Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 1 | /* |
| 2 | * extent_inode.c --- direct extent tree manipulation |
| 3 | * |
| 4 | * Copyright (C) 2012 Theodore Ts'o. This file may be redistributed |
| 5 | * under the terms of the GNU Public License. |
| 6 | */ |
| 7 | |
| 8 | #include "config.h" |
| 9 | #include <stdio.h> |
| 10 | #include <unistd.h> |
| 11 | #include <stdlib.h> |
| 12 | #include <ctype.h> |
| 13 | #include <string.h> |
| 14 | #include <time.h> |
| 15 | #ifdef HAVE_ERRNO_H |
| 16 | #include <errno.h> |
| 17 | #endif |
| 18 | #include <sys/types.h> |
| 19 | #ifdef HAVE_GETOPT_H |
| 20 | #include <getopt.h> |
| 21 | #else |
| 22 | extern int optind; |
| 23 | extern char *optarg; |
| 24 | #endif |
| 25 | |
| 26 | #include "debugfs.h" |
| 27 | |
Theodore Ts'o | f404167 | 2013-12-16 18:56:36 -0500 | [diff] [blame] | 28 | static ext2_ino_t current_ino; |
| 29 | static ext2_extent_handle_t current_handle; |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 30 | |
| 31 | static void dbg_print_extent(char *desc, struct ext2fs_extent *extent) |
| 32 | { |
| 33 | if (desc) |
| 34 | printf("%s: ", desc); |
| 35 | printf("extent: lblk %llu--%llu, len %u, pblk %llu, flags: ", |
| 36 | extent->e_lblk, extent->e_lblk + extent->e_len - 1, |
| 37 | extent->e_len, extent->e_pblk); |
| 38 | if (extent->e_flags & EXT2_EXTENT_FLAGS_LEAF) |
| 39 | fputs("LEAF ", stdout); |
| 40 | if (extent->e_flags & EXT2_EXTENT_FLAGS_UNINIT) |
| 41 | fputs("UNINIT ", stdout); |
| 42 | if (extent->e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT) |
| 43 | fputs("2ND_VISIT ", stdout); |
| 44 | if (!extent->e_flags) |
| 45 | fputs("(none)", stdout); |
| 46 | fputc('\n', stdout); |
| 47 | |
| 48 | } |
| 49 | |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 50 | static int common_extent_args_process(int argc, char *argv[], int min_argc, |
| 51 | int max_argc, const char *cmd, |
| 52 | const char *usage, int flags) |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 53 | { |
| 54 | if (common_args_process(argc, argv, min_argc, max_argc, cmd, |
| 55 | usage, flags)) |
| 56 | return 1; |
| 57 | |
| 58 | if (!current_handle) { |
| 59 | com_err(cmd, 0, "Extent handle not open"); |
| 60 | return 1; |
| 61 | } |
| 62 | return 0; |
| 63 | } |
| 64 | |
| 65 | static char *orig_prompt, *extent_prompt; |
| 66 | |
| 67 | void do_extent_open(int argc, char *argv[]) |
| 68 | { |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 69 | ext2_ino_t inode; |
Theodore Ts'o | e350773 | 2013-01-01 13:28:27 -0500 | [diff] [blame] | 70 | int ret; |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 71 | errcode_t retval; |
| 72 | char *cp; |
| 73 | |
| 74 | if (check_fs_open(argv[0])) |
| 75 | return; |
| 76 | |
| 77 | if (argc == 1) { |
| 78 | if (current_ino) |
| 79 | printf("Current inode is %d\n", current_ino); |
| 80 | else |
| 81 | printf("No current inode\n"); |
| 82 | return; |
| 83 | } |
| 84 | |
| 85 | if (common_inode_args_process(argc, argv, &inode, 0)) |
| 86 | return; |
| 87 | |
| 88 | current_ino = 0; |
| 89 | |
| 90 | retval = ext2fs_extent_open(current_fs, inode, ¤t_handle); |
| 91 | if (retval) { |
| 92 | com_err(argv[1], retval, "while opening extent handle"); |
| 93 | return; |
| 94 | } |
| 95 | |
| 96 | current_ino = inode; |
| 97 | |
| 98 | orig_prompt = ss_get_prompt(sci_idx); |
| 99 | extent_prompt = malloc(strlen(orig_prompt) + 32); |
Tobias Stoeckmann | 9f8d9a2 | 2015-07-20 10:52:28 -0400 | [diff] [blame] | 100 | if (extent_prompt == NULL) { |
| 101 | com_err(argv[1], retval, "out of memory"); |
| 102 | return; |
| 103 | } |
| 104 | |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 105 | strcpy(extent_prompt, orig_prompt); |
| 106 | cp = strchr(extent_prompt, ':'); |
| 107 | if (cp) |
| 108 | *cp = 0; |
| 109 | sprintf(extent_prompt + strlen(extent_prompt), " (extent ino %d): ", |
| 110 | current_ino); |
| 111 | ss_add_request_table(sci_idx, &extent_cmds, 1, &ret); |
| 112 | ss_set_prompt(sci_idx, extent_prompt); |
| 113 | return; |
| 114 | } |
| 115 | |
| 116 | void do_extent_close(int argc, char *argv[]) |
| 117 | { |
| 118 | int ret; |
| 119 | |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 120 | if (common_args_process(argc, argv, 1, 1, |
| 121 | "extent_close", "", 0)) |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 122 | return; |
| 123 | |
| 124 | if (!current_handle) { |
| 125 | com_err(argv[0], 0, "Extent handle not open"); |
| 126 | return; |
| 127 | } |
| 128 | |
| 129 | ext2fs_extent_free(current_handle); |
| 130 | current_handle = NULL; |
| 131 | current_ino = 0; |
| 132 | ss_delete_request_table(sci_idx, &extent_cmds, &ret); |
| 133 | ss_set_prompt(sci_idx, orig_prompt); |
| 134 | free(extent_prompt); |
| 135 | extent_prompt = NULL; |
| 136 | } |
| 137 | |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 138 | static void generic_goto_node(const char *my_name, int argc, |
| 139 | char **argv, int op) |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 140 | { |
| 141 | struct ext2fs_extent extent; |
| 142 | errcode_t retval; |
| 143 | |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 144 | if (my_name && common_args_process(argc, argv, 1, 1, |
| 145 | my_name, "", 0)) |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 146 | return; |
| 147 | |
| 148 | if (!current_handle) { |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 149 | com_err(argv[0], 0, "Extent handle not open"); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 150 | return; |
| 151 | } |
| 152 | |
| 153 | retval = ext2fs_extent_get(current_handle, op, &extent); |
| 154 | if (retval) { |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 155 | com_err(argv[0], retval, 0); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 156 | return; |
| 157 | } |
| 158 | dbg_print_extent(0, &extent); |
| 159 | } |
| 160 | |
| 161 | void do_current_node(int argc, char *argv[]) |
| 162 | { |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 163 | generic_goto_node("current_node", argc, argv, EXT2_EXTENT_CURRENT); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 164 | } |
| 165 | |
| 166 | void do_root_node(int argc, char *argv[]) |
| 167 | { |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 168 | generic_goto_node("root_node", argc, argv, EXT2_EXTENT_ROOT); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 169 | } |
| 170 | |
| 171 | void do_last_leaf(int argc, char *argv[]) |
| 172 | { |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 173 | generic_goto_node("last_leaf", argc, argv, EXT2_EXTENT_LAST_LEAF); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 174 | } |
| 175 | |
| 176 | void do_first_sib(int argc, char *argv[]) |
| 177 | { |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 178 | generic_goto_node("first_sib", argc, argv, EXT2_EXTENT_FIRST_SIB); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 179 | } |
| 180 | |
| 181 | void do_last_sib(int argc, char *argv[]) |
| 182 | { |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 183 | generic_goto_node("next_sib", argc, argv, EXT2_EXTENT_LAST_SIB); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 184 | } |
| 185 | |
| 186 | void do_next_sib(int argc, char *argv[]) |
| 187 | { |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 188 | generic_goto_node("next_sib", argc, argv, EXT2_EXTENT_NEXT_SIB); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 189 | } |
| 190 | |
| 191 | void do_prev_sib(int argc, char *argv[]) |
| 192 | { |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 193 | generic_goto_node("prev_sib", argc, argv, EXT2_EXTENT_PREV_SIB); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 194 | } |
| 195 | |
| 196 | void do_next_leaf(int argc, char *argv[]) |
| 197 | { |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 198 | generic_goto_node("next_leaf", argc, argv, EXT2_EXTENT_NEXT_LEAF); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 199 | } |
| 200 | |
| 201 | void do_prev_leaf(int argc, char *argv[]) |
| 202 | { |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 203 | generic_goto_node("prev_leaf", argc, argv, EXT2_EXTENT_PREV_LEAF); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 204 | } |
| 205 | |
| 206 | void do_next(int argc, char *argv[]) |
| 207 | { |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 208 | generic_goto_node("next", argc, argv, EXT2_EXTENT_NEXT); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 209 | } |
| 210 | |
| 211 | void do_prev(int argc, char *argv[]) |
| 212 | { |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 213 | generic_goto_node("prev", argc, argv, EXT2_EXTENT_PREV); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 214 | } |
| 215 | |
| 216 | void do_up(int argc, char *argv[]) |
| 217 | { |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 218 | generic_goto_node("up", argc, argv, EXT2_EXTENT_UP); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 219 | } |
| 220 | |
| 221 | void do_down(int argc, char *argv[]) |
| 222 | { |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 223 | generic_goto_node("down", argc, argv, EXT2_EXTENT_DOWN); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 224 | } |
| 225 | |
| 226 | void do_delete_node(int argc, char *argv[]) |
| 227 | { |
| 228 | struct ext2fs_extent extent; |
| 229 | errcode_t retval; |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 230 | |
| 231 | if (common_extent_args_process(argc, argv, 1, 1, "delete_node", |
| 232 | "", CHECK_FS_RW | CHECK_FS_BITMAPS)) |
| 233 | return; |
| 234 | |
| 235 | retval = ext2fs_extent_delete(current_handle, 0); |
| 236 | if (retval) { |
| 237 | com_err(argv[0], retval, 0); |
| 238 | return; |
| 239 | } |
| 240 | |
| 241 | retval = ext2fs_extent_get(current_handle, EXT2_EXTENT_CURRENT, |
| 242 | &extent); |
| 243 | if (retval) |
| 244 | return; |
| 245 | dbg_print_extent(0, &extent); |
| 246 | } |
| 247 | |
| 248 | void do_replace_node(int argc, char *argv[]) |
| 249 | { |
| 250 | const char *usage = "[--uninit] <lblk> <len> <pblk>"; |
| 251 | errcode_t retval; |
| 252 | struct ext2fs_extent extent; |
| 253 | int err; |
| 254 | |
| 255 | if (common_extent_args_process(argc, argv, 3, 5, "replace_node", |
| 256 | usage, CHECK_FS_RW | CHECK_FS_BITMAPS)) |
| 257 | return; |
| 258 | |
| 259 | extent.e_flags = 0; |
| 260 | |
| 261 | if (!strcmp(argv[1], "--uninit")) { |
| 262 | argc--; |
| 263 | argv++; |
| 264 | extent.e_flags |= EXT2_EXTENT_FLAGS_UNINIT; |
| 265 | } |
| 266 | |
| 267 | if (argc != 4) { |
| 268 | fprintf(stderr, "Usage: %s %s\n", argv[0], usage); |
| 269 | return; |
| 270 | } |
| 271 | |
Eric Whitney | a25fffa | 2013-12-30 16:43:46 -0500 | [diff] [blame] | 272 | err = strtoblk(argv[0], argv[1], "logical block", &extent.e_lblk); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 273 | if (err) |
| 274 | return; |
| 275 | |
Eric Whitney | a25fffa | 2013-12-30 16:43:46 -0500 | [diff] [blame] | 276 | extent.e_len = parse_ulong(argv[2], argv[0], "length", &err); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 277 | if (err) |
| 278 | return; |
| 279 | |
Eric Whitney | a25fffa | 2013-12-30 16:43:46 -0500 | [diff] [blame] | 280 | err = strtoblk(argv[0], argv[3], "physical block", &extent.e_pblk); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 281 | if (err) |
| 282 | return; |
| 283 | |
| 284 | retval = ext2fs_extent_replace(current_handle, 0, &extent); |
| 285 | if (retval) { |
| 286 | com_err(argv[0], retval, 0); |
| 287 | return; |
| 288 | } |
Theodore Ts'o | 16b1fcf | 2013-03-13 14:19:16 -0400 | [diff] [blame] | 289 | generic_goto_node(NULL, argc, argv, EXT2_EXTENT_CURRENT); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 290 | } |
| 291 | |
| 292 | void do_split_node(int argc, char *argv[]) |
| 293 | { |
| 294 | errcode_t retval; |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 295 | |
| 296 | if (common_extent_args_process(argc, argv, 1, 1, "split_node", |
| 297 | "", CHECK_FS_RW | CHECK_FS_BITMAPS)) |
| 298 | return; |
| 299 | |
| 300 | retval = ext2fs_extent_node_split(current_handle); |
| 301 | if (retval) { |
| 302 | com_err(argv[0], retval, 0); |
| 303 | return; |
| 304 | } |
Theodore Ts'o | 16b1fcf | 2013-03-13 14:19:16 -0400 | [diff] [blame] | 305 | generic_goto_node(NULL, argc, argv, EXT2_EXTENT_CURRENT); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 306 | } |
| 307 | |
| 308 | void do_insert_node(int argc, char *argv[]) |
| 309 | { |
| 310 | const char *usage = "[--after] [--uninit] <lblk> <len> <pblk>"; |
| 311 | errcode_t retval; |
| 312 | struct ext2fs_extent extent; |
| 313 | char *cmd; |
| 314 | int err; |
| 315 | int flags = 0; |
| 316 | |
| 317 | if (common_extent_args_process(argc, argv, 3, 6, "insert_node", |
| 318 | usage, CHECK_FS_RW | CHECK_FS_BITMAPS)) |
| 319 | return; |
| 320 | |
| 321 | cmd = argv[0]; |
| 322 | |
| 323 | extent.e_flags = 0; |
| 324 | |
| 325 | while (argc > 2) { |
| 326 | if (!strcmp(argv[1], "--after")) { |
| 327 | argc--; |
| 328 | argv++; |
| 329 | flags |= EXT2_EXTENT_INSERT_AFTER; |
| 330 | continue; |
| 331 | } |
| 332 | if (!strcmp(argv[1], "--uninit")) { |
| 333 | argc--; |
| 334 | argv++; |
| 335 | extent.e_flags |= EXT2_EXTENT_FLAGS_UNINIT; |
| 336 | continue; |
| 337 | } |
| 338 | break; |
| 339 | } |
| 340 | |
| 341 | if (argc != 4) { |
| 342 | fprintf(stderr, "usage: %s %s\n", cmd, usage); |
| 343 | return; |
| 344 | } |
| 345 | |
Eric Whitney | a25fffa | 2013-12-30 16:43:46 -0500 | [diff] [blame] | 346 | err = strtoblk(cmd, argv[1], "logical block", &extent.e_lblk); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 347 | if (err) |
| 348 | return; |
| 349 | |
Eric Whitney | a25fffa | 2013-12-30 16:43:46 -0500 | [diff] [blame] | 350 | extent.e_len = parse_ulong(argv[2], cmd, "length", &err); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 351 | if (err) |
| 352 | return; |
| 353 | |
Eric Whitney | a25fffa | 2013-12-30 16:43:46 -0500 | [diff] [blame] | 354 | err = strtoblk(cmd, argv[3], "physical block", &extent.e_pblk); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 355 | if (err) |
| 356 | return; |
| 357 | |
| 358 | retval = ext2fs_extent_insert(current_handle, flags, &extent); |
| 359 | if (retval) { |
| 360 | com_err(cmd, retval, 0); |
| 361 | return; |
| 362 | } |
Theodore Ts'o | 16b1fcf | 2013-03-13 14:19:16 -0400 | [diff] [blame] | 363 | generic_goto_node(NULL, argc, argv, EXT2_EXTENT_CURRENT); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 364 | } |
| 365 | |
| 366 | void do_set_bmap(int argc, char **argv) |
| 367 | { |
| 368 | const char *usage = "[--uninit] <lblk> <pblk>"; |
| 369 | struct ext2fs_extent extent; |
| 370 | errcode_t retval; |
Darrick J. Wong | fe56188 | 2013-12-12 12:49:14 -0500 | [diff] [blame] | 371 | blk64_t logical; |
| 372 | blk64_t physical; |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 373 | char *cmd = argv[0]; |
| 374 | int flags = 0; |
| 375 | int err; |
| 376 | |
| 377 | if (common_extent_args_process(argc, argv, 3, 5, "set_bmap", |
| 378 | usage, CHECK_FS_RW | CHECK_FS_BITMAPS)) |
| 379 | return; |
| 380 | |
| 381 | if (argc > 2 && !strcmp(argv[1], "--uninit")) { |
| 382 | argc--; |
| 383 | argv++; |
| 384 | flags |= EXT2_EXTENT_SET_BMAP_UNINIT; |
| 385 | } |
| 386 | |
| 387 | if (argc != 3) { |
| 388 | fprintf(stderr, "Usage: %s %s\n", cmd, usage); |
| 389 | return; |
| 390 | } |
| 391 | |
Eric Whitney | a25fffa | 2013-12-30 16:43:46 -0500 | [diff] [blame] | 392 | err = strtoblk(cmd, argv[1], "logical block", &logical); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 393 | if (err) |
| 394 | return; |
| 395 | |
Eric Whitney | a25fffa | 2013-12-30 16:43:46 -0500 | [diff] [blame] | 396 | err = strtoblk(cmd, argv[2], "physical block", &physical); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 397 | if (err) |
| 398 | return; |
| 399 | |
| 400 | retval = ext2fs_extent_set_bmap(current_handle, logical, |
Darrick J. Wong | fe56188 | 2013-12-12 12:49:14 -0500 | [diff] [blame] | 401 | physical, flags); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 402 | if (retval) { |
| 403 | com_err(cmd, retval, 0); |
| 404 | return; |
| 405 | } |
| 406 | |
| 407 | retval = ext2fs_extent_get(current_handle, EXT2_EXTENT_CURRENT, |
| 408 | &extent); |
| 409 | if (retval) |
| 410 | return; |
| 411 | dbg_print_extent(0, &extent); |
| 412 | } |
| 413 | |
| 414 | void do_print_all(int argc, char **argv) |
| 415 | { |
| 416 | const char *usage = "[--leaf-only|--reverse|--reverse-leaf]"; |
| 417 | struct ext2fs_extent extent; |
| 418 | errcode_t retval; |
| 419 | errcode_t end_err = EXT2_ET_EXTENT_NO_NEXT; |
| 420 | int op = EXT2_EXTENT_NEXT; |
| 421 | int first_op = EXT2_EXTENT_ROOT; |
| 422 | |
| 423 | |
| 424 | if (common_extent_args_process(argc, argv, 1, 2, "print_all", |
| 425 | usage, 0)) |
| 426 | return; |
| 427 | |
| 428 | if (argc == 2) { |
| 429 | if (!strcmp(argv[1], "--leaf-only")) |
| 430 | op = EXT2_EXTENT_NEXT_LEAF; |
| 431 | else if (!strcmp(argv[1], "--reverse")) { |
| 432 | op = EXT2_EXTENT_PREV; |
| 433 | first_op = EXT2_EXTENT_LAST_LEAF; |
| 434 | end_err = EXT2_ET_EXTENT_NO_PREV; |
| 435 | } else if (!strcmp(argv[1], "--reverse-leaf")) { |
| 436 | op = EXT2_EXTENT_PREV_LEAF; |
| 437 | first_op = EXT2_EXTENT_LAST_LEAF; |
| 438 | end_err = EXT2_ET_EXTENT_NO_PREV; |
| 439 | } else { |
| 440 | fprintf(stderr, "Usage: %s %s\n", argv[0], usage); |
| 441 | return; |
| 442 | } |
| 443 | } |
| 444 | |
| 445 | retval = ext2fs_extent_get(current_handle, first_op, &extent); |
| 446 | if (retval) { |
| 447 | com_err(argv[0], retval, 0); |
| 448 | return; |
| 449 | } |
| 450 | dbg_print_extent(0, &extent); |
| 451 | |
| 452 | while (1) { |
| 453 | retval = ext2fs_extent_get(current_handle, op, &extent); |
| 454 | if (retval == end_err) |
| 455 | break; |
| 456 | |
| 457 | if (retval) { |
| 458 | com_err(argv[0], retval, 0); |
| 459 | return; |
| 460 | } |
| 461 | dbg_print_extent(0, &extent); |
| 462 | } |
| 463 | } |
| 464 | |
| 465 | void do_fix_parents(int argc, char **argv) |
| 466 | { |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 467 | errcode_t retval; |
| 468 | |
| 469 | if (common_extent_args_process(argc, argv, 1, 1, "fix_parents", "", |
| 470 | CHECK_FS_RW)) |
| 471 | return; |
| 472 | |
| 473 | retval = ext2fs_extent_fix_parents(current_handle); |
| 474 | if (retval) { |
| 475 | com_err(argv[0], retval, 0); |
| 476 | return; |
| 477 | } |
| 478 | } |
| 479 | |
| 480 | void do_info(int argc, char **argv) |
| 481 | { |
| 482 | struct ext2fs_extent extent; |
| 483 | struct ext2_extent_info info; |
| 484 | errcode_t retval; |
| 485 | |
| 486 | if (common_extent_args_process(argc, argv, 1, 1, "info", "", 0)) |
| 487 | return; |
| 488 | |
| 489 | retval = ext2fs_extent_get_info(current_handle, &info); |
| 490 | if (retval) { |
| 491 | com_err(argv[0], retval, 0); |
| 492 | return; |
| 493 | } |
| 494 | |
| 495 | retval = ext2fs_extent_get(current_handle, |
| 496 | EXT2_EXTENT_CURRENT, &extent); |
| 497 | if (retval) { |
| 498 | com_err(argv[0], retval, 0); |
| 499 | return; |
| 500 | } |
| 501 | |
| 502 | dbg_print_extent(0, &extent); |
| 503 | |
| 504 | printf("Current handle location: %d/%d (max: %d, bytes %d), level %d/%d\n", |
| 505 | info.curr_entry, info.num_entries, info.max_entries, |
| 506 | info.bytes_avail, info.curr_level, info.max_depth); |
| 507 | printf("\tmax lblk: %llu, max pblk: %llu\n", info.max_lblk, |
| 508 | info.max_pblk); |
| 509 | printf("\tmax_len: %u, max_uninit_len: %u\n", info.max_len, |
| 510 | info.max_uninit_len); |
| 511 | } |
| 512 | |
| 513 | void do_goto_block(int argc, char **argv) |
| 514 | { |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 515 | errcode_t retval; |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 516 | blk64_t blk; |
| 517 | int level = 0, err; |
| 518 | |
| 519 | if (common_extent_args_process(argc, argv, 2, 3, "goto_block", |
| 520 | "block [level]", 0)) |
| 521 | return; |
| 522 | |
Eric Whitney | a25fffa | 2013-12-30 16:43:46 -0500 | [diff] [blame] | 523 | if (strtoblk(argv[0], argv[1], NULL, &blk)) |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 524 | return; |
| 525 | |
| 526 | if (argc == 3) { |
| 527 | level = parse_ulong(argv[2], argv[0], "level", &err); |
| 528 | if (err) |
| 529 | return; |
| 530 | } |
| 531 | |
| 532 | retval = ext2fs_extent_goto2(current_handle, level, (blk64_t) blk); |
| 533 | |
| 534 | if (retval) { |
| 535 | com_err(argv[0], retval, |
| 536 | "while trying to go to block %llu, level %d", |
| 537 | (unsigned long long) blk, level); |
| 538 | return; |
| 539 | } |
| 540 | |
Theodore Ts'o | 9e85208 | 2013-01-14 14:41:46 -0500 | [diff] [blame] | 541 | generic_goto_node(NULL, argc, argv, EXT2_EXTENT_CURRENT); |
Theodore Ts'o | bee7b67 | 2012-12-22 18:50:33 -0500 | [diff] [blame] | 542 | } |