2 * e2fsck.c - a consistency checker for the new extended file system.
4 * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o.
7 * This file may be redistributed under the terms of the GNU Public
19 * This function allocates an e2fsck context
21 errcode_t e2fsck_allocate_context(e2fsck_t *ret)
27 retval = ext2fs_get_mem(sizeof(struct e2fsck_struct), &context);
31 memset(context, 0, sizeof(struct e2fsck_struct));
33 context->process_inode_size = 256;
34 context->ext_attr_ver = 2;
35 context->blocks_per_page = 1;
36 context->htree_slack_percentage = 255;
38 time_env = getenv("E2FSCK_TIME");
40 context->now = (time_t) strtoull(time_env, NULL, 0);
42 context->now = time(0);
43 if (context->now < 1262322000) /* January 1 2010 */
44 context->flags |= E2F_FLAG_TIME_INSANE;
52 * This function resets an e2fsck context; it is called when e2fsck
53 * needs to be restarted.
55 errcode_t e2fsck_reset_context(e2fsck_t ctx)
59 ctx->flags &= E2F_RESET_FLAGS;
60 ctx->lost_and_found = 0;
61 ctx->bad_lost_and_found = 0;
62 if (ctx->inode_used_map) {
63 ext2fs_free_inode_bitmap(ctx->inode_used_map);
64 ctx->inode_used_map = 0;
66 if (ctx->inode_dir_map) {
67 ext2fs_free_inode_bitmap(ctx->inode_dir_map);
68 ctx->inode_dir_map = 0;
70 if (ctx->inode_reg_map) {
71 ext2fs_free_inode_bitmap(ctx->inode_reg_map);
72 ctx->inode_reg_map = 0;
74 if (ctx->block_found_map) {
75 ext2fs_free_block_bitmap(ctx->block_found_map);
76 ctx->block_found_map = 0;
78 if (ctx->inode_casefold_map) {
79 ext2fs_free_block_bitmap(ctx->inode_casefold_map);
80 ctx->inode_casefold_map = 0;
82 if (ctx->inodes_to_rebuild) {
83 ext2fs_free_inode_bitmap(ctx->inodes_to_rebuild);
84 ctx->inodes_to_rebuild = 0;
86 if (ctx->inode_link_info) {
87 ext2fs_free_icount(ctx->inode_link_info);
88 ctx->inode_link_info = 0;
90 if (ctx->journal_io) {
91 if (ctx->fs && ctx->fs->io != ctx->journal_io)
92 io_channel_close(ctx->journal_io);
95 if (ctx->fs && ctx->fs->dblist) {
96 ext2fs_free_dblist(ctx->fs->dblist);
99 e2fsck_free_dir_info(ctx);
100 e2fsck_free_dx_dir_info(ctx);
102 ea_refcount_free(ctx->refcount);
105 if (ctx->refcount_extra) {
106 ea_refcount_free(ctx->refcount_extra);
107 ctx->refcount_extra = 0;
109 if (ctx->refcount_orig) {
110 ea_refcount_free(ctx->refcount_orig);
111 ctx->refcount_orig = 0;
113 if (ctx->ea_block_quota_blocks) {
114 ea_refcount_free(ctx->ea_block_quota_blocks);
115 ctx->ea_block_quota_blocks = 0;
117 if (ctx->ea_block_quota_inodes) {
118 ea_refcount_free(ctx->ea_block_quota_inodes);
119 ctx->ea_block_quota_inodes = 0;
121 if (ctx->ea_inode_refs) {
122 ea_refcount_free(ctx->ea_inode_refs);
123 ctx->ea_inode_refs = 0;
125 if (ctx->block_dup_map) {
126 ext2fs_free_block_bitmap(ctx->block_dup_map);
127 ctx->block_dup_map = 0;
129 if (ctx->block_ea_map) {
130 ext2fs_free_block_bitmap(ctx->block_ea_map);
131 ctx->block_ea_map = 0;
133 if (ctx->block_metadata_map) {
134 ext2fs_free_block_bitmap(ctx->block_metadata_map);
135 ctx->block_metadata_map = 0;
137 if (ctx->inode_bb_map) {
138 ext2fs_free_inode_bitmap(ctx->inode_bb_map);
139 ctx->inode_bb_map = 0;
141 if (ctx->inode_bad_map) {
142 ext2fs_free_inode_bitmap(ctx->inode_bad_map);
143 ctx->inode_bad_map = 0;
145 if (ctx->inode_imagic_map) {
146 ext2fs_free_inode_bitmap(ctx->inode_imagic_map);
147 ctx->inode_imagic_map = 0;
149 if (ctx->dirs_to_hash) {
150 ext2fs_u32_list_free(ctx->dirs_to_hash);
151 ctx->dirs_to_hash = 0;
153 destroy_encrypted_file_info(ctx);
156 * Clear the array of invalid meta-data flags
158 if (ctx->invalid_inode_bitmap_flag) {
159 ext2fs_free_mem(&ctx->invalid_inode_bitmap_flag);
160 ctx->invalid_inode_bitmap_flag = 0;
162 if (ctx->invalid_block_bitmap_flag) {
163 ext2fs_free_mem(&ctx->invalid_block_bitmap_flag);
164 ctx->invalid_block_bitmap_flag = 0;
166 if (ctx->invalid_inode_table_flag) {
167 ext2fs_free_mem(&ctx->invalid_inode_table_flag);
168 ctx->invalid_inode_table_flag = 0;
170 if (ctx->casefolded_dirs) {
171 ext2fs_u32_list_free(ctx->casefolded_dirs);
172 ctx->casefolded_dirs = 0;
174 if (ctx->inode_count) {
175 ext2fs_free_icount(ctx->inode_count);
176 ctx->inode_count = 0;
179 /* Clear statistic counters */
180 ctx->fs_directory_count = 0;
181 ctx->fs_regular_count = 0;
182 ctx->fs_blockdev_count = 0;
183 ctx->fs_chardev_count = 0;
184 ctx->fs_links_count = 0;
185 ctx->fs_symlinks_count = 0;
186 ctx->fs_fast_symlinks_count = 0;
187 ctx->fs_fifo_count = 0;
188 ctx->fs_total_count = 0;
189 ctx->fs_badblocks_count = 0;
190 ctx->fs_sockets_count = 0;
191 ctx->fs_ind_count = 0;
192 ctx->fs_dind_count = 0;
193 ctx->fs_tind_count = 0;
194 ctx->fs_fragmented = 0;
195 ctx->fs_fragmented_dir = 0;
196 ctx->large_files = 0;
199 ctx->fs_need_locking = 0;
202 for (i=0; i < MAX_EXTENT_DEPTH_COUNT; i++)
203 ctx->extent_depth_count[i] = 0;
205 /* Reset the superblock to the user's requested value */
206 ctx->superblock = ctx->use_superblock;
211 void e2fsck_free_context(e2fsck_t ctx)
216 e2fsck_reset_context(ctx);
218 blkid_put_cache(ctx->blkid);
221 profile_release(ctx->profile);
223 if (ctx->filesystem_name)
224 ext2fs_free_mem(&ctx->filesystem_name);
226 if (ctx->device_name)
227 ext2fs_free_mem(&ctx->device_name);
235 if (ctx->problem_log_fn)
236 free(ctx->problem_log_fn);
238 if (ctx->problem_logf) {
239 fputs("</problem_log>\n", ctx->problem_logf);
240 fclose(ctx->problem_logf);
242 ext2fs_free_mem(&ctx);
246 * This function runs through the e2fsck passes and calls them all,
247 * returning restart, abort, or cancel as necessary...
249 typedef void (*pass_t)(e2fsck_t ctx);
251 static pass_t e2fsck_passes[] = {
252 e2fsck_pass1, e2fsck_pass1e, e2fsck_pass2, e2fsck_pass3,
253 e2fsck_pass4, e2fsck_pass5, 0 };
255 int e2fsck_run(e2fsck_t ctx)
261 if (setjmp(ctx->abort_loc)) {
262 ctx->flags &= ~E2F_FLAG_SETJMP_OK;
263 return (ctx->flags & E2F_FLAG_RUN_RETURN);
265 ctx->flags |= E2F_FLAG_SETJMP_OK;
268 for (i=0; (e2fsck_pass = e2fsck_passes[i]); i++) {
269 if (ctx->flags & E2F_FLAG_RUN_RETURN)
271 if (e2fsck_mmp_update(ctx->fs))
275 (void) (ctx->progress)(ctx, 0, 0, 0);
277 ctx->flags &= ~E2F_FLAG_SETJMP_OK;
279 if (ctx->flags & E2F_FLAG_RUN_RETURN)
280 return (ctx->flags & E2F_FLAG_RUN_RETURN);