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->inode_link_info) {
83 ext2fs_free_icount(ctx->inode_link_info);
84 ctx->inode_link_info = 0;
86 if (ctx->journal_io) {
87 if (ctx->fs && ctx->fs->io != ctx->journal_io)
88 io_channel_close(ctx->journal_io);
91 if (ctx->fs && ctx->fs->dblist) {
92 ext2fs_free_dblist(ctx->fs->dblist);
95 e2fsck_free_dir_info(ctx);
96 e2fsck_free_dx_dir_info(ctx);
98 ea_refcount_free(ctx->refcount);
101 if (ctx->refcount_extra) {
102 ea_refcount_free(ctx->refcount_extra);
103 ctx->refcount_extra = 0;
105 if (ctx->ea_block_quota_blocks) {
106 ea_refcount_free(ctx->ea_block_quota_blocks);
107 ctx->ea_block_quota_blocks = 0;
109 if (ctx->ea_block_quota_inodes) {
110 ea_refcount_free(ctx->ea_block_quota_inodes);
111 ctx->ea_block_quota_inodes = 0;
113 if (ctx->ea_inode_refs) {
114 ea_refcount_free(ctx->ea_inode_refs);
115 ctx->ea_inode_refs = 0;
117 if (ctx->block_dup_map) {
118 ext2fs_free_block_bitmap(ctx->block_dup_map);
119 ctx->block_dup_map = 0;
121 if (ctx->block_ea_map) {
122 ext2fs_free_block_bitmap(ctx->block_ea_map);
123 ctx->block_ea_map = 0;
125 if (ctx->block_metadata_map) {
126 ext2fs_free_block_bitmap(ctx->block_metadata_map);
127 ctx->block_metadata_map = 0;
129 if (ctx->inode_bb_map) {
130 ext2fs_free_inode_bitmap(ctx->inode_bb_map);
131 ctx->inode_bb_map = 0;
133 if (ctx->inode_bad_map) {
134 ext2fs_free_inode_bitmap(ctx->inode_bad_map);
135 ctx->inode_bad_map = 0;
137 if (ctx->inode_imagic_map) {
138 ext2fs_free_inode_bitmap(ctx->inode_imagic_map);
139 ctx->inode_imagic_map = 0;
141 if (ctx->dirs_to_hash) {
142 ext2fs_u32_list_free(ctx->dirs_to_hash);
143 ctx->dirs_to_hash = 0;
145 destroy_encrypted_file_info(ctx);
148 * Clear the array of invalid meta-data flags
150 if (ctx->invalid_inode_bitmap_flag) {
151 ext2fs_free_mem(&ctx->invalid_inode_bitmap_flag);
152 ctx->invalid_inode_bitmap_flag = 0;
154 if (ctx->invalid_block_bitmap_flag) {
155 ext2fs_free_mem(&ctx->invalid_block_bitmap_flag);
156 ctx->invalid_block_bitmap_flag = 0;
158 if (ctx->invalid_inode_table_flag) {
159 ext2fs_free_mem(&ctx->invalid_inode_table_flag);
160 ctx->invalid_inode_table_flag = 0;
162 if (ctx->casefolded_dirs) {
163 ext2fs_u32_list_free(ctx->casefolded_dirs);
164 ctx->casefolded_dirs = 0;
166 if (ctx->inode_count) {
167 ext2fs_free_icount(ctx->inode_count);
168 ctx->inode_count = 0;
171 /* Clear statistic counters */
172 ctx->fs_directory_count = 0;
173 ctx->fs_regular_count = 0;
174 ctx->fs_blockdev_count = 0;
175 ctx->fs_chardev_count = 0;
176 ctx->fs_links_count = 0;
177 ctx->fs_symlinks_count = 0;
178 ctx->fs_fast_symlinks_count = 0;
179 ctx->fs_fifo_count = 0;
180 ctx->fs_total_count = 0;
181 ctx->fs_badblocks_count = 0;
182 ctx->fs_sockets_count = 0;
183 ctx->fs_ind_count = 0;
184 ctx->fs_dind_count = 0;
185 ctx->fs_tind_count = 0;
186 ctx->fs_fragmented = 0;
187 ctx->fs_fragmented_dir = 0;
188 ctx->large_files = 0;
191 for (i=0; i < MAX_EXTENT_DEPTH_COUNT; i++)
192 ctx->extent_depth_count[i] = 0;
194 /* Reset the superblock to the user's requested value */
195 ctx->superblock = ctx->use_superblock;
200 void e2fsck_free_context(e2fsck_t ctx)
205 e2fsck_reset_context(ctx);
207 blkid_put_cache(ctx->blkid);
210 profile_release(ctx->profile);
212 if (ctx->filesystem_name)
213 ext2fs_free_mem(&ctx->filesystem_name);
215 if (ctx->device_name)
216 ext2fs_free_mem(&ctx->device_name);
224 if (ctx->problem_log_fn)
225 free(ctx->problem_log_fn);
227 if (ctx->problem_logf) {
228 fputs("</problem_log>\n", ctx->problem_logf);
229 fclose(ctx->problem_logf);
231 ext2fs_free_mem(&ctx);
235 * This function runs through the e2fsck passes and calls them all,
236 * returning restart, abort, or cancel as necessary...
238 typedef void (*pass_t)(e2fsck_t ctx);
240 static pass_t e2fsck_passes[] = {
241 e2fsck_pass1, e2fsck_pass1e, e2fsck_pass2, e2fsck_pass3,
242 e2fsck_pass4, e2fsck_pass5, 0 };
244 int e2fsck_run(e2fsck_t ctx)
250 if (setjmp(ctx->abort_loc)) {
251 ctx->flags &= ~E2F_FLAG_SETJMP_OK;
252 return (ctx->flags & E2F_FLAG_RUN_RETURN);
254 ctx->flags |= E2F_FLAG_SETJMP_OK;
257 for (i=0; (e2fsck_pass = e2fsck_passes[i]); i++) {
258 if (ctx->flags & E2F_FLAG_RUN_RETURN)
260 if (e2fsck_mmp_update(ctx->fs))
264 (void) (ctx->progress)(ctx, 0, 0, 0);
266 ctx->flags &= ~E2F_FLAG_SETJMP_OK;
268 if (ctx->flags & E2F_FLAG_RUN_RETURN)
269 return (ctx->flags & E2F_FLAG_RUN_RETURN);