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 * chaging 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 com_err(device, 0, "catastrophic mode - not reading inode or group bitmaps");
201 retval = ext2fs_read_bitmaps(current_fs);
203 com_err(device, retval,
204 "while reading allocation bitmaps");
210 retval = ext2fs_set_data_io(current_fs, data_io);
212 com_err(device, retval,
213 "while setting data source");
218 root = cwd = EXT2_ROOT_INO;
222 retval = ext2fs_close_free(¤t_fs);
224 com_err(device, retval, "while trying to close filesystem");
227 void do_open_filesys(int argc, char **argv, int sci_idx EXT2FS_ATTR((unused)),
228 void *infop EXT2FS_ATTR((unused)))
231 int catastrophic = 0;
232 blk64_t superblock = 0;
233 blk64_t blocksize = 0;
234 int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS;
235 char *data_filename = 0;
236 char *undo_file = NULL;
239 while ((c = getopt(argc, argv, "iwfecb:s:d:Dz:")) != EOF) {
242 open_flags |= EXT2_FLAG_IMAGE_FILE;
248 open_flags |= EXT2_FLAG_RW;
249 #endif /* READ_ONLY */
252 open_flags |= EXT2_FLAG_FORCE;
255 open_flags |= EXT2_FLAG_EXCLUSIVE;
261 data_filename = optarg;
264 open_flags |= EXT2_FLAG_DIRECT_IO;
267 blocksize = parse_ulong(optarg, argv[0],
273 err = strtoblk(argv[0], optarg,
274 "superblock block number", &superblock);
285 if (optind != argc-1) {
288 if (check_fs_not_open(argv[0]))
290 open_filesystem(argv[optind], open_flags,
291 superblock, blocksize, catastrophic,
292 data_filename, undo_file);
296 fprintf(stderr, "%s: Usage: open [-s superblock] [-b blocksize] "
297 "[-d image_filename] [-z undo_file] [-c] [-i] [-f] [-e] [-D] "
301 "<device>\n", argv[0]);
304 void do_lcd(int argc, char **argv, int sci_idx EXT2FS_ATTR((unused)),
305 void *infop EXT2FS_ATTR((unused)))
308 com_err(argv[0], 0, "Usage: %s %s", argv[0], "<native dir>");
312 if (chdir(argv[1]) == -1) {
313 com_err(argv[0], errno,
314 "while trying to change native directory to %s",
320 static void close_filesystem(NOARGS)
324 if (current_fs->flags & EXT2_FLAG_IB_DIRTY) {
325 retval = ext2fs_write_inode_bitmap(current_fs);
327 com_err("ext2fs_write_inode_bitmap", retval, 0);
329 if (current_fs->flags & EXT2_FLAG_BB_DIRTY) {
330 retval = ext2fs_write_block_bitmap(current_fs);
332 com_err("ext2fs_write_block_bitmap", retval, 0);
335 quota_release_context(¤t_qctx);
336 retval = ext2fs_close_free(¤t_fs);
338 com_err("ext2fs_close", retval, 0);
342 void do_close_filesys(int argc, char **argv, int sci_idx EXT2FS_ATTR((unused)),
343 void *infop EXT2FS_ATTR((unused)))
347 if (check_fs_open(argv[0]))
351 while ((c = getopt (argc, argv, "a")) != EOF) {
354 current_fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
363 com_err(0, 0, "Usage: close_filesys [-a]");
371 void do_init_filesys(int argc, char **argv, int sci_idx EXT2FS_ATTR((unused)),
372 void *infop EXT2FS_ATTR((unused)))
374 struct ext2_super_block param;
379 if (common_args_process(argc, argv, 3, 3, "initialize",
380 "<device> <blocks>", CHECK_FS_NOTOPEN))
383 memset(¶m, 0, sizeof(struct ext2_super_block));
384 err = strtoblk(argv[0], argv[2], "blocks count", &blocks);
387 ext2fs_blocks_count_set(¶m, blocks);
388 retval = ext2fs_initialize(argv[1], 0, ¶m,
389 unix_io_manager, ¤t_fs);
391 com_err(argv[1], retval, "while initializing filesystem");
395 root = cwd = EXT2_ROOT_INO;
399 static void print_features(struct ext2_super_block * s, FILE *f)
402 __u32 *mask = &s->s_feature_compat, m;
404 fputs("Filesystem features:", f);
405 for (i=0; i <3; i++,mask++) {
406 for (j=0,m=1; j < 32; j++, m<<=1) {
408 fprintf(f, " %s", e2p_feature2string(i, m));
417 #endif /* READ_ONLY */
419 static void print_bg_opts(ext2_filsys fs, dgrp_t group, int mask,
420 const char *str, int *first, FILE *f)
422 if (ext2fs_bg_flags_test(fs, group, mask)) {
432 void do_show_super_stats(int argc, char *argv[],
433 int sci_idx EXT2FS_ATTR((unused)),
434 void *infop EXT2FS_ATTR((unused)))
436 const char *units ="block";
439 int c, header_only = 0;
440 int numdirs = 0, first, gdt_csum;
443 while ((c = getopt (argc, argv, "h")) != EOF) {
452 if (optind != argc) {
455 if (check_fs_open(argv[0]))
459 if (ext2fs_has_feature_bigalloc(current_fs->super))
462 list_super2(current_fs->super, out);
463 if (ext2fs_has_feature_metadata_csum(current_fs->super) &&
464 !ext2fs_superblock_csum_verify(current_fs,
465 current_fs->super)) {
466 __u32 orig_csum = current_fs->super->s_checksum;
468 ext2fs_superblock_csum_set(current_fs,
470 fprintf(out, "Expected Checksum: 0x%08x\n",
471 current_fs->super->s_checksum);
472 current_fs->super->s_checksum = orig_csum;
474 for (i=0; i < current_fs->group_desc_count; i++)
475 numdirs += ext2fs_bg_used_dirs_count(current_fs, i);
476 fprintf(out, "Directories: %u\n", numdirs);
483 gdt_csum = ext2fs_has_group_desc_csum(current_fs);
484 for (i = 0; i < current_fs->group_desc_count; i++) {
485 fprintf(out, " Group %2d: block bitmap at %llu, "
486 "inode bitmap at %llu, "
487 "inode table at %llu\n"
491 i, ext2fs_block_bitmap_loc(current_fs, i),
492 ext2fs_inode_bitmap_loc(current_fs, i),
493 ext2fs_inode_table_loc(current_fs, i),
494 ext2fs_bg_free_blocks_count(current_fs, i), units,
495 ext2fs_bg_free_blocks_count(current_fs, i) != 1 ?
497 ext2fs_bg_free_inodes_count(current_fs, i),
498 ext2fs_bg_free_inodes_count(current_fs, i) != 1 ?
500 ext2fs_bg_used_dirs_count(current_fs, i),
501 ext2fs_bg_used_dirs_count(current_fs, i) != 1 ? "directories"
502 : "directory", gdt_csum ? ", " : "\n");
504 fprintf(out, "%u unused %s\n",
505 ext2fs_bg_itable_unused(current_fs, i),
506 ext2fs_bg_itable_unused(current_fs, i) != 1 ?
509 print_bg_opts(current_fs, i, EXT2_BG_INODE_UNINIT, "Inode not init",
511 print_bg_opts(current_fs, i, EXT2_BG_BLOCK_UNINIT, "Block not init",
514 fprintf(out, "%sChecksum 0x%04x",
515 first ? " [":", ", ext2fs_bg_checksum(current_fs, i));
524 fprintf(stderr, "%s: Usage: show_super_stats [-h]\n", argv[0]);
528 void do_dirty_filesys(int argc EXT2FS_ATTR((unused)),
529 char **argv EXT2FS_ATTR((unused)),
530 int sci_idx EXT2FS_ATTR((unused)),
531 void *infop EXT2FS_ATTR((unused)))
533 if (check_fs_open(argv[0]))
535 if (check_fs_read_write(argv[0]))
538 if (argv[1] && !strcmp(argv[1], "-clean"))
539 current_fs->super->s_state |= EXT2_VALID_FS;
541 current_fs->super->s_state &= ~EXT2_VALID_FS;
542 ext2fs_mark_super_dirty(current_fs);
544 #endif /* READ_ONLY */
546 struct list_blocks_struct {
549 blk64_t first_block, last_block;
550 e2_blkcnt_t first_bcnt, last_bcnt;
554 static void finish_range(struct list_blocks_struct *lb)
556 if (lb->first_block == 0)
561 fprintf(lb->f, ", ");
562 if (lb->first_block == lb->last_block)
563 fprintf(lb->f, "(%lld):%llu",
564 (long long)lb->first_bcnt, lb->first_block);
566 fprintf(lb->f, "(%lld-%lld):%llu-%llu",
567 (long long)lb->first_bcnt, (long long)lb->last_bcnt,
568 lb->first_block, lb->last_block);
572 static int list_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
573 blk64_t *blocknr, e2_blkcnt_t blockcnt,
574 blk64_t ref_block EXT2FS_ATTR((unused)),
575 int ref_offset EXT2FS_ATTR((unused)),
578 struct list_blocks_struct *lb = (struct list_blocks_struct *) private;
583 * See if we can add on to the existing range (if it exists)
585 if (lb->first_block &&
586 (lb->last_block+1 == *blocknr) &&
587 (lb->last_bcnt+1 == blockcnt)) {
588 lb->last_block = *blocknr;
589 lb->last_bcnt = blockcnt;
596 lb->first_block = lb->last_block = *blocknr;
597 lb->first_bcnt = lb->last_bcnt = blockcnt;
601 * Not a normal block. Always force a new range.
607 fprintf(lb->f, ", ");
609 fprintf(lb->f, "(IND):%llu", (unsigned long long) *blocknr);
610 else if (blockcnt == -2)
611 fprintf(lb->f, "(DIND):%llu", (unsigned long long) *blocknr);
612 else if (blockcnt == -3)
613 fprintf(lb->f, "(TIND):%llu", (unsigned long long) *blocknr);
617 static void internal_dump_inode_extra(FILE *out,
618 const char *prefix EXT2FS_ATTR((unused)),
619 ext2_ino_t inode_num EXT2FS_ATTR((unused)),
620 struct ext2_inode_large *inode)
622 fprintf(out, "Size of extra inode fields: %u\n", inode->i_extra_isize);
623 if (inode->i_extra_isize > EXT2_INODE_SIZE(current_fs->super) -
624 EXT2_GOOD_OLD_INODE_SIZE) {
625 fprintf(stderr, "invalid inode->i_extra_isize (%u)\n",
626 inode->i_extra_isize);
631 static void dump_blocks(FILE *f, const char *prefix, ext2_ino_t inode)
633 struct list_blocks_struct lb;
635 fprintf(f, "%sBLOCKS:\n%s", prefix, prefix);
640 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
641 list_blocks_proc, (void *)&lb);
644 fprintf(f, "\n%sTOTAL: %lld\n", prefix, (long long)lb.total);
648 static int int_log10(unsigned long long arg)
660 #define DUMP_LEAF_EXTENTS 0x01
661 #define DUMP_NODE_EXTENTS 0x02
662 #define DUMP_EXTENT_TABLE 0x04
664 static void dump_extents(FILE *f, const char *prefix, ext2_ino_t ino,
665 int flags, int logical_width, int physical_width)
667 ext2_extent_handle_t handle;
668 struct ext2fs_extent extent;
669 struct ext2_extent_info info;
670 int op = EXT2_EXTENT_ROOT;
671 unsigned int printed = 0;
674 errcode = ext2fs_extent_open(current_fs, ino, &handle);
678 if (flags & DUMP_EXTENT_TABLE)
679 fprintf(f, "Level Entries %*s %*s Length Flags\n",
680 (logical_width*2)+3, "Logical",
681 (physical_width*2)+3, "Physical");
683 fprintf(f, "%sEXTENTS:\n%s", prefix, prefix);
686 errcode = ext2fs_extent_get(handle, op, &extent);
691 op = EXT2_EXTENT_NEXT;
693 if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
696 if (extent.e_flags & EXT2_EXTENT_FLAGS_LEAF) {
697 if ((flags & DUMP_LEAF_EXTENTS) == 0)
700 if ((flags & DUMP_NODE_EXTENTS) == 0)
704 errcode = ext2fs_extent_get_info(handle, &info);
708 if (!(extent.e_flags & EXT2_EXTENT_FLAGS_LEAF)) {
709 if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
712 if (flags & DUMP_EXTENT_TABLE) {
713 fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
715 info.curr_level, info.max_depth,
716 info.curr_entry, info.num_entries,
720 extent.e_lblk + (extent.e_len - 1),
723 physical_width+3, "", extent.e_len);
727 fprintf(f, "%s(ETB%d):%llu",
728 printed ? ", " : "", info.curr_level,
734 if (flags & DUMP_EXTENT_TABLE) {
735 fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
736 "%*llu - %*llu %6u %s\n",
737 info.curr_level, info.max_depth,
738 info.curr_entry, info.num_entries,
742 extent.e_lblk + (extent.e_len - 1),
746 extent.e_pblk + (extent.e_len - 1),
748 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
753 if (extent.e_len == 0)
755 else if (extent.e_len == 1)
760 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
765 "%s(%lld-%lld%s):%lld-%lld",
768 extent.e_lblk + (extent.e_len - 1),
769 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
772 extent.e_pblk + (extent.e_len - 1));
777 ext2fs_extent_free(handle);
780 static void dump_inline_data(FILE *out, const char *prefix, ext2_ino_t inode_num)
785 retval = ext2fs_inline_data_size(current_fs, inode_num, &size);
787 fprintf(out, "%sSize of inline data: %zu\n", prefix, size);
790 static void dump_inline_symlink(FILE *out, ext2_ino_t inode_num,
791 struct ext2_inode *inode, const char *prefix)
797 retval = ext2fs_inline_data_size(current_fs, inode_num, &size);
801 retval = ext2fs_get_memzero(size + 1, &buf);
805 retval = ext2fs_inline_data_get(current_fs, inode_num,
810 fprintf(out, "%sFast link dest: \"%.*s\"\n", prefix,
814 ext2fs_free_mem(&buf);
816 com_err(__func__, retval, "while dumping link destination");
819 void internal_dump_inode(FILE *out, const char *prefix,
820 ext2_ino_t inode_num, struct ext2_inode *inode,
825 int os = current_fs->super->s_creator_os;
826 struct ext2_inode_large *large_inode;
827 int is_large_inode = 0;
829 if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
831 large_inode = (struct ext2_inode_large *) inode;
833 if (LINUX_S_ISDIR(inode->i_mode)) i_type = "directory";
834 else if (LINUX_S_ISREG(inode->i_mode)) i_type = "regular";
835 else if (LINUX_S_ISLNK(inode->i_mode)) i_type = "symlink";
836 else if (LINUX_S_ISBLK(inode->i_mode)) i_type = "block special";
837 else if (LINUX_S_ISCHR(inode->i_mode)) i_type = "character special";
838 else if (LINUX_S_ISFIFO(inode->i_mode)) i_type = "FIFO";
839 else if (LINUX_S_ISSOCK(inode->i_mode)) i_type = "socket";
840 else i_type = "bad type";
841 fprintf(out, "%sInode: %u Type: %s ", prefix, inode_num, i_type);
842 fprintf(out, "%sMode: 0%03o Flags: 0x%x\n",
843 prefix, inode->i_mode & 07777, inode->i_flags);
844 if (is_large_inode && large_inode->i_extra_isize >= 24) {
845 fprintf(out, "%sGeneration: %u Version: 0x%08x:%08x\n",
846 prefix, inode->i_generation, large_inode->i_version_hi,
847 inode->osd1.linux1.l_i_version);
849 fprintf(out, "%sGeneration: %u Version: 0x%08x\n", prefix,
850 inode->i_generation, inode->osd1.linux1.l_i_version);
852 fprintf(out, "%sUser: %5d Group: %5d",
853 prefix, inode_uid(*inode), inode_gid(*inode));
854 if (is_large_inode && large_inode->i_extra_isize >= 32)
855 fprintf(out, " Project: %5d", large_inode->i_projid);
856 fputs(" Size: ", out);
857 if (LINUX_S_ISREG(inode->i_mode) || LINUX_S_ISDIR(inode->i_mode))
858 fprintf(out, "%llu\n", EXT2_I_SIZE(inode));
860 fprintf(out, "%u\n", inode->i_size);
861 if (os == EXT2_OS_HURD)
863 "%sFile ACL: %u Translator: %u\n",
866 inode->osd1.hurd1.h_i_translator);
868 fprintf(out, "%sFile ACL: %llu\n",
870 inode->i_file_acl | ((long long)
871 (inode->osd2.linux2.l_i_file_acl_high) << 32));
872 if (os != EXT2_OS_HURD)
873 fprintf(out, "%sLinks: %u Blockcount: %llu\n",
874 prefix, inode->i_links_count,
875 (((unsigned long long)
876 inode->osd2.linux2.l_i_blocks_hi << 32)) +
879 fprintf(out, "%sLinks: %u Blockcount: %u\n",
880 prefix, inode->i_links_count, inode->i_blocks);
883 frag = inode->osd2.hurd2.h_i_frag;
884 fsize = inode->osd2.hurd2.h_i_fsize;
889 fprintf(out, "%sFragment: Address: %u Number: %u Size: %u\n",
890 prefix, inode->i_faddr, frag, fsize);
891 if (is_large_inode && large_inode->i_extra_isize >= 24) {
892 fprintf(out, "%s ctime: 0x%08x:%08x -- %s", prefix,
893 inode->i_ctime, large_inode->i_ctime_extra,
894 inode_time_to_string(inode->i_ctime,
895 large_inode->i_ctime_extra));
896 fprintf(out, "%s atime: 0x%08x:%08x -- %s", prefix,
897 inode->i_atime, large_inode->i_atime_extra,
898 inode_time_to_string(inode->i_atime,
899 large_inode->i_atime_extra));
900 fprintf(out, "%s mtime: 0x%08x:%08x -- %s", prefix,
901 inode->i_mtime, large_inode->i_mtime_extra,
902 inode_time_to_string(inode->i_mtime,
903 large_inode->i_mtime_extra));
904 fprintf(out, "%scrtime: 0x%08x:%08x -- %s", prefix,
905 large_inode->i_crtime, large_inode->i_crtime_extra,
906 inode_time_to_string(large_inode->i_crtime,
907 large_inode->i_crtime_extra));
909 fprintf(out, "%s dtime: 0x%08x:(%08x) -- %s", prefix,
910 large_inode->i_dtime, large_inode->i_ctime_extra,
911 inode_time_to_string(inode->i_dtime,
912 large_inode->i_ctime_extra));
914 fprintf(out, "%sctime: 0x%08x -- %s", prefix, inode->i_ctime,
915 time_to_string((__s32) inode->i_ctime));
916 fprintf(out, "%satime: 0x%08x -- %s", prefix, inode->i_atime,
917 time_to_string((__s32) inode->i_atime));
918 fprintf(out, "%smtime: 0x%08x -- %s", prefix, inode->i_mtime,
919 time_to_string((__s32) inode->i_mtime));
921 fprintf(out, "%sdtime: 0x%08x -- %s", prefix,
923 time_to_string((__s32) inode->i_dtime));
925 if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
926 internal_dump_inode_extra(out, prefix, inode_num,
927 (struct ext2_inode_large *) inode);
928 dump_inode_attributes(out, inode_num);
929 if (ext2fs_has_feature_metadata_csum(current_fs->super)) {
930 __u32 crc = inode->i_checksum_lo;
931 if (is_large_inode &&
932 large_inode->i_extra_isize >=
933 (offsetof(struct ext2_inode_large,
935 EXT2_GOOD_OLD_INODE_SIZE))
936 crc |= ((__u32)large_inode->i_checksum_hi) << 16;
937 fprintf(out, "Inode checksum: 0x%08x\n", crc);
940 if (LINUX_S_ISLNK(inode->i_mode) && ext2fs_is_fast_symlink(inode))
941 fprintf(out, "%sFast link dest: \"%.*s\"\n", prefix,
942 (int)EXT2_I_SIZE(inode), (char *)inode->i_block);
943 else if (LINUX_S_ISLNK(inode->i_mode) &&
944 (inode->i_flags & EXT4_INLINE_DATA_FL))
945 dump_inline_symlink(out, inode_num, inode, prefix);
946 else if (LINUX_S_ISBLK(inode->i_mode) || LINUX_S_ISCHR(inode->i_mode)) {
950 if (inode->i_block[0]) {
951 major = (inode->i_block[0] >> 8) & 255;
952 minor = inode->i_block[0] & 255;
955 major = (inode->i_block[1] & 0xfff00) >> 8;
956 minor = ((inode->i_block[1] & 0xff) |
957 ((inode->i_block[1] >> 12) & 0xfff00));
958 devnote = "(New-style) ";
960 fprintf(out, "%sDevice major/minor number: %02d:%02d (hex %02x:%02x)\n",
961 devnote, major, minor, major, minor);
962 } else if (do_dump_blocks) {
963 if (inode->i_flags & EXT4_EXTENTS_FL)
964 dump_extents(out, prefix, inode_num,
965 DUMP_LEAF_EXTENTS|DUMP_NODE_EXTENTS, 0, 0);
966 else if (inode->i_flags & EXT4_INLINE_DATA_FL)
967 dump_inline_data(out, prefix, inode_num);
969 dump_blocks(out, prefix, inode_num);
973 static void dump_inode(ext2_ino_t inode_num, struct ext2_inode *inode)
978 internal_dump_inode(out, "", inode_num, inode, 1);
982 void do_stat(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
983 void *infop EXT2FS_ATTR((unused)))
986 struct ext2_inode * inode_buf;
988 if (check_fs_open(argv[0]))
991 inode_buf = (struct ext2_inode *)
992 malloc(EXT2_INODE_SIZE(current_fs->super));
994 fprintf(stderr, "do_stat: can't allocate buffer\n");
998 if (common_inode_args_process(argc, argv, &inode, 0)) {
1003 if (debugfs_read_inode2(inode, inode_buf, argv[0],
1004 EXT2_INODE_SIZE(current_fs->super), 0)) {
1009 dump_inode(inode, inode_buf);
1014 void do_dump_extents(int argc, char **argv, int sci_idx EXT2FS_ATTR((unused)),
1015 void *infop EXT2FS_ATTR((unused)))
1017 struct ext2_inode inode;
1025 while ((c = getopt(argc, argv, "nl")) != EOF) {
1028 flags |= DUMP_NODE_EXTENTS;
1031 flags |= DUMP_LEAF_EXTENTS;
1036 if (argc != optind + 1) {
1037 com_err(0, 0, "Usage: dump_extents [-n] [-l] file");
1042 flags = DUMP_NODE_EXTENTS | DUMP_LEAF_EXTENTS;
1043 flags |= DUMP_EXTENT_TABLE;
1045 if (check_fs_open(argv[0]))
1048 ino = string_to_inode(argv[optind]);
1052 if (debugfs_read_inode(ino, &inode, argv[0]))
1055 if ((inode.i_flags & EXT4_EXTENTS_FL) == 0) {
1056 fprintf(stderr, "%s: does not uses extent block maps\n",
1061 logical_width = int_log10((EXT2_I_SIZE(&inode)+current_fs->blocksize-1)/
1062 current_fs->blocksize) + 1;
1063 if (logical_width < 5)
1065 physical_width = int_log10(ext2fs_blocks_count(current_fs->super)) + 1;
1066 if (physical_width < 5)
1070 dump_extents(out, "", ino, flags, logical_width, physical_width);
1075 static int print_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
1077 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1078 blk64_t ref_block EXT2FS_ATTR((unused)),
1079 int ref_offset EXT2FS_ATTR((unused)),
1080 void *private EXT2FS_ATTR((unused)))
1082 printf("%llu ", *blocknr);
1086 void do_blocks(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1087 void *infop EXT2FS_ATTR((unused)))
1091 if (check_fs_open(argv[0]))
1094 if (common_inode_args_process(argc, argv, &inode, 0)) {
1098 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
1099 print_blocks_proc, NULL);
1100 fputc('\n', stdout);
1104 void do_chroot(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1105 void *infop EXT2FS_ATTR((unused)))
1110 if (common_inode_args_process(argc, argv, &inode, 0))
1113 retval = ext2fs_check_directory(current_fs, inode);
1115 com_err(argv[1], retval, 0);
1122 void do_clri(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1123 void *infop EXT2FS_ATTR((unused)))
1126 struct ext2_inode inode_buf;
1128 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
1131 if (debugfs_read_inode(inode, &inode_buf, argv[0]))
1133 memset(&inode_buf, 0, sizeof(inode_buf));
1134 if (debugfs_write_inode(inode, &inode_buf, argv[0]))
1138 void do_freei(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1139 void *infop EXT2FS_ATTR((unused)))
1141 unsigned int len = 1;
1145 if (common_args_process(argc, argv, 2, 3, argv[0], "<file> [num]",
1146 CHECK_FS_RW | CHECK_FS_BITMAPS))
1148 if (check_fs_read_write(argv[0]))
1151 inode = string_to_inode(argv[1]);
1156 len = parse_ulong(argv[2], argv[0], "length", &err);
1162 !ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1163 com_err(argv[0], 0, "Warning: inode already clear");
1165 ext2fs_unmark_inode_bitmap2(current_fs->inode_map, inode++);
1166 ext2fs_mark_ib_dirty(current_fs);
1169 void do_seti(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1170 void *infop EXT2FS_ATTR((unused)))
1172 unsigned int len = 1;
1176 if (common_args_process(argc, argv, 2, 3, argv[0], "<file> [num]",
1177 CHECK_FS_RW | CHECK_FS_BITMAPS))
1179 if (check_fs_read_write(argv[0]))
1182 inode = string_to_inode(argv[1]);
1187 len = parse_ulong(argv[2], argv[0], "length", &err);
1193 ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1194 com_err(argv[0], 0, "Warning: inode already set");
1196 ext2fs_mark_inode_bitmap2(current_fs->inode_map, inode++);
1197 ext2fs_mark_ib_dirty(current_fs);
1199 #endif /* READ_ONLY */
1201 void do_testi(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1202 void *infop EXT2FS_ATTR((unused)))
1206 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_BITMAPS))
1209 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1210 printf("Inode %u is marked in use\n", inode);
1212 printf("Inode %u is not in use\n", inode);
1216 void do_freeb(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1217 void *infop EXT2FS_ATTR((unused)))
1222 if (common_block_args_process(argc, argv, &block, &count))
1224 if (check_fs_read_write(argv[0]))
1226 while (count-- > 0) {
1227 if (!ext2fs_test_block_bitmap2(current_fs->block_map,block))
1228 com_err(argv[0], 0, "Warning: block %llu already clear",
1230 ext2fs_unmark_block_bitmap2(current_fs->block_map,block);
1233 ext2fs_mark_bb_dirty(current_fs);
1236 void do_setb(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1237 void *infop EXT2FS_ATTR((unused)))
1242 if (common_block_args_process(argc, argv, &block, &count))
1244 if (check_fs_read_write(argv[0]))
1246 while (count-- > 0) {
1247 if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1248 com_err(argv[0], 0, "Warning: block %llu already set",
1250 ext2fs_mark_block_bitmap2(current_fs->block_map,block);
1253 ext2fs_mark_bb_dirty(current_fs);
1255 #endif /* READ_ONLY */
1257 void do_testb(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1258 void *infop EXT2FS_ATTR((unused)))
1263 if (common_block_args_process(argc, argv, &block, &count))
1265 while (count-- > 0) {
1266 if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1267 printf("Block %llu marked in use\n", block);
1269 printf("Block %llu not in use\n", block);
1275 static void modify_u8(char *com, const char *prompt,
1276 const char *format, __u8 *val)
1282 sprintf(buf, format, *val);
1283 printf("%30s [%s] ", prompt, buf);
1284 if (!fgets(buf, sizeof(buf), stdin))
1286 if (buf[strlen (buf) - 1] == '\n')
1287 buf[strlen (buf) - 1] = '\0';
1290 v = strtoul(buf, &tmp, 0);
1292 com_err(com, 0, "Bad value - %s", buf);
1297 static void modify_u16(char *com, const char *prompt,
1298 const char *format, __u16 *val)
1304 sprintf(buf, format, *val);
1305 printf("%30s [%s] ", prompt, buf);
1306 if (!fgets(buf, sizeof(buf), stdin))
1308 if (buf[strlen (buf) - 1] == '\n')
1309 buf[strlen (buf) - 1] = '\0';
1312 v = strtoul(buf, &tmp, 0);
1314 com_err(com, 0, "Bad value - %s", buf);
1319 static void modify_u32(char *com, const char *prompt,
1320 const char *format, __u32 *val)
1326 sprintf(buf, format, *val);
1327 printf("%30s [%s] ", prompt, buf);
1328 if (!fgets(buf, sizeof(buf), stdin))
1330 if (buf[strlen (buf) - 1] == '\n')
1331 buf[strlen (buf) - 1] = '\0';
1334 v = strtoul(buf, &tmp, 0);
1336 com_err(com, 0, "Bad value - %s", buf);
1342 void do_modify_inode(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1343 void *infop EXT2FS_ATTR((unused)))
1345 struct ext2_inode inode;
1346 ext2_ino_t inode_num;
1348 unsigned char *frag, *fsize;
1351 const char *hex_format = "0x%x";
1352 const char *octal_format = "0%o";
1353 const char *decimal_format = "%d";
1354 const char *unsignedlong_format = "%lu";
1356 if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1359 os = current_fs->super->s_creator_os;
1361 if (debugfs_read_inode(inode_num, &inode, argv[1]))
1364 modify_u16(argv[0], "Mode", octal_format, &inode.i_mode);
1365 modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid);
1366 modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid);
1367 modify_u32(argv[0], "Size", unsignedlong_format, &inode.i_size);
1368 modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime);
1369 modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime);
1370 modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime);
1371 modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime);
1372 modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count);
1373 if (os == EXT2_OS_LINUX)
1374 modify_u16(argv[0], "Block count high", unsignedlong_format,
1375 &inode.osd2.linux2.l_i_blocks_hi);
1376 modify_u32(argv[0], "Block count", unsignedlong_format, &inode.i_blocks);
1377 modify_u32(argv[0], "File flags", hex_format, &inode.i_flags);
1378 modify_u32(argv[0], "Generation", hex_format, &inode.i_generation);
1380 modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1);
1382 modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl);
1384 modify_u32(argv[0], "High 32bits of size", decimal_format,
1385 &inode.i_size_high);
1387 if (os == EXT2_OS_HURD)
1388 modify_u32(argv[0], "Translator Block",
1389 decimal_format, &inode.osd1.hurd1.h_i_translator);
1391 modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr);
1394 frag = &inode.osd2.hurd2.h_i_frag;
1395 fsize = &inode.osd2.hurd2.h_i_fsize;
1401 modify_u8(argv[0], "Fragment number", decimal_format, frag);
1403 modify_u8(argv[0], "Fragment size", decimal_format, fsize);
1405 for (i=0; i < EXT2_NDIR_BLOCKS; i++) {
1406 sprintf(buf, "Direct Block #%u", i);
1407 modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]);
1409 modify_u32(argv[0], "Indirect Block", decimal_format,
1410 &inode.i_block[EXT2_IND_BLOCK]);
1411 modify_u32(argv[0], "Double Indirect Block", decimal_format,
1412 &inode.i_block[EXT2_DIND_BLOCK]);
1413 modify_u32(argv[0], "Triple Indirect Block", decimal_format,
1414 &inode.i_block[EXT2_TIND_BLOCK]);
1415 if (debugfs_write_inode(inode_num, &inode, argv[1]))
1418 #endif /* READ_ONLY */
1420 void do_change_working_dir(int argc, char *argv[],
1421 int sci_idx EXT2FS_ATTR((unused)),
1422 void *infop EXT2FS_ATTR((unused)))
1427 if (common_inode_args_process(argc, argv, &inode, 0))
1430 retval = ext2fs_check_directory(current_fs, inode);
1432 com_err(argv[1], retval, 0);
1439 void do_print_working_directory(int argc, char *argv[],
1440 int sci_idx EXT2FS_ATTR((unused)),
1441 void *infop EXT2FS_ATTR((unused)))
1444 char *pathname = NULL;
1446 if (common_args_process(argc, argv, 1, 1,
1447 "print_working_directory", "", 0))
1450 retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname);
1452 com_err(argv[0], retval,
1453 "while trying to get pathname of cwd");
1455 printf("[pwd] INODE: %6u PATH: %s\n",
1456 cwd, pathname ? pathname : "NULL");
1461 retval = ext2fs_get_pathname(current_fs, root, 0, &pathname);
1463 com_err(argv[0], retval,
1464 "while trying to get pathname of root");
1466 printf("[root] INODE: %6u PATH: %s\n",
1467 root, pathname ? pathname : "NULL");
1476 static void make_link(char *sourcename, char *destname)
1479 struct ext2_inode inode;
1482 char *dest, *cp, *base_name;
1485 * Get the source inode
1487 ino = string_to_inode(sourcename);
1490 base_name = strrchr(sourcename, '/');
1494 base_name = sourcename;
1496 * Figure out the destination. First see if it exists and is
1499 if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir)))
1503 * OK, it doesn't exist. See if it is
1504 * '<dir>/basename' or 'basename'
1506 cp = strrchr(destname, '/');
1509 dir = string_to_inode(destname);
1519 if (debugfs_read_inode(ino, &inode, sourcename))
1522 retval = ext2fs_link(current_fs, dir, dest, ino,
1523 ext2_file_type(inode.i_mode));
1525 com_err("make_link", retval, 0);
1530 void do_link(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1531 void *infop EXT2FS_ATTR((unused)))
1533 if (common_args_process(argc, argv, 3, 3, "link",
1534 "<source file> <dest_name>", CHECK_FS_RW))
1537 make_link(argv[1], argv[2]);
1540 static int mark_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
1541 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1542 blk64_t ref_block EXT2FS_ATTR((unused)),
1543 int ref_offset EXT2FS_ATTR((unused)),
1544 void *private EXT2FS_ATTR((unused)))
1549 ext2fs_block_alloc_stats2(fs, block, +1);
1553 void do_undel(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1554 void *infop EXT2FS_ATTR((unused)))
1557 struct ext2_inode inode;
1559 if (common_args_process(argc, argv, 2, 3, "undelete",
1560 "<inode_num> [dest_name]",
1561 CHECK_FS_RW | CHECK_FS_BITMAPS))
1564 ino = string_to_inode(argv[1]);
1568 if (debugfs_read_inode(ino, &inode, argv[1]))
1571 if (ext2fs_test_inode_bitmap2(current_fs->inode_map, ino)) {
1572 com_err(argv[1], 0, "Inode is not marked as deleted");
1577 * XXX this function doesn't handle changing the links count on the
1578 * parent directory when undeleting a directory.
1580 inode.i_links_count = LINUX_S_ISDIR(inode.i_mode) ? 2 : 1;
1583 if (debugfs_write_inode(ino, &inode, argv[0]))
1586 ext2fs_block_iterate3(current_fs, ino, BLOCK_FLAG_READ_ONLY, NULL,
1587 mark_blocks_proc, NULL);
1589 ext2fs_inode_alloc_stats2(current_fs, ino, +1, 0);
1592 make_link(argv[1], argv[2]);
1595 static void unlink_file_by_name(char *filename)
1601 base_name = strrchr(filename, '/');
1603 *base_name++ = '\0';
1604 dir = string_to_inode(filename);
1609 base_name = filename;
1611 retval = ext2fs_unlink(current_fs, dir, base_name, 0, 0);
1613 com_err("unlink_file_by_name", retval, 0);
1617 void do_unlink(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1618 void *infop EXT2FS_ATTR((unused)))
1620 if (common_args_process(argc, argv, 2, 2, "link",
1621 "<pathname>", CHECK_FS_RW))
1624 unlink_file_by_name(argv[1]);
1627 void do_copy_inode(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1628 void *infop EXT2FS_ATTR((unused)))
1630 ext2_ino_t src_ino, dest_ino;
1631 unsigned char buf[4096];
1633 if (common_args_process(argc, argv, 3, 3, "copy_inode",
1634 "<source file> <dest_name>", CHECK_FS_RW))
1637 src_ino = string_to_inode(argv[1]);
1641 dest_ino = string_to_inode(argv[2]);
1645 if (debugfs_read_inode2(src_ino, (struct ext2_inode *) buf,
1646 argv[0], sizeof(buf), 0))
1649 if (debugfs_write_inode2(dest_ino, (struct ext2_inode *) buf,
1650 argv[0], sizeof(buf), 0))
1654 #endif /* READ_ONLY */
1656 void do_find_free_block(int argc, char *argv[],
1657 int sci_idx EXT2FS_ATTR((unused)),
1658 void *infop EXT2FS_ATTR((unused)))
1660 blk64_t free_blk, goal, first_free = 0;
1665 if ((argc > 3) || (argc==2 && *argv[1] == '?')) {
1666 com_err(argv[0], 0, "Usage: find_free_block [count [goal]]");
1669 if (check_fs_open(argv[0]))
1673 count = strtol(argv[1],&tmp,0);
1675 com_err(argv[0], 0, "Bad count - %s", argv[1]);
1682 goal = strtol(argv[2], &tmp, 0);
1684 com_err(argv[0], 0, "Bad goal - %s", argv[1]);
1689 goal = current_fs->super->s_first_data_block;
1691 printf("Free blocks found: ");
1692 free_blk = goal - 1;
1693 while (count-- > 0) {
1694 retval = ext2fs_new_block2(current_fs, free_blk + 1, 0,
1697 if (first_free == free_blk)
1700 first_free = free_blk;
1702 com_err("ext2fs_new_block", retval, 0);
1705 printf("%llu ", free_blk);
1710 void do_find_free_inode(int argc, char *argv[],
1711 int sci_idx EXT2FS_ATTR((unused)),
1712 void *infop EXT2FS_ATTR((unused)))
1714 ext2_ino_t free_inode, dir;
1719 if (argc > 3 || (argc>1 && *argv[1] == '?')) {
1720 com_err(argv[0], 0, "Usage: find_free_inode [dir [mode]]");
1723 if (check_fs_open(argv[0]))
1727 dir = strtol(argv[1], &tmp, 0);
1729 com_err(argv[0], 0, "Bad dir - %s", argv[1]);
1736 mode = strtol(argv[2], &tmp, 0);
1738 com_err(argv[0], 0, "Bad mode - %s", argv[2]);
1744 retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode);
1746 com_err("ext2fs_new_inode", retval, 0);
1748 printf("Free inode found: %u\n", free_inode);
1752 void do_write(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1753 void *infop EXT2FS_ATTR((unused)))
1757 if (common_args_process(argc, argv, 3, 3, "write",
1758 "<native file> <new file>", CHECK_FS_RW))
1761 retval = do_write_internal(current_fs, cwd, argv[1], argv[2], root);
1763 com_err(argv[0], retval, 0);
1766 void do_mknod(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1767 void *infop EXT2FS_ATTR((unused)))
1769 unsigned long major, minor;
1774 if (check_fs_open(argv[0]))
1776 if (argc < 3 || argv[2][1]) {
1778 com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]");
1783 switch (argv[2][0]) {
1785 st.st_mode = S_IFIFO;
1789 st.st_mode = S_IFCHR;
1793 st.st_mode = S_IFBLK;
1801 major = strtoul(argv[3], argv+3, 0);
1802 minor = strtoul(argv[4], argv+4, 0);
1803 if (major > 65535 || minor > 65535 || argv[3][0] || argv[4][0])
1810 st.st_rdev = makedev(major, minor);
1811 retval = do_mknod_internal(current_fs, cwd, argv[1],
1812 st.st_mode, st.st_rdev);
1814 com_err(argv[0], retval, 0);
1817 void do_mkdir(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1818 void *infop EXT2FS_ATTR((unused)))
1822 if (common_args_process(argc, argv, 2, 2, "mkdir",
1823 "<filename>", CHECK_FS_RW))
1826 retval = do_mkdir_internal(current_fs, cwd, argv[1], root);
1828 com_err(argv[0], retval, 0);
1832 static int release_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
1833 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1834 blk64_t ref_block EXT2FS_ATTR((unused)),
1835 int ref_offset EXT2FS_ATTR((unused)),
1838 blk64_t block = *blocknr;
1839 blk64_t *last_cluster = (blk64_t *)private;
1840 blk64_t cluster = EXT2FS_B2C(fs, block);
1842 if (cluster == *last_cluster)
1845 *last_cluster = cluster;
1847 ext2fs_block_alloc_stats2(fs, block, -1);
1851 static void kill_file_by_inode(ext2_ino_t inode)
1853 struct ext2_inode inode_buf;
1855 if (debugfs_read_inode(inode, &inode_buf, 0))
1857 inode_buf.i_dtime = current_fs->now ? current_fs->now : time(0);
1858 if (debugfs_write_inode(inode, &inode_buf, 0))
1860 if (ext2fs_inode_has_valid_blocks2(current_fs, &inode_buf)) {
1861 blk64_t last_cluster = 0;
1862 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY,
1863 NULL, release_blocks_proc, &last_cluster);
1866 ext2fs_inode_alloc_stats2(current_fs, inode, -1,
1867 LINUX_S_ISDIR(inode_buf.i_mode));
1871 void do_kill_file(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1872 void *infop EXT2FS_ATTR((unused)))
1874 ext2_ino_t inode_num;
1876 if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1879 kill_file_by_inode(inode_num);
1882 void do_rm(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1883 void *infop EXT2FS_ATTR((unused)))
1886 ext2_ino_t inode_num;
1887 struct ext2_inode inode;
1889 if (common_args_process(argc, argv, 2, 2, "rm",
1890 "<filename>", CHECK_FS_RW))
1893 retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1895 com_err(argv[0], retval, "while trying to resolve filename");
1899 if (debugfs_read_inode(inode_num, &inode, argv[0]))
1902 if (LINUX_S_ISDIR(inode.i_mode)) {
1903 com_err(argv[0], 0, "file is a directory");
1907 --inode.i_links_count;
1908 if (debugfs_write_inode(inode_num, &inode, argv[0]))
1911 unlink_file_by_name(argv[1]);
1912 if (inode.i_links_count == 0)
1913 kill_file_by_inode(inode_num);
1921 static int rmdir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)),
1922 int entry EXT2FS_ATTR((unused)),
1923 struct ext2_dir_entry *dirent,
1924 int offset EXT2FS_ATTR((unused)),
1925 int blocksize EXT2FS_ATTR((unused)),
1926 char *buf EXT2FS_ATTR((unused)),
1929 struct rd_struct *rds = (struct rd_struct *) private;
1931 if (dirent->inode == 0)
1933 if ((ext2fs_dirent_name_len(dirent) == 1) && (dirent->name[0] == '.'))
1935 if ((ext2fs_dirent_name_len(dirent) == 2) && (dirent->name[0] == '.') &&
1936 (dirent->name[1] == '.')) {
1937 rds->parent = dirent->inode;
1944 void do_rmdir(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
1945 void *infop EXT2FS_ATTR((unused)))
1948 ext2_ino_t inode_num;
1949 struct ext2_inode inode;
1950 struct rd_struct rds;
1952 if (common_args_process(argc, argv, 2, 2, "rmdir",
1953 "<filename>", CHECK_FS_RW))
1956 retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1958 com_err(argv[0], retval, "while trying to resolve filename");
1962 if (debugfs_read_inode(inode_num, &inode, argv[0]))
1965 if (!LINUX_S_ISDIR(inode.i_mode)) {
1966 com_err(argv[0], 0, "file is not a directory");
1973 retval = ext2fs_dir_iterate2(current_fs, inode_num, 0,
1974 0, rmdir_proc, &rds);
1976 com_err(argv[0], retval, "while iterating over directory");
1979 if (rds.empty == 0) {
1980 com_err(argv[0], 0, "directory not empty");
1984 inode.i_links_count = 0;
1985 if (debugfs_write_inode(inode_num, &inode, argv[0]))
1988 unlink_file_by_name(argv[1]);
1989 kill_file_by_inode(inode_num);
1992 if (debugfs_read_inode(rds.parent, &inode, argv[0]))
1994 if (inode.i_links_count > 1)
1995 inode.i_links_count--;
1996 if (debugfs_write_inode(rds.parent, &inode, argv[0]))
2000 #endif /* READ_ONLY */
2002 void do_show_debugfs_params(int argc EXT2FS_ATTR((unused)),
2003 char *argv[] EXT2FS_ATTR((unused)),
2004 int sci_idx EXT2FS_ATTR((unused)),
2005 void *infop EXT2FS_ATTR((unused)))
2008 printf("Open mode: read-%s\n",
2009 current_fs->flags & EXT2_FLAG_RW ? "write" : "only");
2010 printf("Filesystem in use: %s\n",
2011 current_fs ? current_fs->device_name : "--none--");
2015 void do_expand_dir(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
2016 void *infop EXT2FS_ATTR((unused)))
2021 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
2024 retval = ext2fs_expand_dir(current_fs, inode);
2026 com_err("ext2fs_expand_dir", retval, 0);
2030 void do_features(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
2031 void *infop EXT2FS_ATTR((unused)))
2035 if (check_fs_open(argv[0]))
2038 if ((argc != 1) && check_fs_read_write(argv[0]))
2040 for (i=1; i < argc; i++) {
2041 if (e2p_edit_feature(argv[i],
2042 ¤t_fs->super->s_feature_compat, 0))
2043 com_err(argv[0], 0, "Unknown feature: %s\n",
2046 ext2fs_mark_super_dirty(current_fs);
2048 print_features(current_fs->super, stdout);
2050 #endif /* READ_ONLY */
2052 void do_bmap(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
2053 void *infop EXT2FS_ATTR((unused)))
2056 blk64_t blk, pblk = 0;
2057 int c, err, flags = 0, ret_flags = 0;
2060 if (check_fs_open(argv[0]))
2064 while ((c = getopt (argc, argv, "a")) != EOF) {
2067 flags |= BMAP_ALLOC;
2074 if (argc <= optind+1) {
2077 "Usage: bmap [-a] <file> logical_blk [physical_blk]");
2081 ino = string_to_inode(argv[optind++]);
2084 err = strtoblk(argv[0], argv[optind++], "logical block", &blk);
2088 if (argc > optind+1)
2091 if (argc == optind+1) {
2092 err = strtoblk(argv[0], argv[optind++],
2093 "physical block", &pblk);
2096 if (flags & BMAP_ALLOC) {
2097 com_err(0, 0, "Can't set and allocate a block");
2103 errcode = ext2fs_bmap2(current_fs, ino, 0, 0, flags, blk,
2106 com_err(argv[0], errcode,
2107 "while mapping logical block %llu\n", blk);
2110 printf("%llu", pblk);
2111 if (ret_flags & BMAP_RET_UNINIT)
2112 fputs(" (uninit)", stdout);
2113 fputc('\n', stdout);
2116 void do_imap(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
2117 void *infop EXT2FS_ATTR((unused)))
2120 unsigned long group, block, block_nr, offset;
2122 if (common_args_process(argc, argv, 2, 2, argv[0],
2125 ino = string_to_inode(argv[1]);
2129 group = (ino - 1) / EXT2_INODES_PER_GROUP(current_fs->super);
2130 offset = ((ino - 1) % EXT2_INODES_PER_GROUP(current_fs->super)) *
2131 EXT2_INODE_SIZE(current_fs->super);
2132 block = offset >> EXT2_BLOCK_SIZE_BITS(current_fs->super);
2133 if (!ext2fs_inode_table_loc(current_fs, (unsigned)group)) {
2134 com_err(argv[0], 0, "Inode table for group %lu is missing\n",
2138 block_nr = ext2fs_inode_table_loc(current_fs, (unsigned)group) +
2140 offset &= (EXT2_BLOCK_SIZE(current_fs->super) - 1);
2142 printf("Inode %u is part of block group %lu\n"
2143 "\tlocated at block %lu, offset 0x%04lx\n", ino, group,
2148 void do_idump(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
2149 void *infop EXT2FS_ATTR((unused)))
2151 struct ext2_inode_large *inode;
2155 unsigned int isize, size, offset = 0;
2159 while ((c = getopt (argc, argv, "bex")) != EOF) {
2160 if (mode || c == '?') {
2162 "Usage: inode_dump [-b]|[-e] <file>");
2167 if (optind != argc-1)
2170 if (check_fs_open(argv[0]))
2173 ino = string_to_inode(argv[optind]);
2177 isize = EXT2_INODE_SIZE(current_fs->super);
2178 err = ext2fs_get_mem(isize, &buf);
2180 com_err(argv[0], err, "while allocating memory");
2184 err = ext2fs_read_inode_full(current_fs, ino,
2185 (struct ext2_inode *)buf, isize);
2187 com_err(argv[0], err, "while reading inode %u", ino);
2191 inode = (struct ext2_inode_large *) buf;
2195 offset = ((char *) (&inode->i_block)) - ((char *) buf);
2196 size = sizeof(inode->i_block);
2200 if (size <= EXT2_GOOD_OLD_INODE_SIZE) {
2201 com_err(argv[0], 0, "No extra space in inode");
2204 offset = EXT2_GOOD_OLD_INODE_SIZE + inode->i_extra_isize;
2211 raw_inode_xattr_dump(stdout, buf + offset, size);
2213 do_byte_hexdump(stdout, buf + offset, size);
2215 ext2fs_free_mem(&buf);
2219 void do_set_current_time(int argc, char *argv[],
2220 int sci_idx EXT2FS_ATTR((unused)),
2221 void *infop EXT2FS_ATTR((unused)))
2225 if (common_args_process(argc, argv, 2, 2, argv[0],
2229 now = string_to_time(argv[1]);
2231 com_err(argv[0], 0, "Couldn't parse argument as a time: %s\n",
2236 printf("Setting current time to %s\n", time_to_string(now));
2237 current_fs->now = now;
2240 #endif /* READ_ONLY */
2242 static int find_supp_feature(__u32 *supp, int feature_type, char *name)
2244 int compat, bit, ret;
2245 unsigned int feature_mask;
2248 if (feature_type == E2P_FS_FEATURE)
2249 ret = e2p_string2feature(name, &compat, &feature_mask);
2251 ret = e2p_jrnl_string2feature(name, &compat,
2256 if (!(supp[compat] & feature_mask))
2259 for (compat = 0; compat < 3; compat++) {
2260 for (bit = 0, feature_mask = 1; bit < 32;
2261 bit++, feature_mask <<= 1) {
2262 if (supp[compat] & feature_mask) {
2263 if (feature_type == E2P_FS_FEATURE)
2264 fprintf(stdout, " %s",
2265 e2p_feature2string(compat,
2268 fprintf(stdout, " %s",
2269 e2p_jrnl_feature2string(compat,
2274 fprintf(stdout, "\n");
2280 void do_supported_features(int argc, char *argv[],
2281 int sci_idx EXT2FS_ATTR((unused)),
2282 void *infop EXT2FS_ATTR((unused)))
2285 __u32 supp[3] = { EXT2_LIB_FEATURE_COMPAT_SUPP,
2286 EXT2_LIB_FEATURE_INCOMPAT_SUPP,
2287 EXT2_LIB_FEATURE_RO_COMPAT_SUPP };
2288 __u32 jrnl_supp[3] = { JFS_KNOWN_COMPAT_FEATURES,
2289 JFS_KNOWN_INCOMPAT_FEATURES,
2290 JFS_KNOWN_ROCOMPAT_FEATURES };
2293 ret = find_supp_feature(supp, E2P_FS_FEATURE, argv[1]);
2295 ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE,
2299 com_err(argv[0], 0, "Unknown feature: %s\n", argv[1]);
2301 fprintf(stdout, "Supported feature: %s\n", argv[1]);
2303 fprintf(stdout, "Supported features:");
2304 ret = find_supp_feature(supp, E2P_FS_FEATURE, NULL);
2305 ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE, NULL);
2310 void do_punch(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
2311 void *infop EXT2FS_ATTR((unused)))
2318 if (common_args_process(argc, argv, 3, 4, argv[0],
2319 "<file> start_blk [end_blk]",
2320 CHECK_FS_RW | CHECK_FS_BITMAPS))
2323 ino = string_to_inode(argv[1]);
2326 err = strtoblk(argv[0], argv[2], "logical block", &start);
2330 err = strtoblk(argv[0], argv[3], "logical block", &end);
2336 errcode = ext2fs_punch(current_fs, ino, 0, 0, start, end);
2339 com_err(argv[0], errcode,
2340 "while truncating inode %u from %llu to %llu\n", ino,
2341 (unsigned long long) start, (unsigned long long) end);
2346 void do_fallocate(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
2347 void *infop EXT2FS_ATTR((unused)))
2354 if (common_args_process(argc, argv, 3, 4, argv[0],
2355 "<file> start_blk [end_blk]",
2356 CHECK_FS_RW | CHECK_FS_BITMAPS))
2359 ino = string_to_inode(argv[1]);
2362 err = strtoblk(argv[0], argv[2], "logical block", &start);
2366 err = strtoblk(argv[0], argv[3], "logical block", &end);
2372 errcode = ext2fs_fallocate(current_fs, EXT2_FALLOCATE_INIT_BEYOND_EOF,
2373 ino, NULL, ~0ULL, start, end - start + 1);
2376 com_err(argv[0], errcode,
2377 "while fallocating inode %u from %llu to %llu\n", ino,
2378 (unsigned long long) start, (unsigned long long) end);
2382 #endif /* READ_ONLY */
2384 void do_symlink(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
2385 void *infop EXT2FS_ATTR((unused)))
2389 if (common_args_process(argc, argv, 3, 3, "symlink",
2390 "<filename> <target>", CHECK_FS_RW))
2393 retval = do_symlink_internal(current_fs, cwd, argv[1], argv[2], root);
2395 com_err(argv[0], retval, 0);
2400 void do_dump_mmp(int argc EXT2FS_ATTR((unused)), char *argv[],
2401 int sci_idx EXT2FS_ATTR((unused)),
2402 void *infop EXT2FS_ATTR((unused)))
2404 struct mmp_struct *mmp_s;
2405 unsigned long long mmp_block;
2407 errcode_t retval = 0;
2409 if (check_fs_open(argv[0]))
2414 mmp_block = strtoull(argv[1], &end, 0);
2415 if (end == argv[0] || mmp_block == 0) {
2416 fprintf(stderr, "%s: invalid MMP block '%s' given\n",
2421 mmp_block = current_fs->super->s_mmp_block;
2424 if (mmp_block == 0) {
2425 fprintf(stderr, "%s: MMP: not active on this filesystem.\n",
2430 if (current_fs->mmp_buf == NULL) {
2431 retval = ext2fs_get_mem(current_fs->blocksize,
2432 ¤t_fs->mmp_buf);
2434 com_err(argv[0], retval, "allocating MMP buffer.\n");
2439 mmp_s = current_fs->mmp_buf;
2441 retval = ext2fs_mmp_read(current_fs, mmp_block, current_fs->mmp_buf);
2443 com_err(argv[0], retval, "reading MMP block %llu.\n",
2448 t = mmp_s->mmp_time;
2449 fprintf(stdout, "block_number: %llu\n", current_fs->super->s_mmp_block);
2450 fprintf(stdout, "update_interval: %d\n",
2451 current_fs->super->s_mmp_update_interval);
2452 fprintf(stdout, "check_interval: %d\n", mmp_s->mmp_check_interval);
2453 fprintf(stdout, "sequence: %08x\n", mmp_s->mmp_seq);
2454 fprintf(stdout, "time: %lld -- %s", mmp_s->mmp_time, ctime(&t));
2455 fprintf(stdout, "node_name: %.*s\n",
2456 EXT2_LEN_STR(mmp_s->mmp_nodename));
2457 fprintf(stdout, "device_name: %.*s\n",
2458 EXT2_LEN_STR(mmp_s->mmp_bdevname));
2459 fprintf(stdout, "magic: 0x%x\n", mmp_s->mmp_magic);
2460 fprintf(stdout, "checksum: 0x%08x\n", mmp_s->mmp_checksum);
2463 void do_dump_mmp(int argc EXT2FS_ATTR((unused)),
2464 char *argv[] EXT2FS_ATTR((unused)),
2465 int sci_idx EXT2FS_ATTR((unused)),
2466 void *infop EXT2FS_ATTR((unused)))
2468 fprintf(stdout, "MMP is unsupported, please recompile with "
2473 static int source_file(const char *cmd_file, int ss_idx)
2478 int exit_status = 0;
2481 if (strcmp(cmd_file, "-") == 0)
2484 f = fopen(cmd_file, "r");
2492 setbuf(stdout, NULL);
2493 setbuf(stderr, NULL);
2495 if (fgets(buf, sizeof(buf), f) == NULL)
2497 if (buf[0] == '#') {
2501 cp = strchr(buf, '\n');
2504 cp = strchr(buf, '\r');
2507 printf("debugfs: %s\n", buf);
2508 retval = ss_execute_line(ss_idx, buf);
2510 ss_perror(ss_idx, retval, buf);
2519 int main(int argc, char **argv)
2523 "Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] "
2524 "[-R request] [-d data_source_device] [-i] [-n] [-D] [-V] ["
2526 "[-w] [-z undo_file] "
2530 int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS;
2532 int exit_status = 0;
2534 blk64_t superblock = 0;
2535 blk64_t blocksize = 0;
2536 int catastrophic = 0;
2537 char *data_filename = 0;
2539 const char *opt_string = "nicR:f:b:s:Vd:D";
2541 const char *opt_string = "niwcR:f:b:s:Vd:Dz:";
2542 char *undo_file = NULL;
2544 #ifdef CONFIG_JBD_DEBUG
2548 if (debug_prog_name == 0)
2550 debug_prog_name = "rdebugfs";
2552 debug_prog_name = "debugfs";
2554 add_error_table(&et_ext2_error_table);
2555 fprintf (stderr, "%s %s (%s)\n", debug_prog_name,
2556 E2FSPROGS_VERSION, E2FSPROGS_DATE);
2558 #ifdef CONFIG_JBD_DEBUG
2559 jbd_debug = ss_safe_getenv("DEBUGFS_JBD_DEBUG");
2561 int res = sscanf(jbd_debug, "%d", &journal_enable_debug);
2565 "DEBUGFS_JBD_DEBUG \"%s\" not an integer\n\n",
2571 while ((c = getopt (argc, argv, opt_string)) != EOF) {
2580 data_filename = optarg;
2583 open_flags |= EXT2_FLAG_IMAGE_FILE;
2586 open_flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
2590 open_flags |= EXT2_FLAG_RW;
2594 open_flags |= EXT2_FLAG_DIRECT_IO;
2597 blocksize = parse_ulong(optarg, argv[0],
2601 retval = strtoblk(argv[0], optarg,
2602 "superblock block number",
2611 /* Print version number and exit */
2612 fprintf(stderr, "\tUsing %s\n",
2613 error_message(EXT2_ET_BASE));
2619 com_err(argv[0], 0, usage, debug_prog_name);
2624 open_filesystem(argv[optind], open_flags,
2625 superblock, blocksize, catastrophic,
2626 data_filename, undo_file);
2628 ss_sci_idx = ss_create_invocation(debug_prog_name, "0.0", (char *) NULL,
2629 &debug_cmds, &retval);
2631 ss_perror(ss_sci_idx, retval, "creating invocation");
2634 ss_get_readline(ss_sci_idx);
2636 (void) ss_add_request_table(ss_sci_idx, &ss_std_requests, 1, &retval);
2638 ss_perror(ss_sci_idx, retval, "adding standard requests");
2642 ss_add_request_table(ss_sci_idx, extra_cmds, 1, &retval);
2644 ss_perror(ss_sci_idx, retval, "adding extra requests");
2649 retval = ss_execute_line(ss_sci_idx, request);
2651 ss_perror(ss_sci_idx, retval, request);
2654 } else if (cmd_file) {
2655 exit_status = source_file(cmd_file, ss_sci_idx);
2657 ss_listen(ss_sci_idx);
2660 ss_delete_invocation(ss_sci_idx);
2665 remove_error_table(&et_ext2_error_table);