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>
28 #include <sys/types.h>
32 #include "uuid/uuid.h"
35 #include <ext2fs/ext2_ext_attr.h>
37 #include "../version.h"
44 /* 64KiB is the minimium blksize to best minimize system call overhead. */
46 #define IO_BUFSIZE 64*1024
49 /* Block size for `st_blocks' */
54 ss_request_table *extra_cmds;
55 const char *debug_prog_name;
58 ext2_filsys current_fs = NULL;
61 static void open_filesystem(char *device, int open_flags, blk64_t superblock,
62 blk64_t blocksize, int catastrophic,
66 io_channel data_io = 0;
68 if (superblock != 0 && blocksize == 0) {
69 com_err(device, 0, "if you specify the superblock, you must also specify the block size");
75 if ((open_flags & EXT2_FLAG_IMAGE_FILE) == 0) {
77 "The -d option is only valid when reading an e2image file");
81 retval = unix_io_manager->open(data_filename, 0, &data_io);
83 com_err(data_filename, 0, "while opening data source");
89 if (catastrophic && (open_flags & EXT2_FLAG_RW)) {
91 "opening read-only because of catastrophic mode");
92 open_flags &= ~EXT2_FLAG_RW;
95 open_flags |= EXT2_FLAG_SKIP_MMP;
97 retval = ext2fs_open(device, open_flags, superblock, blocksize,
98 unix_io_manager, ¤t_fs);
100 com_err(device, retval, "while opening filesystem");
104 current_fs->default_bitmap_type = EXT2FS_BMAP64_RBTREE;
107 com_err(device, 0, "catastrophic mode - not reading inode or group bitmaps");
109 retval = ext2fs_read_inode_bitmap(current_fs);
111 com_err(device, retval, "while reading inode bitmap");
114 retval = ext2fs_read_block_bitmap(current_fs);
116 com_err(device, retval, "while reading block bitmap");
122 retval = ext2fs_set_data_io(current_fs, data_io);
124 com_err(device, retval,
125 "while setting data source");
130 root = cwd = EXT2_ROOT_INO;
134 retval = ext2fs_close(current_fs);
136 com_err(device, retval, "while trying to close filesystem");
140 void do_open_filesys(int argc, char **argv)
143 int catastrophic = 0;
144 blk64_t superblock = 0;
145 blk64_t blocksize = 0;
146 int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS;
147 char *data_filename = 0;
150 while ((c = getopt (argc, argv, "iwfecb:s:d:D")) != EOF) {
153 open_flags |= EXT2_FLAG_IMAGE_FILE;
159 open_flags |= EXT2_FLAG_RW;
160 #endif /* READ_ONLY */
163 open_flags |= EXT2_FLAG_FORCE;
166 open_flags |= EXT2_FLAG_EXCLUSIVE;
172 data_filename = optarg;
175 open_flags |= EXT2_FLAG_DIRECT_IO;
178 blocksize = parse_ulong(optarg, argv[0],
184 superblock = parse_ulong(optarg, argv[0],
185 "superblock number", &err);
193 if (optind != argc-1) {
196 if (check_fs_not_open(argv[0]))
198 open_filesystem(argv[optind], open_flags,
199 superblock, blocksize, catastrophic,
204 fprintf(stderr, "%s: Usage: open [-s superblock] [-b blocksize] "
205 "[-d image_filename] [-c] [-i] [-f] [-e] [-D] "
209 "<device>\n", argv[0]);
212 void do_lcd(int argc, char **argv)
215 com_err(argv[0], 0, "Usage: %s %s", argv[0], "<native dir>");
219 if (chdir(argv[1]) == -1) {
220 com_err(argv[0], errno,
221 "while trying to change native directory to %s",
227 static void close_filesystem(NOARGS)
231 if (current_fs->flags & EXT2_FLAG_IB_DIRTY) {
232 retval = ext2fs_write_inode_bitmap(current_fs);
234 com_err("ext2fs_write_inode_bitmap", retval, 0);
236 if (current_fs->flags & EXT2_FLAG_BB_DIRTY) {
237 retval = ext2fs_write_block_bitmap(current_fs);
239 com_err("ext2fs_write_block_bitmap", retval, 0);
241 retval = ext2fs_close(current_fs);
243 com_err("ext2fs_close", retval, 0);
248 void do_close_filesys(int argc, char **argv)
252 if (check_fs_open(argv[0]))
256 while ((c = getopt (argc, argv, "a")) != EOF) {
259 current_fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
268 com_err(0, 0, "Usage: close_filesys [-a]");
276 void do_init_filesys(int argc, char **argv)
278 struct ext2_super_block param;
282 if (common_args_process(argc, argv, 3, 3, "initialize",
283 "<device> <blocksize>", CHECK_FS_NOTOPEN))
286 memset(¶m, 0, sizeof(struct ext2_super_block));
287 ext2fs_blocks_count_set(¶m, parse_ulong(argv[2], argv[0],
288 "blocks count", &err));
291 retval = ext2fs_initialize(argv[1], 0, ¶m,
292 unix_io_manager, ¤t_fs);
294 com_err(argv[1], retval, "while initializing filesystem");
298 root = cwd = EXT2_ROOT_INO;
302 static void print_features(struct ext2_super_block * s, FILE *f)
305 __u32 *mask = &s->s_feature_compat, m;
307 fputs("Filesystem features:", f);
308 for (i=0; i <3; i++,mask++) {
309 for (j=0,m=1; j < 32; j++, m<<=1) {
311 fprintf(f, " %s", e2p_feature2string(i, m));
320 #endif /* READ_ONLY */
322 static void print_bg_opts(ext2_filsys fs, dgrp_t group, int mask,
323 const char *str, int *first, FILE *f)
325 if (ext2fs_bg_flags_test(fs, group, mask)) {
335 void do_show_super_stats(int argc, char *argv[])
337 const char *units ="block";
340 int c, header_only = 0;
341 int numdirs = 0, first, gdt_csum;
344 while ((c = getopt (argc, argv, "h")) != EOF) {
353 if (optind != argc) {
356 if (check_fs_open(argv[0]))
360 if (EXT2_HAS_RO_COMPAT_FEATURE(current_fs->super,
361 EXT4_FEATURE_RO_COMPAT_BIGALLOC))
364 list_super2(current_fs->super, out);
365 for (i=0; i < current_fs->group_desc_count; i++)
366 numdirs += ext2fs_bg_used_dirs_count(current_fs, i);
367 fprintf(out, "Directories: %d\n", numdirs);
374 gdt_csum = EXT2_HAS_RO_COMPAT_FEATURE(current_fs->super,
375 EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
376 for (i = 0; i < current_fs->group_desc_count; i++) {
377 fprintf(out, " Group %2d: block bitmap at %llu, "
378 "inode bitmap at %llu, "
379 "inode table at %llu\n"
383 i, ext2fs_block_bitmap_loc(current_fs, i),
384 ext2fs_inode_bitmap_loc(current_fs, i),
385 ext2fs_inode_table_loc(current_fs, i),
386 ext2fs_bg_free_blocks_count(current_fs, i), units,
387 ext2fs_bg_free_blocks_count(current_fs, i) != 1 ?
389 ext2fs_bg_free_inodes_count(current_fs, i),
390 ext2fs_bg_free_inodes_count(current_fs, i) != 1 ?
392 ext2fs_bg_used_dirs_count(current_fs, i),
393 ext2fs_bg_used_dirs_count(current_fs, i) != 1 ? "directories"
394 : "directory", gdt_csum ? ", " : "\n");
396 fprintf(out, "%u unused %s\n",
397 ext2fs_bg_itable_unused(current_fs, i),
398 ext2fs_bg_itable_unused(current_fs, i) != 1 ?
401 print_bg_opts(current_fs, i, EXT2_BG_INODE_UNINIT, "Inode not init",
403 print_bg_opts(current_fs, i, EXT2_BG_BLOCK_UNINIT, "Block not init",
406 fprintf(out, "%sChecksum 0x%04x",
407 first ? " [":", ", ext2fs_bg_checksum(current_fs, i));
416 fprintf(stderr, "%s: Usage: show_super [-h]\n", argv[0]);
420 void do_dirty_filesys(int argc EXT2FS_ATTR((unused)),
421 char **argv EXT2FS_ATTR((unused)))
423 if (check_fs_open(argv[0]))
425 if (check_fs_read_write(argv[0]))
428 if (argv[1] && !strcmp(argv[1], "-clean"))
429 current_fs->super->s_state |= EXT2_VALID_FS;
431 current_fs->super->s_state &= ~EXT2_VALID_FS;
432 ext2fs_mark_super_dirty(current_fs);
434 #endif /* READ_ONLY */
436 struct list_blocks_struct {
439 blk64_t first_block, last_block;
440 e2_blkcnt_t first_bcnt, last_bcnt;
444 static void finish_range(struct list_blocks_struct *lb)
446 if (lb->first_block == 0)
451 fprintf(lb->f, ", ");
452 if (lb->first_block == lb->last_block)
453 fprintf(lb->f, "(%lld):%llu",
454 (long long)lb->first_bcnt, lb->first_block);
456 fprintf(lb->f, "(%lld-%lld):%llu-%llu",
457 (long long)lb->first_bcnt, (long long)lb->last_bcnt,
458 lb->first_block, lb->last_block);
462 static int list_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
463 blk64_t *blocknr, e2_blkcnt_t blockcnt,
464 blk64_t ref_block EXT2FS_ATTR((unused)),
465 int ref_offset EXT2FS_ATTR((unused)),
468 struct list_blocks_struct *lb = (struct list_blocks_struct *) private;
473 * See if we can add on to the existing range (if it exists)
475 if (lb->first_block &&
476 (lb->last_block+1 == *blocknr) &&
477 (lb->last_bcnt+1 == blockcnt)) {
478 lb->last_block = *blocknr;
479 lb->last_bcnt = blockcnt;
486 lb->first_block = lb->last_block = *blocknr;
487 lb->first_bcnt = lb->last_bcnt = blockcnt;
491 * Not a normal block. Always force a new range.
497 fprintf(lb->f, ", ");
499 fprintf(lb->f, "(IND):%llu", (unsigned long long) *blocknr);
500 else if (blockcnt == -2)
501 fprintf(lb->f, "(DIND):%llu", (unsigned long long) *blocknr);
502 else if (blockcnt == -3)
503 fprintf(lb->f, "(TIND):%llu", (unsigned long long) *blocknr);
507 static void dump_xattr_string(FILE *out, const char *str, int len)
512 /* check: is string "printable enough?" */
513 for (i = 0; i < len; i++)
517 if (printable <= len*7/8)
520 for (i = 0; i < len; i++)
522 fprintf(out, isprint(str[i]) ? "%c" : "\\%03o",
523 (unsigned char)str[i]);
525 fprintf(out, "%02x ", (unsigned char)str[i]);
528 static void internal_dump_inode_extra(FILE *out,
529 const char *prefix EXT2FS_ATTR((unused)),
530 ext2_ino_t inode_num EXT2FS_ATTR((unused)),
531 struct ext2_inode_large *inode)
533 struct ext2_ext_attr_entry *entry;
536 unsigned int storage_size;
538 fprintf(out, "Size of extra inode fields: %u\n", inode->i_extra_isize);
539 if (inode->i_extra_isize > EXT2_INODE_SIZE(current_fs->super) -
540 EXT2_GOOD_OLD_INODE_SIZE) {
541 fprintf(stderr, "invalid inode->i_extra_isize (%u)\n",
542 inode->i_extra_isize);
545 storage_size = EXT2_INODE_SIZE(current_fs->super) -
546 EXT2_GOOD_OLD_INODE_SIZE -
547 inode->i_extra_isize;
548 magic = (__u32 *)((char *)inode + EXT2_GOOD_OLD_INODE_SIZE +
549 inode->i_extra_isize);
550 if (*magic == EXT2_EXT_ATTR_MAGIC) {
551 fprintf(out, "Extended attributes stored in inode body: \n");
552 end = (char *) inode + EXT2_INODE_SIZE(current_fs->super);
553 start = (char *) magic + sizeof(__u32);
554 entry = (struct ext2_ext_attr_entry *) start;
555 while (!EXT2_EXT_IS_LAST_ENTRY(entry)) {
556 struct ext2_ext_attr_entry *next =
557 EXT2_EXT_ATTR_NEXT(entry);
558 if (entry->e_value_size > storage_size ||
559 (char *) next >= end) {
560 fprintf(out, "invalid EA entry in inode\n");
564 dump_xattr_string(out, EXT2_EXT_ATTR_NAME(entry),
566 fprintf(out, " = \"");
567 dump_xattr_string(out, start + entry->e_value_offs,
568 entry->e_value_size);
569 fprintf(out, "\" (%u)\n", entry->e_value_size);
575 static void dump_blocks(FILE *f, const char *prefix, ext2_ino_t inode)
577 struct list_blocks_struct lb;
579 fprintf(f, "%sBLOCKS:\n%s", prefix, prefix);
584 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
585 list_blocks_proc, (void *)&lb);
588 fprintf(f, "\n%sTOTAL: %lld\n", prefix, (long long)lb.total);
592 static int int_log10(unsigned long long arg)
604 #define DUMP_LEAF_EXTENTS 0x01
605 #define DUMP_NODE_EXTENTS 0x02
606 #define DUMP_EXTENT_TABLE 0x04
608 static void dump_extents(FILE *f, const char *prefix, ext2_ino_t ino,
609 int flags, int logical_width, int physical_width)
611 ext2_extent_handle_t handle;
612 struct ext2fs_extent extent;
613 struct ext2_extent_info info;
614 int op = EXT2_EXTENT_ROOT;
615 unsigned int printed = 0;
618 errcode = ext2fs_extent_open(current_fs, ino, &handle);
622 if (flags & DUMP_EXTENT_TABLE)
623 fprintf(f, "Level Entries %*s %*s Length Flags\n",
624 (logical_width*2)+3, "Logical",
625 (physical_width*2)+3, "Physical");
627 fprintf(f, "%sEXTENTS:\n%s", prefix, prefix);
630 errcode = ext2fs_extent_get(handle, op, &extent);
635 op = EXT2_EXTENT_NEXT;
637 if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
640 if (extent.e_flags & EXT2_EXTENT_FLAGS_LEAF) {
641 if ((flags & DUMP_LEAF_EXTENTS) == 0)
644 if ((flags & DUMP_NODE_EXTENTS) == 0)
648 errcode = ext2fs_extent_get_info(handle, &info);
652 if (!(extent.e_flags & EXT2_EXTENT_FLAGS_LEAF)) {
653 if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
656 if (flags & DUMP_EXTENT_TABLE) {
657 fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
659 info.curr_level, info.max_depth,
660 info.curr_entry, info.num_entries,
664 extent.e_lblk + (extent.e_len - 1),
667 physical_width+3, "", extent.e_len);
671 fprintf(f, "%s(ETB%d):%lld",
672 printed ? ", " : "", info.curr_level,
678 if (flags & DUMP_EXTENT_TABLE) {
679 fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
680 "%*llu - %*llu %6u %s\n",
681 info.curr_level, info.max_depth,
682 info.curr_entry, info.num_entries,
686 extent.e_lblk + (extent.e_len - 1),
690 extent.e_pblk + (extent.e_len - 1),
692 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
697 if (extent.e_len == 0)
699 else if (extent.e_len == 1)
704 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
709 "%s(%lld-%lld%s):%lld-%lld",
712 extent.e_lblk + (extent.e_len - 1),
713 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
716 extent.e_pblk + (extent.e_len - 1));
723 void internal_dump_inode(FILE *out, const char *prefix,
724 ext2_ino_t inode_num, struct ext2_inode *inode,
729 int os = current_fs->super->s_creator_os;
730 struct ext2_inode_large *large_inode;
731 int is_large_inode = 0;
733 if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
735 large_inode = (struct ext2_inode_large *) inode;
737 if (LINUX_S_ISDIR(inode->i_mode)) i_type = "directory";
738 else if (LINUX_S_ISREG(inode->i_mode)) i_type = "regular";
739 else if (LINUX_S_ISLNK(inode->i_mode)) i_type = "symlink";
740 else if (LINUX_S_ISBLK(inode->i_mode)) i_type = "block special";
741 else if (LINUX_S_ISCHR(inode->i_mode)) i_type = "character special";
742 else if (LINUX_S_ISFIFO(inode->i_mode)) i_type = "FIFO";
743 else if (LINUX_S_ISSOCK(inode->i_mode)) i_type = "socket";
744 else i_type = "bad type";
745 fprintf(out, "%sInode: %u Type: %s ", prefix, inode_num, i_type);
746 fprintf(out, "%sMode: %04o Flags: 0x%x\n",
747 prefix, inode->i_mode & 0777, inode->i_flags);
748 if (is_large_inode && large_inode->i_extra_isize >= 24) {
749 fprintf(out, "%sGeneration: %u Version: 0x%08x:%08x\n",
750 prefix, inode->i_generation, large_inode->i_version_hi,
751 inode->osd1.linux1.l_i_version);
753 fprintf(out, "%sGeneration: %u Version: 0x%08x\n", prefix,
754 inode->i_generation, inode->osd1.linux1.l_i_version);
756 fprintf(out, "%sUser: %5d Group: %5d Size: ",
757 prefix, inode_uid(*inode), inode_gid(*inode));
758 if (LINUX_S_ISREG(inode->i_mode))
759 fprintf(out, "%llu\n", EXT2_I_SIZE(inode));
761 fprintf(out, "%d\n", inode->i_size);
762 if (os == EXT2_OS_HURD)
764 "%sFile ACL: %d Directory ACL: %d Translator: %d\n",
766 inode->i_file_acl, LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0,
767 inode->osd1.hurd1.h_i_translator);
769 fprintf(out, "%sFile ACL: %llu Directory ACL: %d\n",
771 inode->i_file_acl | ((long long)
772 (inode->osd2.linux2.l_i_file_acl_high) << 32),
773 LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0);
774 if (os == EXT2_OS_LINUX)
775 fprintf(out, "%sLinks: %d Blockcount: %llu\n",
776 prefix, inode->i_links_count,
777 (((unsigned long long)
778 inode->osd2.linux2.l_i_blocks_hi << 32)) +
781 fprintf(out, "%sLinks: %d Blockcount: %u\n",
782 prefix, inode->i_links_count, inode->i_blocks);
785 frag = inode->osd2.hurd2.h_i_frag;
786 fsize = inode->osd2.hurd2.h_i_fsize;
791 fprintf(out, "%sFragment: Address: %d Number: %d Size: %d\n",
792 prefix, inode->i_faddr, frag, fsize);
793 if (is_large_inode && large_inode->i_extra_isize >= 24) {
794 fprintf(out, "%s ctime: 0x%08x:%08x -- %s", prefix,
795 inode->i_ctime, large_inode->i_ctime_extra,
796 time_to_string(inode->i_ctime));
797 fprintf(out, "%s atime: 0x%08x:%08x -- %s", prefix,
798 inode->i_atime, large_inode->i_atime_extra,
799 time_to_string(inode->i_atime));
800 fprintf(out, "%s mtime: 0x%08x:%08x -- %s", prefix,
801 inode->i_mtime, large_inode->i_mtime_extra,
802 time_to_string(inode->i_mtime));
803 fprintf(out, "%scrtime: 0x%08x:%08x -- %s", prefix,
804 large_inode->i_crtime, large_inode->i_crtime_extra,
805 time_to_string(large_inode->i_crtime));
807 fprintf(out, "%sctime: 0x%08x -- %s", prefix, inode->i_ctime,
808 time_to_string(inode->i_ctime));
809 fprintf(out, "%satime: 0x%08x -- %s", prefix, inode->i_atime,
810 time_to_string(inode->i_atime));
811 fprintf(out, "%smtime: 0x%08x -- %s", prefix, inode->i_mtime,
812 time_to_string(inode->i_mtime));
815 fprintf(out, "%sdtime: 0x%08x -- %s", prefix, inode->i_dtime,
816 time_to_string(inode->i_dtime));
817 if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
818 internal_dump_inode_extra(out, prefix, inode_num,
819 (struct ext2_inode_large *) inode);
820 if (LINUX_S_ISLNK(inode->i_mode) && ext2fs_inode_data_blocks(current_fs,inode) == 0)
821 fprintf(out, "%sFast_link_dest: %.*s\n", prefix,
822 (int) inode->i_size, (char *)inode->i_block);
823 else if (LINUX_S_ISBLK(inode->i_mode) || LINUX_S_ISCHR(inode->i_mode)) {
827 if (inode->i_block[0]) {
828 major = (inode->i_block[0] >> 8) & 255;
829 minor = inode->i_block[0] & 255;
832 major = (inode->i_block[1] & 0xfff00) >> 8;
833 minor = ((inode->i_block[1] & 0xff) |
834 ((inode->i_block[1] >> 12) & 0xfff00));
835 devnote = "(New-style) ";
837 fprintf(out, "%sDevice major/minor number: %02d:%02d (hex %02x:%02x)\n",
838 devnote, major, minor, major, minor);
839 } else if (do_dump_blocks) {
840 if (inode->i_flags & EXT4_EXTENTS_FL)
841 dump_extents(out, prefix, inode_num,
842 DUMP_LEAF_EXTENTS|DUMP_NODE_EXTENTS, 0, 0);
844 dump_blocks(out, prefix, inode_num);
848 static void dump_inode(ext2_ino_t inode_num, struct ext2_inode *inode)
853 internal_dump_inode(out, "", inode_num, inode, 1);
857 void do_stat(int argc, char *argv[])
860 struct ext2_inode * inode_buf;
862 if (check_fs_open(argv[0]))
865 inode_buf = (struct ext2_inode *)
866 malloc(EXT2_INODE_SIZE(current_fs->super));
868 fprintf(stderr, "do_stat: can't allocate buffer\n");
872 if (common_inode_args_process(argc, argv, &inode, 0)) {
877 if (debugfs_read_inode_full(inode, inode_buf, argv[0],
878 EXT2_INODE_SIZE(current_fs->super))) {
883 dump_inode(inode, inode_buf);
888 void do_dump_extents(int argc, char **argv)
890 struct ext2_inode inode;
898 while ((c = getopt(argc, argv, "nl")) != EOF) {
901 flags |= DUMP_NODE_EXTENTS;
904 flags |= DUMP_LEAF_EXTENTS;
909 if (argc != optind + 1) {
910 com_err(0, 0, "Usage: dump_extents [-n] [-l] file");
915 flags = DUMP_NODE_EXTENTS | DUMP_LEAF_EXTENTS;
916 flags |= DUMP_EXTENT_TABLE;
918 if (check_fs_open(argv[0]))
921 ino = string_to_inode(argv[optind]);
925 if (debugfs_read_inode(ino, &inode, argv[0]))
928 if ((inode.i_flags & EXT4_EXTENTS_FL) == 0) {
929 fprintf(stderr, "%s: does not uses extent block maps\n",
934 logical_width = int_log10((EXT2_I_SIZE(&inode)+current_fs->blocksize-1)/
935 current_fs->blocksize) + 1;
936 if (logical_width < 5)
938 physical_width = int_log10(ext2fs_blocks_count(current_fs->super)) + 1;
939 if (physical_width < 5)
943 dump_extents(out, "", ino, flags, logical_width, physical_width);
948 static int print_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
950 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
951 blk64_t ref_block EXT2FS_ATTR((unused)),
952 int ref_offset EXT2FS_ATTR((unused)),
953 void *private EXT2FS_ATTR((unused)))
955 printf("%llu ", *blocknr);
959 void do_blocks(int argc, char *argv[])
963 if (check_fs_open(argv[0]))
966 if (common_inode_args_process(argc, argv, &inode, 0)) {
970 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
971 print_blocks_proc, NULL);
976 void do_chroot(int argc, char *argv[])
981 if (common_inode_args_process(argc, argv, &inode, 0))
984 retval = ext2fs_check_directory(current_fs, inode);
986 com_err(argv[1], retval, 0);
993 void do_clri(int argc, char *argv[])
996 struct ext2_inode inode_buf;
998 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
1001 if (debugfs_read_inode(inode, &inode_buf, argv[0]))
1003 memset(&inode_buf, 0, sizeof(inode_buf));
1004 if (debugfs_write_inode(inode, &inode_buf, argv[0]))
1008 void do_freei(int argc, char *argv[])
1010 unsigned int len = 1;
1014 if (common_args_process(argc, argv, 2, 3, argv[0], "<file> [num]",
1015 CHECK_FS_RW | CHECK_FS_BITMAPS))
1017 if (check_fs_read_write(argv[0]))
1020 inode = string_to_inode(argv[1]);
1025 len = parse_ulong(argv[2], argv[0], "length", &err);
1031 !ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1032 com_err(argv[0], 0, "Warning: inode already clear");
1034 ext2fs_unmark_inode_bitmap2(current_fs->inode_map, inode++);
1035 ext2fs_mark_ib_dirty(current_fs);
1038 void do_seti(int argc, char *argv[])
1040 unsigned int len = 1;
1044 if (common_args_process(argc, argv, 2, 3, argv[0], "<file> [num]",
1045 CHECK_FS_RW | CHECK_FS_BITMAPS))
1047 if (check_fs_read_write(argv[0]))
1050 inode = string_to_inode(argv[1]);
1055 len = parse_ulong(argv[2], argv[0], "length", &err);
1061 ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1062 com_err(argv[0], 0, "Warning: inode already set");
1064 ext2fs_mark_inode_bitmap2(current_fs->inode_map, inode++);
1065 ext2fs_mark_ib_dirty(current_fs);
1067 #endif /* READ_ONLY */
1069 void do_testi(int argc, char *argv[])
1073 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_BITMAPS))
1076 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1077 printf("Inode %u is marked in use\n", inode);
1079 printf("Inode %u is not in use\n", inode);
1083 void do_freeb(int argc, char *argv[])
1088 if (common_block_args_process(argc, argv, &block, &count))
1090 if (check_fs_read_write(argv[0]))
1092 while (count-- > 0) {
1093 if (!ext2fs_test_block_bitmap2(current_fs->block_map,block))
1094 com_err(argv[0], 0, "Warning: block %llu already clear",
1096 ext2fs_unmark_block_bitmap2(current_fs->block_map,block);
1099 ext2fs_mark_bb_dirty(current_fs);
1102 void do_setb(int argc, char *argv[])
1107 if (common_block_args_process(argc, argv, &block, &count))
1109 if (check_fs_read_write(argv[0]))
1111 while (count-- > 0) {
1112 if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1113 com_err(argv[0], 0, "Warning: block %llu already set",
1115 ext2fs_mark_block_bitmap2(current_fs->block_map,block);
1118 ext2fs_mark_bb_dirty(current_fs);
1120 #endif /* READ_ONLY */
1122 void do_testb(int argc, char *argv[])
1127 if (common_block_args_process(argc, argv, &block, &count))
1129 while (count-- > 0) {
1130 if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1131 printf("Block %llu marked in use\n", block);
1133 printf("Block %llu not in use\n", block);
1139 static void modify_u8(char *com, const char *prompt,
1140 const char *format, __u8 *val)
1146 sprintf(buf, format, *val);
1147 printf("%30s [%s] ", prompt, buf);
1148 if (!fgets(buf, sizeof(buf), stdin))
1150 if (buf[strlen (buf) - 1] == '\n')
1151 buf[strlen (buf) - 1] = '\0';
1154 v = strtoul(buf, &tmp, 0);
1156 com_err(com, 0, "Bad value - %s", buf);
1161 static void modify_u16(char *com, const char *prompt,
1162 const char *format, __u16 *val)
1168 sprintf(buf, format, *val);
1169 printf("%30s [%s] ", prompt, buf);
1170 if (!fgets(buf, sizeof(buf), stdin))
1172 if (buf[strlen (buf) - 1] == '\n')
1173 buf[strlen (buf) - 1] = '\0';
1176 v = strtoul(buf, &tmp, 0);
1178 com_err(com, 0, "Bad value - %s", buf);
1183 static void modify_u32(char *com, const char *prompt,
1184 const char *format, __u32 *val)
1190 sprintf(buf, format, *val);
1191 printf("%30s [%s] ", prompt, buf);
1192 if (!fgets(buf, sizeof(buf), stdin))
1194 if (buf[strlen (buf) - 1] == '\n')
1195 buf[strlen (buf) - 1] = '\0';
1198 v = strtoul(buf, &tmp, 0);
1200 com_err(com, 0, "Bad value - %s", buf);
1206 void do_modify_inode(int argc, char *argv[])
1208 struct ext2_inode inode;
1209 ext2_ino_t inode_num;
1211 unsigned char *frag, *fsize;
1214 const char *hex_format = "0x%x";
1215 const char *octal_format = "0%o";
1216 const char *decimal_format = "%d";
1217 const char *unsignedlong_format = "%lu";
1219 if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1222 os = current_fs->super->s_creator_os;
1224 if (debugfs_read_inode(inode_num, &inode, argv[1]))
1227 modify_u16(argv[0], "Mode", octal_format, &inode.i_mode);
1228 modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid);
1229 modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid);
1230 modify_u32(argv[0], "Size", unsignedlong_format, &inode.i_size);
1231 modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime);
1232 modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime);
1233 modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime);
1234 modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime);
1235 modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count);
1236 if (os == EXT2_OS_LINUX)
1237 modify_u16(argv[0], "Block count high", unsignedlong_format,
1238 &inode.osd2.linux2.l_i_blocks_hi);
1239 modify_u32(argv[0], "Block count", unsignedlong_format, &inode.i_blocks);
1240 modify_u32(argv[0], "File flags", hex_format, &inode.i_flags);
1241 modify_u32(argv[0], "Generation", hex_format, &inode.i_generation);
1243 modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1);
1245 modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl);
1246 if (LINUX_S_ISDIR(inode.i_mode))
1247 modify_u32(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl);
1249 modify_u32(argv[0], "High 32bits of size", decimal_format, &inode.i_size_high);
1251 if (os == EXT2_OS_HURD)
1252 modify_u32(argv[0], "Translator Block",
1253 decimal_format, &inode.osd1.hurd1.h_i_translator);
1255 modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr);
1258 frag = &inode.osd2.hurd2.h_i_frag;
1259 fsize = &inode.osd2.hurd2.h_i_fsize;
1265 modify_u8(argv[0], "Fragment number", decimal_format, frag);
1267 modify_u8(argv[0], "Fragment size", decimal_format, fsize);
1269 for (i=0; i < EXT2_NDIR_BLOCKS; i++) {
1270 sprintf(buf, "Direct Block #%d", i);
1271 modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]);
1273 modify_u32(argv[0], "Indirect Block", decimal_format,
1274 &inode.i_block[EXT2_IND_BLOCK]);
1275 modify_u32(argv[0], "Double Indirect Block", decimal_format,
1276 &inode.i_block[EXT2_DIND_BLOCK]);
1277 modify_u32(argv[0], "Triple Indirect Block", decimal_format,
1278 &inode.i_block[EXT2_TIND_BLOCK]);
1279 if (debugfs_write_inode(inode_num, &inode, argv[1]))
1282 #endif /* READ_ONLY */
1284 void do_change_working_dir(int argc, char *argv[])
1289 if (common_inode_args_process(argc, argv, &inode, 0))
1292 retval = ext2fs_check_directory(current_fs, inode);
1294 com_err(argv[1], retval, 0);
1301 void do_print_working_directory(int argc, char *argv[])
1304 char *pathname = NULL;
1306 if (common_args_process(argc, argv, 1, 1,
1307 "print_working_directory", "", 0))
1310 retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname);
1312 com_err(argv[0], retval,
1313 "while trying to get pathname of cwd");
1315 printf("[pwd] INODE: %6u PATH: %s\n",
1316 cwd, pathname ? pathname : "NULL");
1321 retval = ext2fs_get_pathname(current_fs, root, 0, &pathname);
1323 com_err(argv[0], retval,
1324 "while trying to get pathname of root");
1326 printf("[root] INODE: %6u PATH: %s\n",
1327 root, pathname ? pathname : "NULL");
1336 static void make_link(char *sourcename, char *destname)
1339 struct ext2_inode inode;
1342 char *dest, *cp, *base_name;
1345 * Get the source inode
1347 ino = string_to_inode(sourcename);
1350 base_name = strrchr(sourcename, '/');
1354 base_name = sourcename;
1356 * Figure out the destination. First see if it exists and is
1359 if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir)))
1363 * OK, it doesn't exist. See if it is
1364 * '<dir>/basename' or 'basename'
1366 cp = strrchr(destname, '/');
1369 dir = string_to_inode(destname);
1379 if (debugfs_read_inode(ino, &inode, sourcename))
1382 retval = ext2fs_link(current_fs, dir, dest, ino,
1383 ext2_file_type(inode.i_mode));
1385 com_err("make_link", retval, 0);
1390 void do_link(int argc, char *argv[])
1392 if (common_args_process(argc, argv, 3, 3, "link",
1393 "<source file> <dest_name>", CHECK_FS_RW))
1396 make_link(argv[1], argv[2]);
1399 static int mark_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
1400 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1401 blk64_t ref_block EXT2FS_ATTR((unused)),
1402 int ref_offset EXT2FS_ATTR((unused)),
1403 void *private EXT2FS_ATTR((unused)))
1408 ext2fs_block_alloc_stats2(fs, block, +1);
1412 void do_undel(int argc, char *argv[])
1415 struct ext2_inode inode;
1417 if (common_args_process(argc, argv, 2, 3, "undelete",
1418 "<inode_num> [dest_name]",
1419 CHECK_FS_RW | CHECK_FS_BITMAPS))
1422 ino = string_to_inode(argv[1]);
1426 if (debugfs_read_inode(ino, &inode, argv[1]))
1429 if (ext2fs_test_inode_bitmap2(current_fs->inode_map, ino)) {
1430 com_err(argv[1], 0, "Inode is not marked as deleted");
1435 * XXX this function doesn't handle changing the links count on the
1436 * parent directory when undeleting a directory.
1438 inode.i_links_count = LINUX_S_ISDIR(inode.i_mode) ? 2 : 1;
1441 if (debugfs_write_inode(ino, &inode, argv[0]))
1444 ext2fs_block_iterate3(current_fs, ino, BLOCK_FLAG_READ_ONLY, NULL,
1445 mark_blocks_proc, NULL);
1447 ext2fs_inode_alloc_stats2(current_fs, ino, +1, 0);
1450 make_link(argv[1], argv[2]);
1453 static void unlink_file_by_name(char *filename)
1459 base_name = strrchr(filename, '/');
1461 *base_name++ = '\0';
1462 dir = string_to_inode(filename);
1467 base_name = filename;
1469 retval = ext2fs_unlink(current_fs, dir, base_name, 0, 0);
1471 com_err("unlink_file_by_name", retval, 0);
1475 void do_unlink(int argc, char *argv[])
1477 if (common_args_process(argc, argv, 2, 2, "link",
1478 "<pathname>", CHECK_FS_RW))
1481 unlink_file_by_name(argv[1]);
1483 #endif /* READ_ONLY */
1485 void do_find_free_block(int argc, char *argv[])
1487 blk64_t free_blk, goal, first_free = 0;
1492 if ((argc > 3) || (argc==2 && *argv[1] == '?')) {
1493 com_err(argv[0], 0, "Usage: find_free_block [count [goal]]");
1496 if (check_fs_open(argv[0]))
1500 count = strtol(argv[1],&tmp,0);
1502 com_err(argv[0], 0, "Bad count - %s", argv[1]);
1509 goal = strtol(argv[2], &tmp, 0);
1511 com_err(argv[0], 0, "Bad goal - %s", argv[1]);
1516 goal = current_fs->super->s_first_data_block;
1518 printf("Free blocks found: ");
1519 free_blk = goal - 1;
1520 while (count-- > 0) {
1521 retval = ext2fs_new_block2(current_fs, free_blk + 1, 0,
1524 if (first_free == free_blk)
1527 first_free = free_blk;
1529 com_err("ext2fs_new_block", retval, 0);
1532 printf("%llu ", free_blk);
1537 void do_find_free_inode(int argc, char *argv[])
1539 ext2_ino_t free_inode, dir;
1544 if (argc > 3 || (argc>1 && *argv[1] == '?')) {
1545 com_err(argv[0], 0, "Usage: find_free_inode [dir] [mode]");
1548 if (check_fs_open(argv[0]))
1552 dir = strtol(argv[1], &tmp, 0);
1554 com_err(argv[0], 0, "Bad dir - %s", argv[1]);
1561 mode = strtol(argv[2], &tmp, 0);
1563 com_err(argv[0], 0, "Bad mode - %s", argv[2]);
1569 retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode);
1571 com_err("ext2fs_new_inode", retval, 0);
1573 printf("Free inode found: %u\n", free_inode);
1577 static errcode_t copy_file(int fd, ext2_ino_t newfile, int bufsize, int make_holes)
1579 ext2_file_t e2_file;
1582 unsigned int written;
1588 retval = ext2fs_file_open(current_fs, newfile,
1589 EXT2_FILE_WRITE, &e2_file);
1593 if (!(buf = (char *) malloc(bufsize))){
1594 com_err("copy_file", errno, "can't allocate buffer\n");
1598 /* This is used for checking whether the whole block is zero */
1599 retval = ext2fs_get_memzero(bufsize, &zero_buf);
1601 com_err("copy_file", retval, "can't allocate buffer\n");
1607 got = read(fd, buf, bufsize);
1618 /* Check whether all is zero */
1619 cmp = memcmp(ptr, zero_buf, got);
1621 /* The whole block is zero, make a hole */
1622 retval = ext2fs_file_lseek(e2_file, got, EXT2_SEEK_CUR, NULL);
1631 retval = ext2fs_file_write(e2_file, ptr,
1641 ext2fs_free_mem(&zero_buf);
1642 retval = ext2fs_file_close(e2_file);
1647 ext2fs_free_mem(&zero_buf);
1648 (void) ext2fs_file_close(e2_file);
1653 void do_write(int argc, char *argv[])
1656 struct stat statbuf;
1659 struct ext2_inode inode;
1660 int bufsize = IO_BUFSIZE;
1663 if (common_args_process(argc, argv, 3, 3, "write",
1664 "<native file> <new file>", CHECK_FS_RW))
1667 fd = open(argv[1], O_RDONLY);
1669 com_err(argv[1], errno, 0);
1672 if (fstat(fd, &statbuf) < 0) {
1673 com_err(argv[1], errno, 0);
1678 retval = ext2fs_namei(current_fs, root, cwd, argv[2], &newfile);
1680 com_err(argv[0], 0, "The file '%s' already exists\n", argv[2]);
1685 retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile);
1687 com_err(argv[0], retval, 0);
1691 printf("Allocated inode: %u\n", newfile);
1692 retval = ext2fs_link(current_fs, cwd, argv[2], newfile,
1694 if (retval == EXT2_ET_DIR_NO_SPACE) {
1695 retval = ext2fs_expand_dir(current_fs, cwd);
1697 com_err(argv[0], retval, "while expanding directory");
1701 retval = ext2fs_link(current_fs, cwd, argv[2], newfile,
1705 com_err(argv[2], retval, 0);
1709 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,newfile))
1710 com_err(argv[0], 0, "Warning: inode already set");
1711 ext2fs_inode_alloc_stats2(current_fs, newfile, +1, 0);
1712 memset(&inode, 0, sizeof(inode));
1713 inode.i_mode = (statbuf.st_mode & ~LINUX_S_IFMT) | LINUX_S_IFREG;
1714 inode.i_atime = inode.i_ctime = inode.i_mtime =
1715 current_fs->now ? current_fs->now : time(0);
1716 inode.i_links_count = 1;
1717 inode.i_size = statbuf.st_size;
1718 if (current_fs->super->s_feature_incompat &
1719 EXT3_FEATURE_INCOMPAT_EXTENTS) {
1721 struct ext3_extent_header *eh;
1723 eh = (struct ext3_extent_header *) &inode.i_block[0];
1726 eh->eh_magic = EXT3_EXT_MAGIC;
1727 i = (sizeof(inode.i_block) - sizeof(*eh)) /
1728 sizeof(struct ext3_extent);
1729 eh->eh_max = ext2fs_cpu_to_le16(i);
1730 inode.i_flags |= EXT4_EXTENTS_FL;
1732 if (debugfs_write_new_inode(newfile, &inode, argv[0])) {
1736 if (LINUX_S_ISREG(inode.i_mode)) {
1737 if (statbuf.st_blocks < statbuf.st_size / S_BLKSIZE) {
1740 * Use I/O blocksize as buffer size when
1741 * copying sparse files.
1743 bufsize = statbuf.st_blksize;
1745 retval = copy_file(fd, newfile, bufsize, make_holes);
1747 com_err("copy_file", retval, 0);
1752 void do_mknod(int argc, char *argv[])
1754 unsigned long mode, major, minor;
1757 struct ext2_inode inode;
1760 if (check_fs_open(argv[0]))
1762 if (argc < 3 || argv[2][1]) {
1764 com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]");
1767 mode = minor = major = 0;
1768 switch (argv[2][0]) {
1770 mode = LINUX_S_IFIFO;
1771 filetype = EXT2_FT_FIFO;
1775 mode = LINUX_S_IFCHR;
1776 filetype = EXT2_FT_CHRDEV;
1780 mode = LINUX_S_IFBLK;
1781 filetype = EXT2_FT_BLKDEV;
1789 major = strtoul(argv[3], argv+3, 0);
1790 minor = strtoul(argv[4], argv+4, 0);
1791 if (major > 65535 || minor > 65535 || argv[3][0] || argv[4][0])
1796 if (check_fs_read_write(argv[0]))
1798 retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile);
1800 com_err(argv[0], retval, 0);
1803 printf("Allocated inode: %u\n", newfile);
1804 retval = ext2fs_link(current_fs, cwd, argv[1], newfile, filetype);
1805 if (retval == EXT2_ET_DIR_NO_SPACE) {
1806 retval = ext2fs_expand_dir(current_fs, cwd);
1808 com_err(argv[0], retval, "while expanding directory");
1811 retval = ext2fs_link(current_fs, cwd, argv[1], newfile,
1815 com_err(argv[1], retval, 0);
1818 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,newfile))
1819 com_err(argv[0], 0, "Warning: inode already set");
1820 ext2fs_inode_alloc_stats2(current_fs, newfile, +1, 0);
1821 memset(&inode, 0, sizeof(inode));
1822 inode.i_mode = mode;
1823 inode.i_atime = inode.i_ctime = inode.i_mtime =
1824 current_fs->now ? current_fs->now : time(0);
1825 if ((major < 256) && (minor < 256)) {
1826 inode.i_block[0] = major*256+minor;
1827 inode.i_block[1] = 0;
1829 inode.i_block[0] = 0;
1830 inode.i_block[1] = (minor & 0xff) | (major << 8) | ((minor & ~0xff) << 12);
1832 inode.i_links_count = 1;
1833 if (debugfs_write_new_inode(newfile, &inode, argv[0]))
1837 void do_mkdir(int argc, char *argv[])
1844 if (common_args_process(argc, argv, 2, 2, "mkdir",
1845 "<filename>", CHECK_FS_RW))
1848 cp = strrchr(argv[1], '/');
1851 parent = string_to_inode(argv[1]);
1853 com_err(argv[1], ENOENT, 0);
1863 retval = ext2fs_mkdir(current_fs, parent, 0, name);
1864 if (retval == EXT2_ET_DIR_NO_SPACE) {
1865 retval = ext2fs_expand_dir(current_fs, parent);
1867 com_err(argv[0], retval, "while expanding directory");
1873 com_err("ext2fs_mkdir", retval, 0);
1879 static int release_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
1880 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1881 blk64_t ref_block EXT2FS_ATTR((unused)),
1882 int ref_offset EXT2FS_ATTR((unused)),
1883 void *private EXT2FS_ATTR((unused)))
1888 ext2fs_block_alloc_stats2(fs, block, -1);
1892 static void kill_file_by_inode(ext2_ino_t inode)
1894 struct ext2_inode inode_buf;
1896 if (debugfs_read_inode(inode, &inode_buf, 0))
1898 inode_buf.i_dtime = current_fs->now ? current_fs->now : time(0);
1899 if (debugfs_write_inode(inode, &inode_buf, 0))
1901 if (!ext2fs_inode_has_valid_blocks2(current_fs, &inode_buf))
1904 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
1905 release_blocks_proc, NULL);
1907 ext2fs_inode_alloc_stats2(current_fs, inode, -1,
1908 LINUX_S_ISDIR(inode_buf.i_mode));
1912 void do_kill_file(int argc, char *argv[])
1914 ext2_ino_t inode_num;
1916 if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1919 kill_file_by_inode(inode_num);
1922 void do_rm(int argc, char *argv[])
1925 ext2_ino_t inode_num;
1926 struct ext2_inode inode;
1928 if (common_args_process(argc, argv, 2, 2, "rm",
1929 "<filename>", CHECK_FS_RW))
1932 retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1934 com_err(argv[0], retval, "while trying to resolve filename");
1938 if (debugfs_read_inode(inode_num, &inode, argv[0]))
1941 if (LINUX_S_ISDIR(inode.i_mode)) {
1942 com_err(argv[0], 0, "file is a directory");
1946 --inode.i_links_count;
1947 if (debugfs_write_inode(inode_num, &inode, argv[0]))
1950 unlink_file_by_name(argv[1]);
1951 if (inode.i_links_count == 0)
1952 kill_file_by_inode(inode_num);
1960 static int rmdir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)),
1961 int entry EXT2FS_ATTR((unused)),
1962 struct ext2_dir_entry *dirent,
1963 int offset EXT2FS_ATTR((unused)),
1964 int blocksize EXT2FS_ATTR((unused)),
1965 char *buf EXT2FS_ATTR((unused)),
1968 struct rd_struct *rds = (struct rd_struct *) private;
1970 if (dirent->inode == 0)
1972 if (((dirent->name_len&0xFF) == 1) && (dirent->name[0] == '.'))
1974 if (((dirent->name_len&0xFF) == 2) && (dirent->name[0] == '.') &&
1975 (dirent->name[1] == '.')) {
1976 rds->parent = dirent->inode;
1983 void do_rmdir(int argc, char *argv[])
1986 ext2_ino_t inode_num;
1987 struct ext2_inode inode;
1988 struct rd_struct rds;
1990 if (common_args_process(argc, argv, 2, 2, "rmdir",
1991 "<filename>", CHECK_FS_RW))
1994 retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1996 com_err(argv[0], retval, "while trying to resolve filename");
2000 if (debugfs_read_inode(inode_num, &inode, argv[0]))
2003 if (!LINUX_S_ISDIR(inode.i_mode)) {
2004 com_err(argv[0], 0, "file is not a directory");
2011 retval = ext2fs_dir_iterate2(current_fs, inode_num, 0,
2012 0, rmdir_proc, &rds);
2014 com_err(argv[0], retval, "while iterating over directory");
2017 if (rds.empty == 0) {
2018 com_err(argv[0], 0, "directory not empty");
2022 inode.i_links_count = 0;
2023 if (debugfs_write_inode(inode_num, &inode, argv[0]))
2026 unlink_file_by_name(argv[1]);
2027 kill_file_by_inode(inode_num);
2030 if (debugfs_read_inode(rds.parent, &inode, argv[0]))
2032 if (inode.i_links_count > 1)
2033 inode.i_links_count--;
2034 if (debugfs_write_inode(rds.parent, &inode, argv[0]))
2038 #endif /* READ_ONLY */
2040 void do_show_debugfs_params(int argc EXT2FS_ATTR((unused)),
2041 char *argv[] EXT2FS_ATTR((unused)))
2044 printf("Open mode: read-%s\n",
2045 current_fs->flags & EXT2_FLAG_RW ? "write" : "only");
2046 printf("Filesystem in use: %s\n",
2047 current_fs ? current_fs->device_name : "--none--");
2051 void do_expand_dir(int argc, char *argv[])
2056 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
2059 retval = ext2fs_expand_dir(current_fs, inode);
2061 com_err("ext2fs_expand_dir", retval, 0);
2065 void do_features(int argc, char *argv[])
2069 if (check_fs_open(argv[0]))
2072 if ((argc != 1) && check_fs_read_write(argv[0]))
2074 for (i=1; i < argc; i++) {
2075 if (e2p_edit_feature(argv[i],
2076 ¤t_fs->super->s_feature_compat, 0))
2077 com_err(argv[0], 0, "Unknown feature: %s\n",
2080 ext2fs_mark_super_dirty(current_fs);
2082 print_features(current_fs->super, stdout);
2084 #endif /* READ_ONLY */
2086 void do_bmap(int argc, char *argv[])
2093 if (common_args_process(argc, argv, 3, 3, argv[0],
2094 "<file> logical_blk", 0))
2097 ino = string_to_inode(argv[1]);
2100 blk = parse_ulong(argv[2], argv[0], "logical_block", &err);
2102 errcode = ext2fs_bmap2(current_fs, ino, 0, 0, 0, blk, 0, &pblk);
2104 com_err("argv[0]", errcode,
2105 "while mapping logical block %llu\n", blk);
2108 printf("%llu\n", pblk);
2111 void do_imap(int argc, char *argv[])
2114 unsigned long group, block, block_nr, offset;
2116 if (common_args_process(argc, argv, 2, 2, argv[0],
2119 ino = string_to_inode(argv[1]);
2123 group = (ino - 1) / EXT2_INODES_PER_GROUP(current_fs->super);
2124 offset = ((ino - 1) % EXT2_INODES_PER_GROUP(current_fs->super)) *
2125 EXT2_INODE_SIZE(current_fs->super);
2126 block = offset >> EXT2_BLOCK_SIZE_BITS(current_fs->super);
2127 if (!ext2fs_inode_table_loc(current_fs, (unsigned)group)) {
2128 com_err(argv[0], 0, "Inode table for group %lu is missing\n",
2132 block_nr = ext2fs_inode_table_loc(current_fs, (unsigned)group) +
2134 offset &= (EXT2_BLOCK_SIZE(current_fs->super) - 1);
2136 printf("Inode %d is part of block group %lu\n"
2137 "\tlocated at block %lu, offset 0x%04lx\n", ino, group,
2143 void do_set_current_time(int argc, char *argv[])
2147 if (common_args_process(argc, argv, 2, 2, argv[0],
2151 now = string_to_time(argv[1]);
2152 if (now == ((time_t) -1)) {
2153 com_err(argv[0], 0, "Couldn't parse argument as a time: %s\n",
2158 printf("Setting current time to %s\n", time_to_string(now));
2159 current_fs->now = now;
2162 #endif /* READ_ONLY */
2164 static int find_supp_feature(__u32 *supp, int feature_type, char *name)
2166 int compat, bit, ret;
2167 unsigned int feature_mask;
2170 if (feature_type == E2P_FS_FEATURE)
2171 ret = e2p_string2feature(name, &compat, &feature_mask);
2173 ret = e2p_jrnl_string2feature(name, &compat,
2178 if (!(supp[compat] & feature_mask))
2181 for (compat = 0; compat < 3; compat++) {
2182 for (bit = 0, feature_mask = 1; bit < 32;
2183 bit++, feature_mask <<= 1) {
2184 if (supp[compat] & feature_mask) {
2185 if (feature_type == E2P_FS_FEATURE)
2186 fprintf(stdout, " %s",
2187 e2p_feature2string(compat,
2190 fprintf(stdout, " %s",
2191 e2p_jrnl_feature2string(compat,
2196 fprintf(stdout, "\n");
2202 void do_supported_features(int argc, char *argv[])
2205 __u32 supp[3] = { EXT2_LIB_FEATURE_COMPAT_SUPP,
2206 EXT2_LIB_FEATURE_INCOMPAT_SUPP,
2207 EXT2_LIB_FEATURE_RO_COMPAT_SUPP };
2208 __u32 jrnl_supp[3] = { JFS_KNOWN_COMPAT_FEATURES,
2209 JFS_KNOWN_INCOMPAT_FEATURES,
2210 JFS_KNOWN_ROCOMPAT_FEATURES };
2213 ret = find_supp_feature(supp, E2P_FS_FEATURE, argv[1]);
2215 ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE,
2219 com_err(argv[0], 0, "Unknown feature: %s\n", argv[1]);
2221 fprintf(stdout, "Supported feature: %s\n", argv[1]);
2223 fprintf(stdout, "Supported features:");
2224 ret = find_supp_feature(supp, E2P_FS_FEATURE, NULL);
2225 ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE, NULL);
2230 void do_punch(int argc, char *argv[])
2237 if (common_args_process(argc, argv, 3, 4, argv[0],
2238 "<file> start_blk [end_blk]",
2239 CHECK_FS_RW | CHECK_FS_BITMAPS))
2242 ino = string_to_inode(argv[1]);
2245 start = parse_ulong(argv[2], argv[0], "logical_block", &err);
2247 end = parse_ulong(argv[3], argv[0], "logical_block", &err);
2251 errcode = ext2fs_punch(current_fs, ino, 0, 0, start, end);
2254 com_err(argv[0], errcode,
2255 "while truncating inode %u from %llu to %llu\n", ino,
2256 (unsigned long long) start, (unsigned long long) end);
2260 #endif /* READ_ONLY */
2262 void do_symlink(int argc, char *argv[])
2266 char *name, *target;
2269 if (common_args_process(argc, argv, 3, 3, "symlink",
2270 "<filename> <target>", CHECK_FS_RW))
2273 cp = strrchr(argv[1], '/');
2276 parent = string_to_inode(argv[1]);
2278 com_err(argv[1], ENOENT, 0);
2289 retval = ext2fs_symlink(current_fs, parent, 0, name, target);
2290 if (retval == EXT2_ET_DIR_NO_SPACE) {
2291 retval = ext2fs_expand_dir(current_fs, parent);
2293 com_err(argv[0], retval, "while expanding directory");
2299 com_err("ext2fs_symlink", retval, 0);
2305 void do_dump_mmp(int argc EXT2FS_ATTR((unused)), char *argv[])
2307 struct ext2_super_block *sb;
2308 struct mmp_struct *mmp_s;
2310 errcode_t retval = 0;
2312 if (check_fs_open(argv[0]))
2315 sb = current_fs->super;
2317 if (current_fs->mmp_buf == NULL) {
2318 retval = ext2fs_get_mem(current_fs->blocksize,
2319 ¤t_fs->mmp_buf);
2321 com_err(argv[0], retval, "allocating MMP buffer.\n");
2326 mmp_s = current_fs->mmp_buf;
2328 retval = ext2fs_mmp_read(current_fs, current_fs->super->s_mmp_block,
2329 current_fs->mmp_buf);
2331 com_err(argv[0], retval, "reading MMP block.\n");
2335 t = mmp_s->mmp_time;
2336 fprintf(stdout, "block_number: %llu\n", current_fs->super->s_mmp_block);
2337 fprintf(stdout, "update_interval: %d\n",
2338 current_fs->super->s_mmp_update_interval);
2339 fprintf(stdout, "check_interval: %d\n", mmp_s->mmp_check_interval);
2340 fprintf(stdout, "sequence: %08x\n", mmp_s->mmp_seq);
2341 fprintf(stdout, "time: %lld -- %s", mmp_s->mmp_time, ctime(&t));
2342 fprintf(stdout, "node_name: %s\n", mmp_s->mmp_nodename);
2343 fprintf(stdout, "device_name: %s\n", mmp_s->mmp_bdevname);
2344 fprintf(stdout, "magic: 0x%x\n", mmp_s->mmp_magic);
2347 static int source_file(const char *cmd_file, int ss_idx)
2352 int exit_status = 0;
2355 if (strcmp(cmd_file, "-") == 0)
2358 f = fopen(cmd_file, "r");
2366 setbuf(stdout, NULL);
2367 setbuf(stderr, NULL);
2369 if (fgets(buf, sizeof(buf), f) == NULL)
2371 cp = strchr(buf, '\n');
2374 cp = strchr(buf, '\r');
2377 printf("debugfs: %s\n", buf);
2378 retval = ss_execute_line(ss_idx, buf);
2380 ss_perror(ss_idx, retval, buf);
2389 int main(int argc, char **argv)
2393 "Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] "
2394 "[-R request] [-V] ["
2400 int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS;
2402 int exit_status = 0;
2404 blk64_t superblock = 0;
2405 blk64_t blocksize = 0;
2406 int catastrophic = 0;
2407 char *data_filename = 0;
2409 const char *opt_string = "icR:f:b:s:Vd:D";
2411 const char *opt_string = "iwcR:f:b:s:Vd:D";
2414 if (debug_prog_name == 0)
2416 debug_prog_name = "rdebugfs";
2418 debug_prog_name = "debugfs";
2420 add_error_table(&et_ext2_error_table);
2421 fprintf (stderr, "%s %s (%s)\n", debug_prog_name,
2422 E2FSPROGS_VERSION, E2FSPROGS_DATE);
2424 while ((c = getopt (argc, argv, opt_string)) != EOF) {
2433 data_filename = optarg;
2436 open_flags |= EXT2_FLAG_IMAGE_FILE;
2440 open_flags |= EXT2_FLAG_RW;
2444 open_flags |= EXT2_FLAG_DIRECT_IO;
2447 blocksize = parse_ulong(optarg, argv[0],
2451 superblock = parse_ulong(optarg, argv[0],
2452 "superblock number", 0);
2458 /* Print version number and exit */
2459 fprintf(stderr, "\tUsing %s\n",
2460 error_message(EXT2_ET_BASE));
2463 com_err(argv[0], 0, usage, debug_prog_name);
2468 open_filesystem(argv[optind], open_flags,
2469 superblock, blocksize, catastrophic,
2472 sci_idx = ss_create_invocation(debug_prog_name, "0.0", (char *) NULL,
2473 &debug_cmds, &retval);
2475 ss_perror(sci_idx, retval, "creating invocation");
2478 ss_get_readline(sci_idx);
2480 (void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval);
2482 ss_perror(sci_idx, retval, "adding standard requests");
2486 ss_add_request_table (sci_idx, extra_cmds, 1, &retval);
2488 ss_perror(sci_idx, retval, "adding extra requests");
2493 retval = ss_execute_line(sci_idx, request);
2495 ss_perror(sci_idx, retval, request);
2498 } else if (cmd_file) {
2499 exit_status = source_file(cmd_file, sci_idx);
2504 ss_delete_invocation(sci_idx);
2509 remove_error_table(&et_ext2_error_table);