err(argv[0], errcode,
2350 "while truncating inode %u from %llu to %llu\n", ino,
2351 (unsigned long long) start, (unsigned long long) end);
2356 void do_fallocate(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
2357 void *infop EXT2FS_ATTR((unused)))
2364 if (common_args_process(argc, argv, 3, 4, argv[0],
2365 "<file> start_blk [end_blk]",
2366 CHECK_FS_RW | CHECK_FS_BITMAPS))
2369 ino = string_to_inode(argv[1]);
2372 err = strtoblk(argv[0], argv[2], "logical block", &start);
2376 err = strtoblk(argv[0], argv[3], "logical block", &end);
2382 errcode = ext2fs_fallocate(current_fs, EXT2_FALLOCATE_INIT_BEYOND_EOF,
2383 ino, NULL, ~0ULL, start, end - start + 1);
2386 com_err(argv[0], errcode,
2387 "while fallocating inode %u from %llu to %llu\n", ino,
2388 (unsigned long long) start, (unsigned long long) end);
2393 void do_symlink(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
2394 void *infop EXT2FS_ATTR((unused)))
2398 if (common_args_process(argc, argv, 3, 3, "symlink",
2399 "<filename> <target>", CHECK_FS_RW))
2402 retval = do_symlink_internal(current_fs, cwd, argv[1], argv[2], root);
2404 com_err(argv[0], retval, 0);
2407 #endif /* READ_ONLY */
2410 void do_dump_mmp(int argc EXT2FS_ATTR((unused)), char *argv[],
2411 int sci_idx EXT2FS_ATTR((unused)),
2412 void *infop EXT2FS_ATTR((unused)))
2414 struct mmp_struct *mmp_s;
2415 unsigned long long mmp_block;
2417 errcode_t retval = 0;
2419 if (check_fs_open(argv[0]))
2424 mmp_block = strtoull(argv[1], &end, 0);
2425 if (end == argv[0] || mmp_block == 0) {
2426 fprintf(stderr, "%s: invalid MMP block '%s' given\n",
2431 mmp_block = current_fs->super->s_mmp_block;
2434 if (mmp_block == 0) {
2435 fprintf(stderr, "%s: MMP: not active on this filesystem.\n",
2440 if (current_fs->mmp_buf == NULL) {
2441 retval = ext2fs_get_mem(current_fs->blocksize,
2442 ¤t_fs->mmp_buf);
2444 com_err(argv[0], retval, "allocating MMP buffer.\n");
2449 mmp_s = current_fs->mmp_buf;
2451 retval = ext2fs_mmp_read(current_fs, mmp_block, current_fs->mmp_buf);
2453 com_err(argv[0], retval, "reading MMP block %llu.\n",
2454 (unsigned long long) mmp_block);
2458 t = mmp_s->mmp_time;
2459 fprintf(stdout, "block_number: %llu\n",
2460 (unsigned long long) current_fs->super->s_mmp_block);
2461 fprintf(stdout, "update_interval: %d\n",
2462 current_fs->super->s_mmp_update_interval);
2463 fprintf(stdout, "check_interval: %d\n", mmp_s->mmp_check_interval);
2464 fprintf(stdout, "sequence: %08x\n", mmp_s->mmp_seq);
2465 fprintf(stdout, "time: %llu -- %s",
2466 (unsigned long long) mmp_s->mmp_time, ctime(&t));
2467 fprintf(stdout, "node_name: %.*s\n",
2468 EXT2_LEN_STR(mmp_s->mmp_nodename));
2469 fprintf(stdout, "device_name: %.*s\n",
2470 EXT2_LEN_STR(mmp_s->mmp_bdevname));
2471 fprintf(stdout, "magic: 0x%x\n", mmp_s->mmp_magic);
2472 fprintf(stdout, "checksum: 0x%08x\n", mmp_s->mmp_checksum);
2475 void do_dump_mmp(int argc EXT2FS_ATTR((unused)),
2476 char *argv[] EXT2FS_ATTR((unused)),
2477 int sci_idx EXT2FS_ATTR((unused)),
2478 void *infop EXT2FS_ATTR((unused)))
2480 fprintf(stdout, "MMP is unsupported, please recompile with "
2485 static int source_file(const char *cmd_file, int ss_idx)
2490 int exit_status = 0;
2493 if (strcmp(cmd_file, "-") == 0)
2496 f = fopen(cmd_file, "r");
2504 setbuf(stdout, NULL);
2505 setbuf(stderr, NULL);
2507 if (fgets(buf, sizeof(buf), f) == NULL)
2509 if (buf[0] == '#') {
2513 cp = strchr(buf, '\n');
2516 cp = strchr(buf, '\r');
2519 printf("debugfs: %s\n", buf);
2520 retval = ss_execute_line(ss_idx, buf);
2522 ss_perror(ss_idx, retval, buf);
2531 int main(int argc, char **argv)
2535 "Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] "
2536 "[-R request] [-d data_source_device] [-i] [-n] [-D] [-V] ["
2538 "[-w] [-z undo_file] "
2542 int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES |
2543 EXT2_FLAG_64BITS | EXT2_FLAG_THREADS;
2545 int exit_status = 0;
2547 blk64_t superblock = 0;
2548 blk64_t blocksize = 0;
2549 int catastrophic = 0;
2550 char *data_filename = 0;
2552 const char *opt_string = "nicR:f:b:s:Vd:D";
2554 const char *opt_string = "niwcR:f:b:s:Vd:Dz:";
2556 char *undo_file = NULL;
2557 #ifdef CONFIG_JBD_DEBUG
2561 if (debug_prog_name == 0)
2563 debug_prog_name = "rdebugfs";
2565 debug_prog_name = "debugfs";
2567 add_error_table(&et_ext2_error_table);
2568 fprintf (stderr, "%s %s (%s)\n", debug_prog_name,
2569 E2FSPROGS_VERSION, E2FSPROGS_DATE);
2571 #ifdef CONFIG_JBD_DEBUG
2572 jbd_debug = ss_safe_getenv("DEBUGFS_JBD_DEBUG");
2574 int res = sscanf(jbd_debug, "%d", &journal_enable_debug);
2578 "DEBUGFS_JBD_DEBUG \"%s\" not an integer\n\n",
2584 while ((c = getopt (argc, argv, opt_string)) != EOF) {
2593 data_filename = optarg;
2596 open_flags |= EXT2_FLAG_IMAGE_FILE;
2599 open_flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
2603 open_flags |= EXT2_FLAG_RW;
2607 open_flags |= EXT2_FLAG_DIRECT_IO;
2610 blocksize = parse_ulong(optarg, argv[0],
2614 retval = strtoblk(argv[0], optarg,
2615 "superblock block number",
2624 /* Print version number and exit */
2625 fprintf(stderr, "\tUsing %s\n",
2626 error_message(EXT2_ET_BASE));
2634 com_err(argv[0], 0, usage, debug_prog_name);
2639 open_filesystem(argv[optind], open_flags,
2640 superblock, blocksize, catastrophic,
2641 data_filename, undo_file);
2643 ss_sci_idx = ss_create_invocation(debug_prog_name, "0.0", (char *) NULL,
2644 &debug_cmds, &retval);
2646 ss_perror(ss_sci_idx, retval, "creating invocation");
2649 ss_get_readline(ss_sci_idx);
2651 (void) ss_add_request_table(ss_sci_idx, &ss_std_requests, 1, &retval);
2653 ss_perror(ss_sci_idx, retval, "adding standard requests");
2657 ss_add_request_table(ss_sci_idx, extra_cmds, 1, &retval);
2659 ss_perror(ss_sci_idx, retval, "adding extra requests");
2664 retval = ss_execute_line(ss_sci_idx, request);
2666 ss_perror(ss_sci_idx, retval, request);
2669 } else if (cmd_file) {
2670 exit_status = source_file(cmd_file, ss_sci_idx);
2672 ss_listen(ss_sci_idx);
2675 ss_delete_invocation(ss_sci_idx);
2680 remove_error_table(&et_ext2_error_table);