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>
30 #include "uuid/uuid.h"
33 #include <ext2fs/ext2_ext_attr.h>
35 #include "../version.h"
42 ss_request_table *extra_cmds;
43 const char *debug_prog_name;
48 static void open_filesystem(char *device, int open_flags, blk64_t superblock,
49 blk64_t blocksize, int catastrophic,
53 io_channel data_io = 0;
55 if (superblock != 0 && blocksize == 0) {
56 com_err(device, 0, "if you specify the superblock, you must also specify the block size");
62 if ((open_flags & EXT2_FLAG_IMAGE_FILE) == 0) {
64 "The -d option is only valid when reading an e2image file");
68 retval = unix_io_manager->open(data_filename, 0, &data_io);
70 com_err(data_filename, 0, "while opening data source");
76 if (catastrophic && (open_flags & EXT2_FLAG_RW)) {
78 "opening read-only because of catastrophic mode");
79 open_flags &= ~EXT2_FLAG_RW;
82 open_flags |= EXT2_FLAG_SKIP_MMP;
84 retval = ext2fs_open(device, open_flags, superblock, blocksize,
85 unix_io_manager, ¤t_fs);
87 com_err(device, retval, "while opening filesystem");
91 current_fs->default_bitmap_type = EXT2FS_BMAP64_RBTREE;
94 com_err(device, 0, "catastrophic mode - not reading inode or group bitmaps");
96 retval = ext2fs_read_inode_bitmap(current_fs);
98 com_err(device, retval, "while reading inode bitmap");
101 retval = ext2fs_read_block_bitmap(current_fs);
103 com_err(device, retval, "while reading block bitmap");
109 retval = ext2fs_set_data_io(current_fs, data_io);
111 com_err(device, retval,
112 "while setting data source");
117 root = cwd = EXT2_ROOT_INO;
121 retval = ext2fs_close(current_fs);
123 com_err(device, retval, "while trying to close filesystem");
127 void do_open_filesys(int argc, char **argv)
130 int catastrophic = 0;
131 blk64_t superblock = 0;
132 blk64_t blocksize = 0;
133 int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS;
134 char *data_filename = 0;
137 while ((c = getopt (argc, argv, "iwfecb:s:d:D")) != EOF) {
140 open_flags |= EXT2_FLAG_IMAGE_FILE;
146 open_flags |= EXT2_FLAG_RW;
147 #endif /* READ_ONLY */
150 open_flags |= EXT2_FLAG_FORCE;
153 open_flags |= EXT2_FLAG_EXCLUSIVE;
159 data_filename = optarg;
162 open_flags |= EXT2_FLAG_DIRECT_IO;
165 blocksize = parse_ulong(optarg, argv[0],
171 err = strtoblk(argv[0], optarg,
172 "superblock block number", &superblock);
180 if (optind != argc-1) {
183 if (check_fs_not_open(argv[0]))
185 open_filesystem(argv[optind], open_flags,
186 superblock, blocksize, catastrophic,
191 fprintf(stderr, "%s: Usage: open [-s superblock] [-b blocksize] "
192 "[-d image_filename] [-c] [-i] [-f] [-e] [-D] "
196 "<device>\n", argv[0]);
199 void do_lcd(int argc, char **argv)
202 com_err(argv[0], 0, "Usage: %s %s", argv[0], "<native dir>");
206 if (chdir(argv[1]) == -1) {
207 com_err(argv[0], errno,
208 "while trying to change native directory to %s",
214 static void close_filesystem(NOARGS)
218 if (current_fs->flags & EXT2_FLAG_IB_DIRTY) {
219 retval = ext2fs_write_inode_bitmap(current_fs);
221 com_err("ext2fs_write_inode_bitmap", retval, 0);
223 if (current_fs->flags & EXT2_FLAG_BB_DIRTY) {
224 retval = ext2fs_write_block_bitmap(current_fs);
226 com_err("ext2fs_write_block_bitmap", retval, 0);
228 retval = ext2fs_close(current_fs);
230 com_err("ext2fs_close", retval, 0);
235 void do_close_filesys(int argc, char **argv)
239 if (check_fs_open(argv[0]))
243 while ((c = getopt (argc, argv, "a")) != EOF) {
246 current_fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
255 com_err(0, 0, "Usage: close_filesys [-a]");
263 void do_init_filesys(int argc, char **argv)
265 struct ext2_super_block param;
270 if (common_args_process(argc, argv, 3, 3, "initialize",
271 "<device> <blocks>", CHECK_FS_NOTOPEN))
274 memset(¶m, 0, sizeof(struct ext2_super_block));
275 err = strtoblk(argv[0], argv[2], "blocks count", &blocks);
278 ext2fs_blocks_count_set(¶m, blocks);
279 retval = ext2fs_initialize(argv[1], 0, ¶m,
280 unix_io_manager, ¤t_fs);
282 com_err(argv[1], retval, "while initializing filesystem");
286 root = cwd = EXT2_ROOT_INO;
290 static void print_features(struct ext2_super_block * s, FILE *f)
293 __u32 *mask = &s->s_feature_compat, m;
295 fputs("Filesystem features:", f);
296 for (i=0; i <3; i++,mask++) {
297 for (j=0,m=1; j < 32; j++, m<<=1) {
299 fprintf(f, " %s", e2p_feature2string(i, m));
308 #endif /* READ_ONLY */
310 static void print_bg_opts(ext2_filsys fs, dgrp_t group, int mask,
311 const char *str, int *first, FILE *f)
313 if (ext2fs_bg_flags_test(fs, group, mask)) {
323 void do_show_super_stats(int argc, char *argv[])
325 const char *units ="block";
328 int c, header_only = 0;
329 int numdirs = 0, first, gdt_csum;
332 while ((c = getopt (argc, argv, "h")) != EOF) {
341 if (optind != argc) {
344 if (check_fs_open(argv[0]))
348 if (EXT2_HAS_RO_COMPAT_FEATURE(current_fs->super,
349 EXT4_FEATURE_RO_COMPAT_BIGALLOC))
352 list_super2(current_fs->super, out);
353 for (i=0; i < current_fs->group_desc_count; i++)
354 numdirs += ext2fs_bg_used_dirs_count(current_fs, i);
355 fprintf(out, "Directories: %d\n", numdirs);
362 gdt_csum = ext2fs_has_group_desc_csum(current_fs);
363 for (i = 0; i < current_fs->group_desc_count; i++) {
364 fprintf(out, " Group %2d: block bitmap at %llu, "
365 "inode bitmap at %llu, "
366 "inode table at %llu\n"
370 i, ext2fs_block_bitmap_loc(current_fs, i),
371 ext2fs_inode_bitmap_loc(current_fs, i),
372 ext2fs_inode_table_loc(current_fs, i),
373 ext2fs_bg_free_blocks_count(current_fs, i), units,
374 ext2fs_bg_free_blocks_count(current_fs, i) != 1 ?
376 ext2fs_bg_free_inodes_count(current_fs, i),
377 ext2fs_bg_free_inodes_count(current_fs, i) != 1 ?
379 ext2fs_bg_used_dirs_count(current_fs, i),
380 ext2fs_bg_used_dirs_count(current_fs, i) != 1 ? "directories"
381 : "directory", gdt_csum ? ", " : "\n");
383 fprintf(out, "%u unused %s\n",
384 ext2fs_bg_itable_unused(current_fs, i),
385 ext2fs_bg_itable_unused(current_fs, i) != 1 ?
388 print_bg_opts(current_fs, i, EXT2_BG_INODE_UNINIT, "Inode not init",
390 print_bg_opts(current_fs, i, EXT2_BG_BLOCK_UNINIT, "Block not init",
393 fprintf(out, "%sChecksum 0x%04x",
394 first ? " [":", ", ext2fs_bg_checksum(current_fs, i));
403 fprintf(stderr, "%s: Usage: show_super [-h]\n", argv[0]);
407 void do_dirty_filesys(int argc EXT2FS_ATTR((unused)),
408 char **argv EXT2FS_ATTR((unused)))
410 if (check_fs_open(argv[0]))
412 if (check_fs_read_write(argv[0]))
415 if (argv[1] && !strcmp(argv[1], "-clean"))
416 current_fs->super->s_state |= EXT2_VALID_FS;
418 current_fs->super->s_state &= ~EXT2_VALID_FS;
419 ext2fs_mark_super_dirty(current_fs);
421 #endif /* READ_ONLY */
423 struct list_blocks_struct {
426 blk64_t first_block, last_block;
427 e2_blkcnt_t first_bcnt, last_bcnt;
431 static void finish_range(struct list_blocks_struct *lb)
433 if (lb->first_block == 0)
438 fprintf(lb->f, ", ");
439 if (lb->first_block == lb->last_block)
440 fprintf(lb->f, "(%lld):%llu",
441 (long long)lb->first_bcnt, lb->first_block);
443 fprintf(lb->f, "(%lld-%lld):%llu-%llu",
444 (long long)lb->first_bcnt, (long long)lb->last_bcnt,
445 lb->first_block, lb->last_block);
449 static int list_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
450 blk64_t *blocknr, e2_blkcnt_t blockcnt,
451 blk64_t ref_block EXT2FS_ATTR((unused)),
452 int ref_offset EXT2FS_ATTR((unused)),
455 struct list_blocks_struct *lb = (struct list_blocks_struct *) private;
460 * See if we can add on to the existing range (if it exists)
462 if (lb->first_block &&
463 (lb->last_block+1 == *blocknr) &&
464 (lb->last_bcnt+1 == blockcnt)) {
465 lb->last_block = *blocknr;
466 lb->last_bcnt = blockcnt;
473 lb->first_block = lb->last_block = *blocknr;
474 lb->first_bcnt = lb->last_bcnt = blockcnt;
478 * Not a normal block. Always force a new range.
484 fprintf(lb->f, ", ");
486 fprintf(lb->f, "(IND):%llu", (unsigned long long) *blocknr);
487 else if (blockcnt == -2)
488 fprintf(lb->f, "(DIND):%llu", (unsigned long long) *blocknr);
489 else if (blockcnt == -3)
490 fprintf(lb->f, "(TIND):%llu", (unsigned long long) *blocknr);
494 static void dump_xattr_string(FILE *out, const char *str, int len)
499 /* check: is string "printable enough?" */
500 for (i = 0; i < len; i++)
504 if (printable <= len*7/8)
507 for (i = 0; i < len; i++)
509 fprintf(out, isprint(str[i]) ? "%c" : "\\%03o",
510 (unsigned char)str[i]);
512 fprintf(out, "%02x ", (unsigned char)str[i]);
515 static void internal_dump_inode_extra(FILE *out,
516 const char *prefix EXT2FS_ATTR((unused)),
517 ext2_ino_t inode_num EXT2FS_ATTR((unused)),
518 struct ext2_inode_large *inode)
520 struct ext2_ext_attr_entry *entry;
523 unsigned int storage_size;
525 fprintf(out, "Size of extra inode fields: %u\n", inode->i_extra_isize);
526 if (inode->i_extra_isize > EXT2_INODE_SIZE(current_fs->super) -
527 EXT2_GOOD_OLD_INODE_SIZE) {
528 fprintf(stderr, "invalid inode->i_extra_isize (%u)\n",
529 inode->i_extra_isize);
534 /* Dump extended attributes */
535 static int dump_attr(char *name, char *value, size_t value_len, void *data)
540 dump_xattr_string(out, name, strlen(name));
541 fprintf(out, " = \"");
542 dump_xattr_string(out, value, value_len);
543 fprintf(out, "\" (%zu)\n", value_len);
548 static void dump_inode_attributes(FILE *out, ext2_ino_t ino)
550 struct ext2_xattr_handle *h;
553 err = ext2fs_xattrs_open(current_fs, ino, &h);
557 err = ext2fs_xattrs_read(h);
561 if (ext2fs_xattrs_count(h) == 0)
564 fprintf(out, "Extended attributes:\n");
565 err = ext2fs_xattrs_iterate(h, dump_attr, out);
570 err = ext2fs_xattrs_close(&h);
573 static void dump_blocks(FILE *f, const char *prefix, ext2_ino_t inode)
575 struct list_blocks_struct lb;
577 fprintf(f, "%sBLOCKS:\n%s", prefix, prefix);
582 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
583 list_blocks_proc, (void *)&lb);
586 fprintf(f, "\n%sTOTAL: %lld\n", prefix, (long long)lb.total);
590 static int int_log10(unsigned long long arg)
602 #define DUMP_LEAF_EXTENTS 0x01
603 #define DUMP_NODE_EXTENTS 0x02
604 #define DUMP_EXTENT_TABLE 0x04
606 static void dump_extents(FILE *f, const char *prefix, ext2_ino_t ino,
607 int flags, int logical_width, int physical_width)
609 ext2_extent_handle_t handle;
610 struct ext2fs_extent extent;
611 struct ext2_extent_info info;
612 int op = EXT2_EXTENT_ROOT;
613 unsigned int printed = 0;
616 errcode = ext2fs_extent_open(current_fs, ino, &handle);
620 if (flags & DUMP_EXTENT_TABLE)
621 fprintf(f, "Level Entries %*s %*s Length Flags\n",
622 (logical_width*2)+3, "Logical",
623 (physical_width*2)+3, "Physical");
625 fprintf(f, "%sEXTENTS:\n%s", prefix, prefix);
628 errcode = ext2fs_extent_get(handle, op, &extent);
633 op = EXT2_EXTENT_NEXT;
635 if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
638 if (extent.e_flags & EXT2_EXTENT_FLAGS_LEAF) {
639 if ((flags & DUMP_LEAF_EXTENTS) == 0)
642 if ((flags & DUMP_NODE_EXTENTS) == 0)
646 errcode = ext2fs_extent_get_info(handle, &info);
650 if (!(extent.e_flags & EXT2_EXTENT_FLAGS_LEAF)) {
651 if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
654 if (flags & DUMP_EXTENT_TABLE) {
655 fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
657 info.curr_level, info.max_depth,
658 info.curr_entry, info.num_entries,
662 extent.e_lblk + (extent.e_len - 1),
665 physical_width+3, "", extent.e_len);
669 fprintf(f, "%s(ETB%d):%lld",
670 printed ? ", " : "", info.curr_level,
676 if (flags & DUMP_EXTENT_TABLE) {
677 fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
678 "%*llu - %*llu %6u %s\n",
679 info.curr_level, info.max_depth,
680 info.curr_entry, info.num_entries,
684 extent.e_lblk + (extent.e_len - 1),
688 extent.e_pblk + (extent.e_len - 1),
690 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
695 if (extent.e_len == 0)
697 else if (extent.e_len == 1)
702 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
707 "%s(%lld-%lld%s):%lld-%lld",
710 extent.e_lblk + (extent.e_len - 1),
711 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
714 extent.e_pblk + (extent.e_len - 1));
721 static void dump_inline_data(FILE *out, const char *prefix, ext2_ino_t inode_num)
726 retval = ext2fs_inline_data_size(current_fs, inode_num, &size);
728 fprintf(out, "%sSize of inline data: %d", prefix, size);
731 void internal_dump_inode(FILE *out, const char *prefix,
732 ext2_ino_t inode_num, struct ext2_inode *inode,
737 int os = current_fs->super->s_creator_os;
738 struct ext2_inode_large *large_inode;
739 int is_large_inode = 0;
741 if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
743 large_inode = (struct ext2_inode_large *) inode;
745 if (LINUX_S_ISDIR(inode->i_mode)) i_type = "directory";
746 else if (LINUX_S_ISREG(inode->i_mode)) i_type = "regular";
747 else if (LINUX_S_ISLNK(inode->i_mode)) i_type = "symlink";
748 else if (LINUX_S_ISBLK(inode->i_mode)) i_type = "block special";
749 else if (LINUX_S_ISCHR(inode->i_mode)) i_type = "character special";
750 else if (LINUX_S_ISFIFO(inode->i_mode)) i_type = "FIFO";
751 else if (LINUX_S_ISSOCK(inode->i_mode)) i_type = "socket";
752 else i_type = "bad type";
753 fprintf(out, "%sInode: %u Type: %s ", prefix, inode_num, i_type);
754 fprintf(out, "%sMode: %04o Flags: 0x%x\n",
755 prefix, inode->i_mode & 0777, inode->i_flags);
756 if (is_large_inode && large_inode->i_extra_isize >= 24) {
757 fprintf(out, "%sGeneration: %u Version: 0x%08x:%08x\n",
758 prefix, inode->i_generation, large_inode->i_version_hi,
759 inode->osd1.linux1.l_i_version);
761 fprintf(out, "%sGeneration: %u Version: 0x%08x\n", prefix,
762 inode->i_generation, inode->osd1.linux1.l_i_version);
764 fprintf(out, "%sUser: %5d Group: %5d Size: ",
765 prefix, inode_uid(*inode), inode_gid(*inode));
766 if (LINUX_S_ISREG(inode->i_mode))
767 fprintf(out, "%llu\n", EXT2_I_SIZE(inode));
769 fprintf(out, "%d\n", inode->i_size);
770 if (os == EXT2_OS_HURD)
772 "%sFile ACL: %d Directory ACL: %d Translator: %d\n",
774 inode->i_file_acl, LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0,
775 inode->osd1.hurd1.h_i_translator);
777 fprintf(out, "%sFile ACL: %llu Directory ACL: %d\n",
779 inode->i_file_acl | ((long long)
780 (inode->osd2.linux2.l_i_file_acl_high) << 32),
781 LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0);
782 if (os == EXT2_OS_LINUX)
783 fprintf(out, "%sLinks: %d Blockcount: %llu\n",
784 prefix, inode->i_links_count,
785 (((unsigned long long)
786 inode->osd2.linux2.l_i_blocks_hi << 32)) +
789 fprintf(out, "%sLinks: %d Blockcount: %u\n",
790 prefix, inode->i_links_count, inode->i_blocks);
793 frag = inode->osd2.hurd2.h_i_frag;
794 fsize = inode->osd2.hurd2.h_i_fsize;
799 fprintf(out, "%sFragment: Address: %d Number: %d Size: %d\n",
800 prefix, inode->i_faddr, frag, fsize);
801 if (is_large_inode && large_inode->i_extra_isize >= 24) {
802 fprintf(out, "%s ctime: 0x%08x:%08x -- %s", prefix,
803 inode->i_ctime, large_inode->i_ctime_extra,
804 time_to_string(inode->i_ctime));
805 fprintf(out, "%s atime: 0x%08x:%08x -- %s", prefix,
806 inode->i_atime, large_inode->i_atime_extra,
807 time_to_string(inode->i_atime));
808 fprintf(out, "%s mtime: 0x%08x:%08x -- %s", prefix,
809 inode->i_mtime, large_inode->i_mtime_extra,
810 time_to_string(inode->i_mtime));
811 fprintf(out, "%scrtime: 0x%08x:%08x -- %s", prefix,
812 large_inode->i_crtime, large_inode->i_crtime_extra,
813 time_to_string(large_inode->i_crtime));
815 fprintf(out, "%sctime: 0x%08x -- %s", prefix, inode->i_ctime,
816 time_to_string(inode->i_ctime));
817 fprintf(out, "%satime: 0x%08x -- %s", prefix, inode->i_atime,
818 time_to_string(inode->i_atime));
819 fprintf(out, "%smtime: 0x%08x -- %s", prefix, inode->i_mtime,
820 time_to_string(inode->i_mtime));
823 fprintf(out, "%sdtime: 0x%08x -- %s", prefix, inode->i_dtime,
824 time_to_string(inode->i_dtime));
825 if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
826 internal_dump_inode_extra(out, prefix, inode_num,
827 (struct ext2_inode_large *) inode);
828 dump_inode_attributes(out, inode_num);
829 if (current_fs->super->s_creator_os == EXT2_OS_LINUX &&
830 current_fs->super->s_feature_ro_compat &
831 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) {
832 __u32 crc = inode->i_checksum_lo;
833 if (is_large_inode &&
834 large_inode->i_extra_isize >=
835 (offsetof(struct ext2_inode_large,
837 EXT2_GOOD_OLD_INODE_SIZE))
838 crc |= ((__u32)large_inode->i_checksum_hi) << 16;
839 fprintf(out, "Inode checksum: 0x%08x\n", crc);
842 if (LINUX_S_ISLNK(inode->i_mode) && ext2fs_inode_data_blocks(current_fs,inode) == 0)
843 fprintf(out, "%sFast_link_dest: %.*s\n", prefix,
844 (int) inode->i_size, (char *)inode->i_block);
845 else if (LINUX_S_ISBLK(inode->i_mode) || LINUX_S_ISCHR(inode->i_mode)) {
849 if (inode->i_block[0]) {
850 major = (inode->i_block[0] >> 8) & 255;
851 minor = inode->i_block[0] & 255;
854 major = (inode->i_block[1] & 0xfff00) >> 8;
855 minor = ((inode->i_block[1] & 0xff) |
856 ((inode->i_block[1] >> 12) & 0xfff00));
857 devnote = "(New-style) ";
859 fprintf(out, "%sDevice major/minor number: %02d:%02d (hex %02x:%02x)\n",
860 devnote, major, minor, major, minor);
861 } else if (do_dump_blocks) {
862 if (inode->i_flags & EXT4_EXTENTS_FL)
863 dump_extents(out, prefix, inode_num,
864 DUMP_LEAF_EXTENTS|DUMP_NODE_EXTENTS, 0, 0);
865 else if (inode->i_flags & EXT4_INLINE_DATA_FL)
866 dump_inline_data(out, prefix, inode_num);
868 dump_blocks(out, prefix, inode_num);
872 static void dump_inode(ext2_ino_t inode_num, struct ext2_inode *inode)
877 internal_dump_inode(out, "", inode_num, inode, 1);
881 void do_stat(int argc, char *argv[])
884 struct ext2_inode * inode_buf;
886 if (check_fs_open(argv[0]))
889 inode_buf = (struct ext2_inode *)
890 malloc(EXT2_INODE_SIZE(current_fs->super));
892 fprintf(stderr, "do_stat: can't allocate buffer\n");
896 if (common_inode_args_process(argc, argv, &inode, 0)) {
901 if (debugfs_read_inode_full(inode, inode_buf, argv[0],
902 EXT2_INODE_SIZE(current_fs->super))) {
907 dump_inode(inode, inode_buf);
912 void do_dump_extents(int argc, char **argv)
914 struct ext2_inode inode;
922 while ((c = getopt(argc, argv, "nl")) != EOF) {
925 flags |= DUMP_NODE_EXTENTS;
928 flags |= DUMP_LEAF_EXTENTS;
933 if (argc != optind + 1) {
934 com_err(0, 0, "Usage: dump_extents [-n] [-l] file");
939 flags = DUMP_NODE_EXTENTS | DUMP_LEAF_EXTENTS;
940 flags |= DUMP_EXTENT_TABLE;
942 if (check_fs_open(argv[0]))
945 ino = string_to_inode(argv[optind]);
949 if (debugfs_read_inode(ino, &inode, argv[0]))
952 if ((inode.i_flags & EXT4_EXTENTS_FL) == 0) {
953 fprintf(stderr, "%s: does not uses extent block maps\n",
958 logical_width = int_log10((EXT2_I_SIZE(&inode)+current_fs->blocksize-1)/
959 current_fs->blocksize) + 1;
960 if (logical_width < 5)
962 physical_width = int_log10(ext2fs_blocks_count(current_fs->super)) + 1;
963 if (physical_width < 5)
967 dump_extents(out, "", ino, flags, logical_width, physical_width);
972 static int print_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
974 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
975 blk64_t ref_block EXT2FS_ATTR((unused)),
976 int ref_offset EXT2FS_ATTR((unused)),
977 void *private EXT2FS_ATTR((unused)))
979 printf("%llu ", *blocknr);
983 void do_blocks(int argc, char *argv[])
987 if (check_fs_open(argv[0]))
990 if (common_inode_args_process(argc, argv, &inode, 0)) {
994 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
995 print_blocks_proc, NULL);
1000 void do_chroot(int argc, char *argv[])
1005 if (common_inode_args_process(argc, argv, &inode, 0))
1008 retval = ext2fs_check_directory(current_fs, inode);
1010 com_err(argv[1], retval, 0);
1017 void do_clri(int argc, char *argv[])
1020 struct ext2_inode inode_buf;
1022 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
1025 if (debugfs_read_inode(inode, &inode_buf, argv[0]))
1027 memset(&inode_buf, 0, sizeof(inode_buf));
1028 if (debugfs_write_inode(inode, &inode_buf, argv[0]))
1032 void do_freei(int argc, char *argv[])
1034 unsigned int len = 1;
1038 if (common_args_process(argc, argv, 2, 3, argv[0], "<file> [num]",
1039 CHECK_FS_RW | CHECK_FS_BITMAPS))
1041 if (check_fs_read_write(argv[0]))
1044 inode = string_to_inode(argv[1]);
1049 len = parse_ulong(argv[2], argv[0], "length", &err);
1055 !ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1056 com_err(argv[0], 0, "Warning: inode already clear");
1058 ext2fs_unmark_inode_bitmap2(current_fs->inode_map, inode++);
1059 ext2fs_mark_ib_dirty(current_fs);
1062 void do_seti(int argc, char *argv[])
1064 unsigned int len = 1;
1068 if (common_args_process(argc, argv, 2, 3, argv[0], "<file> [num]",
1069 CHECK_FS_RW | CHECK_FS_BITMAPS))
1071 if (check_fs_read_write(argv[0]))
1074 inode = string_to_inode(argv[1]);
1079 len = parse_ulong(argv[2], argv[0], "length", &err);
1085 ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1086 com_err(argv[0], 0, "Warning: inode already set");
1088 ext2fs_mark_inode_bitmap2(current_fs->inode_map, inode++);
1089 ext2fs_mark_ib_dirty(current_fs);
1091 #endif /* READ_ONLY */
1093 void do_testi(int argc, char *argv[])
1097 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_BITMAPS))
1100 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1101 printf("Inode %u is marked in use\n", inode);
1103 printf("Inode %u is not in use\n", inode);
1107 void do_freeb(int argc, char *argv[])
1112 if (common_block_args_process(argc, argv, &block, &count))
1114 if (check_fs_read_write(argv[0]))
1116 while (count-- > 0) {
1117 if (!ext2fs_test_block_bitmap2(current_fs->block_map,block))
1118 com_err(argv[0], 0, "Warning: block %llu already clear",
1120 ext2fs_unmark_block_bitmap2(current_fs->block_map,block);
1123 ext2fs_mark_bb_dirty(current_fs);
1126 void do_setb(int argc, char *argv[])
1131 if (common_block_args_process(argc, argv, &block, &count))
1133 if (check_fs_read_write(argv[0]))
1135 while (count-- > 0) {
1136 if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1137 com_err(argv[0], 0, "Warning: block %llu already set",
1139 ext2fs_mark_block_bitmap2(current_fs->block_map,block);
1142 ext2fs_mark_bb_dirty(current_fs);
1144 #endif /* READ_ONLY */
1146 void do_testb(int argc, char *argv[])
1151 if (common_block_args_process(argc, argv, &block, &count))
1153 while (count-- > 0) {
1154 if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1155 printf("Block %llu marked in use\n", block);
1157 printf("Block %llu not in use\n", block);
1163 static void modify_u8(char *com, const char *prompt,
1164 const char *format, __u8 *val)
1170 sprintf(buf, format, *val);
1171 printf("%30s [%s] ", prompt, buf);
1172 if (!fgets(buf, sizeof(buf), stdin))
1174 if (buf[strlen (buf) - 1] == '\n')
1175 buf[strlen (buf) - 1] = '\0';
1178 v = strtoul(buf, &tmp, 0);
1180 com_err(com, 0, "Bad value - %s", buf);
1185 static void modify_u16(char *com, const char *prompt,
1186 const char *format, __u16 *val)
1192 sprintf(buf, format, *val);
1193 printf("%30s [%s] ", prompt, buf);
1194 if (!fgets(buf, sizeof(buf), stdin))
1196 if (buf[strlen (buf) - 1] == '\n')
1197 buf[strlen (buf) - 1] = '\0';
1200 v = strtoul(buf, &tmp, 0);
1202 com_err(com, 0, "Bad value - %s", buf);
1207 static void modify_u32(char *com, const char *prompt,
1208 const char *format, __u32 *val)
1214 sprintf(buf, format, *val);
1215 printf("%30s [%s] ", prompt, buf);
1216 if (!fgets(buf, sizeof(buf), stdin))
1218 if (buf[strlen (buf) - 1] == '\n')
1219 buf[strlen (buf) - 1] = '\0';
1222 v = strtoul(buf, &tmp, 0);
1224 com_err(com, 0, "Bad value - %s", buf);
1230 void do_modify_inode(int argc, char *argv[])
1232 struct ext2_inode inode;
1233 ext2_ino_t inode_num;
1235 unsigned char *frag, *fsize;
1238 const char *hex_format = "0x%x";
1239 const char *octal_format = "0%o";
1240 const char *decimal_format = "%d";
1241 const char *unsignedlong_format = "%lu";
1243 if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1246 os = current_fs->super->s_creator_os;
1248 if (debugfs_read_inode(inode_num, &inode, argv[1]))
1251 modify_u16(argv[0], "Mode", octal_format, &inode.i_mode);
1252 modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid);
1253 modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid);
1254 modify_u32(argv[0], "Size", unsignedlong_format, &inode.i_size);
1255 modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime);
1256 modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime);
1257 modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime);
1258 modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime);
1259 modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count);
1260 if (os == EXT2_OS_LINUX)
1261 modify_u16(argv[0], "Block count high", unsignedlong_format,
1262 &inode.osd2.linux2.l_i_blocks_hi);
1263 modify_u32(argv[0], "Block count", unsignedlong_format, &inode.i_blocks);
1264 modify_u32(argv[0], "File flags", hex_format, &inode.i_flags);
1265 modify_u32(argv[0], "Generation", hex_format, &inode.i_generation);
1267 modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1);
1269 modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl);
1270 if (LINUX_S_ISDIR(inode.i_mode))
1271 modify_u32(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl);
1273 modify_u32(argv[0], "High 32bits of size", decimal_format, &inode.i_size_high);
1275 if (os == EXT2_OS_HURD)
1276 modify_u32(argv[0], "Translator Block",
1277 decimal_format, &inode.osd1.hurd1.h_i_translator);
1279 modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr);
1282 frag = &inode.osd2.hurd2.h_i_frag;
1283 fsize = &inode.osd2.hurd2.h_i_fsize;
1289 modify_u8(argv[0], "Fragment number", decimal_format, frag);
1291 modify_u8(argv[0], "Fragment size", decimal_format, fsize);
1293 for (i=0; i < EXT2_NDIR_BLOCKS; i++) {
1294 sprintf(buf, "Direct Block #%d", i);
1295 modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]);
1297 modify_u32(argv[0], "Indirect Block", decimal_format,
1298 &inode.i_block[EXT2_IND_BLOCK]);
1299 modify_u32(argv[0], "Double Indirect Block", decimal_format,
1300 &inode.i_block[EXT2_DIND_BLOCK]);
1301 modify_u32(argv[0], "Triple Indirect Block", decimal_format,
1302 &inode.i_block[EXT2_TIND_BLOCK]);
1303 if (debugfs_write_inode(inode_num, &inode, argv[1]))
1306 #endif /* READ_ONLY */
1308 void do_change_working_dir(int argc, char *argv[])
1313 if (common_inode_args_process(argc, argv, &inode, 0))
1316 retval = ext2fs_check_directory(current_fs, inode);
1318 com_err(argv[1], retval, 0);
1325 void do_print_working_directory(int argc, char *argv[])
1328 char *pathname = NULL;
1330 if (common_args_process(argc, argv, 1, 1,
1331 "print_working_directory", "", 0))
1334 retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname);
1336 com_err(argv[0], retval,
1337 "while trying to get pathname of cwd");
1339 printf("[pwd] INODE: %6u PATH: %s\n",
1340 cwd, pathname ? pathname : "NULL");
1345 retval = ext2fs_get_pathname(current_fs, root, 0, &pathname);
1347 com_err(argv[0], retval,
1348 "while trying to get pathname of root");
1350 printf("[root] INODE: %6u PATH: %s\n",
1351 root, pathname ? pathname : "NULL");
1360 static void make_link(char *sourcename, char *destname)
1363 struct ext2_inode inode;
1366 char *dest, *cp, *base_name;
1369 * Get the source inode
1371 ino = string_to_inode(sourcename);
1374 base_name = strrchr(sourcename, '/');
1378 base_name = sourcename;
1380 * Figure out the destination. First see if it exists and is
1383 if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir)))
1387 * OK, it doesn't exist. See if it is
1388 * '<dir>/basename' or 'basename'
1390 cp = strrchr(destname, '/');
1393 dir = string_to_inode(destname);
1403 if (debugfs_read_inode(ino, &inode, sourcename))
1406 retval = ext2fs_link(current_fs, dir, dest, ino,
1407 ext2_file_type(inode.i_mode));
1409 com_err("make_link", retval, 0);
1414 void do_link(int argc, char *argv[])
1416 if (common_args_process(argc, argv, 3, 3, "link",
1417 "<source file> <dest_name>", CHECK_FS_RW))
1420 make_link(argv[1], argv[2]);
1423 static int mark_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
1424 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1425 blk64_t ref_block EXT2FS_ATTR((unused)),
1426 int ref_offset EXT2FS_ATTR((unused)),
1427 void *private EXT2FS_ATTR((unused)))
1432 ext2fs_block_alloc_stats2(fs, block, +1);
1436 void do_undel(int argc, char *argv[])
1439 struct ext2_inode inode;
1441 if (common_args_process(argc, argv, 2, 3, "undelete",
1442 "<inode_num> [dest_name]",
1443 CHECK_FS_RW | CHECK_FS_BITMAPS))
1446 ino = string_to_inode(argv[1]);
1450 if (debugfs_read_inode(ino, &inode, argv[1]))
1453 if (ext2fs_test_inode_bitmap2(current_fs->inode_map, ino)) {
1454 com_err(argv[1], 0, "Inode is not marked as deleted");
1459 * XXX this function doesn't handle changing the links count on the
1460 * parent directory when undeleting a directory.
1462 inode.i_links_count = LINUX_S_ISDIR(inode.i_mode) ? 2 : 1;
1465 if (debugfs_write_inode(ino, &inode, argv[0]))
1468 ext2fs_block_iterate3(current_fs, ino, BLOCK_FLAG_READ_ONLY, NULL,
1469 mark_blocks_proc, NULL);
1471 ext2fs_inode_alloc_stats2(current_fs, ino, +1, 0);
1474 make_link(argv[1], argv[2]);
1477 static void unlink_file_by_name(char *filename)
1483 base_name = strrchr(filename, '/');
1485 *base_name++ = '\0';
1486 dir = string_to_inode(filename);
1491 base_name = filename;
1493 retval = ext2fs_unlink(current_fs, dir, base_name, 0, 0);
1495 com_err("unlink_file_by_name", retval, 0);
1499 void do_unlink(int argc, char *argv[])
1501 if (common_args_process(argc, argv, 2, 2, "link",
1502 "<pathname>", CHECK_FS_RW))
1505 unlink_file_by_name(argv[1]);
1507 #endif /* READ_ONLY */
1509 void do_find_free_block(int argc, char *argv[])
1511 blk64_t free_blk, goal, first_free = 0;
1516 if ((argc > 3) || (argc==2 && *argv[1] == '?')) {
1517 com_err(argv[0], 0, "Usage: find_free_block [count [goal]]");
1520 if (check_fs_open(argv[0]))
1524 count = strtol(argv[1],&tmp,0);
1526 com_err(argv[0], 0, "Bad count - %s", argv[1]);
1533 goal = strtol(argv[2], &tmp, 0);
1535 com_err(argv[0], 0, "Bad goal - %s", argv[1]);
1540 goal = current_fs->super->s_first_data_block;
1542 printf("Free blocks found: ");
1543 free_blk = goal - 1;
1544 while (count-- > 0) {
1545 retval = ext2fs_new_block2(current_fs, free_blk + 1, 0,
1548 if (first_free == free_blk)
1551 first_free = free_blk;
1553 com_err("ext2fs_new_block", retval, 0);
1556 printf("%llu ", free_blk);
1561 void do_find_free_inode(int argc, char *argv[])
1563 ext2_ino_t free_inode, dir;
1568 if (argc > 3 || (argc>1 && *argv[1] == '?')) {
1569 com_err(argv[0], 0, "Usage: find_free_inode [dir] [mode]");
1572 if (check_fs_open(argv[0]))
1576 dir = strtol(argv[1], &tmp, 0);
1578 com_err(argv[0], 0, "Bad dir - %s", argv[1]);
1585 mode = strtol(argv[2], &tmp, 0);
1587 com_err(argv[0], 0, "Bad mode - %s", argv[2]);
1593 retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode);
1595 com_err("ext2fs_new_inode", retval, 0);
1597 printf("Free inode found: %u\n", free_inode);
1601 void do_write(int argc, char *argv[])
1605 if (common_args_process(argc, argv, 3, 3, "write",
1606 "<native file> <new file>", CHECK_FS_RW))
1609 if ((retval = do_write_internal(cwd, argv[1], argv[2])))
1610 com_err(argv[0], retval, 0);
1613 void do_mknod(int argc, char *argv[])
1615 unsigned long mode, major, minor;
1620 if (check_fs_open(argv[0]))
1622 if (argc < 3 || argv[2][1]) {
1624 com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]");
1628 mode = minor = major = 0;
1629 switch (argv[2][0]) {
1631 st.st_mode = S_IFIFO;
1635 st.st_mode = S_IFCHR;
1639 st.st_mode = S_IFBLK;
1647 major = strtoul(argv[3], argv+3, 0);
1648 minor = strtoul(argv[4], argv+4, 0);
1649 if (major > 65535 || minor > 65535 || argv[3][0] || argv[4][0])
1656 st.st_rdev = makedev(major, minor);
1657 if ((retval = do_mknod_internal(cwd, argv[1], &st)))
1658 com_err(argv[0], retval, 0);
1661 void do_mkdir(int argc, char *argv[])
1665 if (common_args_process(argc, argv, 2, 2, "mkdir",
1666 "<filename>", CHECK_FS_RW))
1669 if ((retval = do_mkdir_internal(cwd, argv[1], NULL)))
1670 com_err(argv[0], retval, 0);
1674 static int release_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
1675 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1676 blk64_t ref_block EXT2FS_ATTR((unused)),
1677 int ref_offset EXT2FS_ATTR((unused)),
1678 void *private EXT2FS_ATTR((unused)))
1683 ext2fs_block_alloc_stats2(fs, block, -1);
1687 static void kill_file_by_inode(ext2_ino_t inode)
1689 struct ext2_inode inode_buf;
1691 if (debugfs_read_inode(inode, &inode_buf, 0))
1693 inode_buf.i_dtime = current_fs->now ? current_fs->now : time(0);
1694 if (debugfs_write_inode(inode, &inode_buf, 0))
1696 if (ext2fs_inode_has_valid_blocks2(current_fs, &inode_buf)) {
1697 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY,
1698 NULL, release_blocks_proc, NULL);
1701 ext2fs_inode_alloc_stats2(current_fs, inode, -1,
1702 LINUX_S_ISDIR(inode_buf.i_mode));
1706 void do_kill_file(int argc, char *argv[])
1708 ext2_ino_t inode_num;
1710 if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1713 kill_file_by_inode(inode_num);
1716 void do_rm(int argc, char *argv[])
1719 ext2_ino_t inode_num;
1720 struct ext2_inode inode;
1722 if (common_args_process(argc, argv, 2, 2, "rm",
1723 "<filename>", CHECK_FS_RW))
1726 retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1728 com_err(argv[0], retval, "while trying to resolve filename");
1732 if (debugfs_read_inode(inode_num, &inode, argv[0]))
1735 if (LINUX_S_ISDIR(inode.i_mode)) {
1736 com_err(argv[0], 0, "file is a directory");
1740 --inode.i_links_count;
1741 if (debugfs_write_inode(inode_num, &inode, argv[0]))
1744 unlink_file_by_name(argv[1]);
1745 if (inode.i_links_count == 0)
1746 kill_file_by_inode(inode_num);
1754 static int rmdir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)),
1755 int entry EXT2FS_ATTR((unused)),
1756 struct ext2_dir_entry *dirent,
1757 int offset EXT2FS_ATTR((unused)),
1758 int blocksize EXT2FS_ATTR((unused)),
1759 char *buf EXT2FS_ATTR((unused)),
1762 struct rd_struct *rds = (struct rd_struct *) private;
1764 if (dirent->inode == 0)
1766 if ((ext2fs_dirent_name_len(dirent) == 1) && (dirent->name[0] == '.'))
1768 if ((ext2fs_dirent_name_len(dirent) == 2) && (dirent->name[0] == '.') &&
1769 (dirent->name[1] == '.')) {
1770 rds->parent = dirent->inode;
1777 void do_rmdir(int argc, char *argv[])
1780 ext2_ino_t inode_num;
1781 struct ext2_inode inode;
1782 struct rd_struct rds;
1784 if (common_args_process(argc, argv, 2, 2, "rmdir",
1785 "<filename>", CHECK_FS_RW))
1788 retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1790 com_err(argv[0], retval, "while trying to resolve filename");
1794 if (debugfs_read_inode(inode_num, &inode, argv[0]))
1797 if (!LINUX_S_ISDIR(inode.i_mode)) {
1798 com_err(argv[0], 0, "file is not a directory");
1805 retval = ext2fs_dir_iterate2(current_fs, inode_num, 0,
1806 0, rmdir_proc, &rds);
1808 com_err(argv[0], retval, "while iterating over directory");
1811 if (rds.empty == 0) {
1812 com_err(argv[0], 0, "directory not empty");
1816 inode.i_links_count = 0;
1817 if (debugfs_write_inode(inode_num, &inode, argv[0]))
1820 unlink_file_by_name(argv[1]);
1821 kill_file_by_inode(inode_num);
1824 if (debugfs_read_inode(rds.parent, &inode, argv[0]))
1826 if (inode.i_links_count > 1)
1827 inode.i_links_count--;
1828 if (debugfs_write_inode(rds.parent, &inode, argv[0]))
1832 #endif /* READ_ONLY */
1834 void do_show_debugfs_params(int argc EXT2FS_ATTR((unused)),
1835 char *argv[] EXT2FS_ATTR((unused)))
1838 printf("Open mode: read-%s\n",
1839 current_fs->flags & EXT2_FLAG_RW ? "write" : "only");
1840 printf("Filesystem in use: %s\n",
1841 current_fs ? current_fs->device_name : "--none--");
1845 void do_expand_dir(int argc, char *argv[])
1850 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
1853 retval = ext2fs_expand_dir(current_fs, inode);
1855 com_err("ext2fs_expand_dir", retval, 0);
1859 void do_features(int argc, char *argv[])
1863 if (check_fs_open(argv[0]))
1866 if ((argc != 1) && check_fs_read_write(argv[0]))
1868 for (i=1; i < argc; i++) {
1869 if (e2p_edit_feature(argv[i],
1870 ¤t_fs->super->s_feature_compat, 0))
1871 com_err(argv[0], 0, "Unknown feature: %s\n",
1874 ext2fs_mark_super_dirty(current_fs);
1876 print_features(current_fs->super, stdout);
1878 #endif /* READ_ONLY */
1880 void do_bmap(int argc, char *argv[])
1887 if (common_args_process(argc, argv, 3, 3, argv[0],
1888 "<file> logical_blk", 0))
1891 ino = string_to_inode(argv[1]);
1894 err = strtoblk(argv[0], argv[2], "logical block", &blk);
1898 errcode = ext2fs_bmap2(current_fs, ino, 0, 0, 0, blk, 0, &pblk);
1900 com_err(argv[0], errcode,
1901 "while mapping logical block %llu\n", blk);
1904 printf("%llu\n", pblk);
1907 void do_imap(int argc, char *argv[])
1910 unsigned long group, block, block_nr, offset;
1912 if (common_args_process(argc, argv, 2, 2, argv[0],
1915 ino = string_to_inode(argv[1]);
1919 group = (ino - 1) / EXT2_INODES_PER_GROUP(current_fs->super);
1920 offset = ((ino - 1) % EXT2_INODES_PER_GROUP(current_fs->super)) *
1921 EXT2_INODE_SIZE(current_fs->super);
1922 block = offset >> EXT2_BLOCK_SIZE_BITS(current_fs->super);
1923 if (!ext2fs_inode_table_loc(current_fs, (unsigned)group)) {
1924 com_err(argv[0], 0, "Inode table for group %lu is missing\n",
1928 block_nr = ext2fs_inode_table_loc(current_fs, (unsigned)group) +
1930 offset &= (EXT2_BLOCK_SIZE(current_fs->super) - 1);
1932 printf("Inode %d is part of block group %lu\n"
1933 "\tlocated at block %lu, offset 0x%04lx\n", ino, group,
1939 void do_set_current_time(int argc, char *argv[])
1943 if (common_args_process(argc, argv, 2, 2, argv[0],
1947 now = string_to_time(argv[1]);
1948 if (now == ((time_t) -1)) {
1949 com_err(argv[0], 0, "Couldn't parse argument as a time: %s\n",
1954 printf("Setting current time to %s\n", time_to_string(now));
1955 current_fs->now = now;
1958 #endif /* READ_ONLY */
1960 static int find_supp_feature(__u32 *supp, int feature_type, char *name)
1962 int compat, bit, ret;
1963 unsigned int feature_mask;
1966 if (feature_type == E2P_FS_FEATURE)
1967 ret = e2p_string2feature(name, &compat, &feature_mask);
1969 ret = e2p_jrnl_string2feature(name, &compat,
1974 if (!(supp[compat] & feature_mask))
1977 for (compat = 0; compat < 3; compat++) {
1978 for (bit = 0, feature_mask = 1; bit < 32;
1979 bit++, feature_mask <<= 1) {
1980 if (supp[compat] & feature_mask) {
1981 if (feature_type == E2P_FS_FEATURE)
1982 fprintf(stdout, " %s",
1983 e2p_feature2string(compat,
1986 fprintf(stdout, " %s",
1987 e2p_jrnl_feature2string(compat,
1992 fprintf(stdout, "\n");
1998 void do_supported_features(int argc, char *argv[])
2001 __u32 supp[3] = { EXT2_LIB_FEATURE_COMPAT_SUPP,
2002 EXT2_LIB_FEATURE_INCOMPAT_SUPP,
2003 EXT2_LIB_FEATURE_RO_COMPAT_SUPP };
2004 __u32 jrnl_supp[3] = { JFS_KNOWN_COMPAT_FEATURES,
2005 JFS_KNOWN_INCOMPAT_FEATURES,
2006 JFS_KNOWN_ROCOMPAT_FEATURES };
2009 ret = find_supp_feature(supp, E2P_FS_FEATURE, argv[1]);
2011 ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE,
2015 com_err(argv[0], 0, "Unknown feature: %s\n", argv[1]);
2017 fprintf(stdout, "Supported feature: %s\n", argv[1]);
2019 fprintf(stdout, "Supported features:");
2020 ret = find_supp_feature(supp, E2P_FS_FEATURE, NULL);
2021 ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE, NULL);
2026 void do_punch(int argc, char *argv[])
2033 if (common_args_process(argc, argv, 3, 4, argv[0],
2034 "<file> start_blk [end_blk]",
2035 CHECK_FS_RW | CHECK_FS_BITMAPS))
2038 ino = string_to_inode(argv[1]);
2041 err = strtoblk(argv[0], argv[2], "logical block", &start);
2045 err = strtoblk(argv[0], argv[3], "logical block", &end);
2051 errcode = ext2fs_punch(current_fs, ino, 0, 0, start, end);
2054 com_err(argv[0], errcode,
2055 "while truncating inode %u from %llu to %llu\n", ino,
2056 (unsigned long long) start, (unsigned long long) end);
2060 #endif /* READ_ONLY */
2062 void do_symlink(int argc, char *argv[])
2066 if (common_args_process(argc, argv, 3, 3, "symlink",
2067 "<filename> <target>", CHECK_FS_RW))
2070 if ((retval = do_symlink_internal(cwd, argv[1], argv[2])))
2071 com_err(argv[0], retval, 0);
2075 void do_dump_mmp(int argc EXT2FS_ATTR((unused)), char *argv[])
2078 struct ext2_super_block *sb;
2079 struct mmp_struct *mmp_s;
2081 errcode_t retval = 0;
2083 if (check_fs_open(argv[0]))
2086 sb = current_fs->super;
2088 if (current_fs->mmp_buf == NULL) {
2089 retval = ext2fs_get_mem(current_fs->blocksize,
2090 ¤t_fs->mmp_buf);
2092 com_err(argv[0], retval, "allocating MMP buffer.\n");
2097 mmp_s = current_fs->mmp_buf;
2099 retval = ext2fs_mmp_read(current_fs, current_fs->super->s_mmp_block,
2100 current_fs->mmp_buf);
2102 com_err(argv[0], retval, "reading MMP block.\n");
2106 t = mmp_s->mmp_time;
2107 fprintf(stdout, "block_number: %llu\n", current_fs->super->s_mmp_block);
2108 fprintf(stdout, "update_interval: %d\n",
2109 current_fs->super->s_mmp_update_interval);
2110 fprintf(stdout, "check_interval: %d\n", mmp_s->mmp_check_interval);
2111 fprintf(stdout, "sequence: %08x\n", mmp_s->mmp_seq);
2112 fprintf(stdout, "time: %lld -- %s", mmp_s->mmp_time, ctime(&t));
2113 fprintf(stdout, "node_name: %s\n", mmp_s->mmp_nodename);
2114 fprintf(stdout, "device_name: %s\n", mmp_s->mmp_bdevname);
2115 fprintf(stdout, "magic: 0x%x\n", mmp_s->mmp_magic);
2116 fprintf(stdout, "checksum: 0x%08x\n", mmp_s->mmp_checksum);
2118 fprintf(stdout, "MMP is unsupported, please recompile with "
2123 static int source_file(const char *cmd_file, int ss_idx)
2128 int exit_status = 0;
2131 if (strcmp(cmd_file, "-") == 0)
2134 f = fopen(cmd_file, "r");
2142 setbuf(stdout, NULL);
2143 setbuf(stderr, NULL);
2145 if (fgets(buf, sizeof(buf), f) == NULL)
2147 cp = strchr(buf, '\n');
2150 cp = strchr(buf, '\r');
2153 printf("debugfs: %s\n", buf);
2154 retval = ss_execute_line(ss_idx, buf);
2156 ss_perror(ss_idx, retval, buf);
2165 int main(int argc, char **argv)
2169 "Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] "
2170 "[-R request] [-V] ["
2176 int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS;
2178 int exit_status = 0;
2180 blk64_t superblock = 0;
2181 blk64_t blocksize = 0;
2182 int catastrophic = 0;
2183 char *data_filename = 0;
2185 const char *opt_string = "nicR:f:b:s:Vd:D";
2187 const char *opt_string = "niwcR:f:b:s:Vd:D";
2190 if (debug_prog_name == 0)
2192 debug_prog_name = "rdebugfs";
2194 debug_prog_name = "debugfs";
2196 add_error_table(&et_ext2_error_table);
2197 fprintf (stderr, "%s %s (%s)\n", debug_prog_name,
2198 E2FSPROGS_VERSION, E2FSPROGS_DATE);
2200 while ((c = getopt (argc, argv, opt_string)) != EOF) {
2209 data_filename = optarg;
2212 open_flags |= EXT2_FLAG_IMAGE_FILE;
2215 open_flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
2219 open_flags |= EXT2_FLAG_RW;
2223 open_flags |= EXT2_FLAG_DIRECT_IO;
2226 blocksize = parse_ulong(optarg, argv[0],
2230 retval = strtoblk(argv[0], optarg,
2231 "superblock block number",
2240 /* Print version number and exit */
2241 fprintf(stderr, "\tUsing %s\n",
2242 error_message(EXT2_ET_BASE));
2245 com_err(argv[0], 0, usage, debug_prog_name);
2250 open_filesystem(argv[optind], open_flags,
2251 superblock, blocksize, catastrophic,
2254 sci_idx = ss_create_invocation(debug_prog_name, "0.0", (char *) NULL,
2255 &debug_cmds, &retval);
2257 ss_perror(sci_idx, retval, "creating invocation");
2260 ss_get_readline(sci_idx);
2262 (void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval);
2264 ss_perror(sci_idx, retval, "adding standard requests");
2268 ss_add_request_table (sci_idx, extra_cmds, 1, &retval);
2270 ss_perror(sci_idx, retval, "adding extra requests");
2275 retval = ss_execute_line(sci_idx, request);
2277 ss_perror(sci_idx, retval, request);
2280 } else if (cmd_file) {
2281 exit_status = source_file(cmd_file, sci_idx);
2286 ss_delete_invocation(sci_idx);
2291 remove_error_table(&et_ext2_error_table);