/*
* pass2.c --- check directory structure
- *
+ *
* Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o
*
* %Begin-Header%
* This file may be redistributed under the terms of the GNU Public
* License.
* %End-Header%
- *
+ *
* Pass 2 of e2fsck iterates through all active directory inodes, and
* applies to following tests to each directory entry in the directory
* blocks in the inodes:
* least 8 bytes, and no more than the remaining space
* left in the directory block.
* - The length of the name in the directory entry (name_len)
- * should be less than (rec_len - 8).
+ * should be less than (rec_len - 8).
* - The inode number in the directory entry should be within
* legal bounds.
* - The inode number should refer to a in-use inode.
* - The inode_reg_map bitmap
*/
+#define _GNU_SOURCE 1 /* get strnlen() */
+#include <string.h>
+
#include "e2fsck.h"
#include "problem.h"
+#include "dict.h"
#ifdef NO_INLINE_FUNCS
#define _INLINE_
blk_t *block_nr,
e2_blkcnt_t blockcnt,
blk_t ref_block,
- int ref_offset,
+ int ref_offset,
void *priv_data);
static void clear_htree(e2fsck_t ctx, ext2_ino_t ino);
static int htree_depth(struct dx_dir_info *dx_dir,
struct problem_context pctx;
int count, max;
e2fsck_t ctx;
-};
+};
void e2fsck_pass2(e2fsck_t ctx)
{
#ifdef RESOURCE_TRACK
struct resource_track rtrack;
#endif
- struct dir_info *dir;
struct check_dir_struct cd;
struct dx_dir_info *dx_dir;
struct dx_dirblock_info *dx_db, *dx_parent;
- blk_t b;
+ int b;
int i, depth;
problem_t code;
int bad_dir;
-#ifdef RESOURCE_TRACK
- init_resource_track(&rtrack);
-#endif
-
+ init_resource_track(&rtrack, ctx->fs->io);
clear_problem_context(&cd.pctx);
#ifdef MTRACE
if (!(ctx->options & E2F_OPT_PREEN))
fix_problem(ctx, PR_2_PASS_HEADER, &cd.pctx);
- cd.pctx.errcode = ext2fs_create_icount2(fs, EXT2_ICOUNT_OPT_INCREMENT,
+ e2fsck_setup_tdb_icount(ctx, EXT2_ICOUNT_OPT_INCREMENT,
+ &ctx->inode_count);
+ if (ctx->inode_count)
+ cd.pctx.errcode = 0;
+ else
+ cd.pctx.errcode = ext2fs_create_icount2(fs,
+ EXT2_ICOUNT_OPT_INCREMENT,
0, ctx->inode_link_info,
&ctx->inode_count);
if (cd.pctx.errcode) {
* present. (If the root directory is not present, we will
* create it in pass 3.)
*/
- dir = e2fsck_get_dir_info(ctx, EXT2_ROOT_INO);
- if (dir)
- dir->parent = EXT2_ROOT_INO;
+ (void) e2fsck_dir_info_set_parent(ctx, EXT2_ROOT_INO, EXT2_ROOT_INO);
cd.buf = buf;
cd.ctx = ctx;
if (fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX)
ext2fs_dblist_sort(fs->dblist, special_dir_block_cmp);
-
+
cd.pctx.errcode = ext2fs_dblist_iterate(fs->dblist, check_dir_block,
&cd);
- if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+ if (ctx->flags & E2F_FLAG_SIGNAL_MASK || ctx->flags & E2F_FLAG_RESTART)
+ return;
+
+ if (ctx->flags & E2F_FLAG_RESTART_LATER) {
+ ctx->flags |= E2F_FLAG_RESTART;
return;
+ }
+
if (cd.pctx.errcode) {
fix_problem(ctx, PR_2_DBLIST_ITERATE, &cd.pctx);
ctx->flags |= E2F_FLAG_ABORT;
if (dx_db->flags & DX_FLAG_LAST)
dx_parent->max_hash = dx_db->max_hash;
}
-
+
for (b=0, dx_db = dx_dir->dx_block;
b < dx_dir->numblocks;
b++, dx_db++) {
if (dx_db->type == DX_DIRBLOCK_LEAF) {
depth = htree_depth(dx_dir, dx_db);
if (depth != dx_dir->depth) {
+ pctx.num = dx_dir->depth;
code = PR_2_HTREE_BAD_DEPTH;
fix_problem(ctx, code, &pctx);
bad_dir++;
}
}
/*
- * This test doesn't apply for the root block
+ * This test doesn't apply for the root block
* at block #0
*/
if (b &&
clear_htree(ctx, dx_dir->ino);
dx_dir->numblocks = 0;
}
-#ifdef ENABLE_HTREE_CLEAR
- if (dx_dir->numblocks) {
- fix_problem(ctx, PR_2_HTREE_FCLR, &pctx);
- clear_htree(ctx, dx_dir->ino);
- dx_dir->numblocks = 0;
- }
-#endif
}
+ e2fsck_free_dx_dir_info(ctx);
#endif
- ext2fs_free_mem((void **) &buf);
+ ext2fs_free_mem(&buf);
ext2fs_free_dblist(fs->dblist);
if (ctx->inode_bad_map) {
fix_problem(ctx, PR_2_FEATURE_LARGE_FILES, &pctx)) {
sb->s_feature_ro_compat |=
EXT2_FEATURE_RO_COMPAT_LARGE_FILE;
+ fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
ext2fs_mark_super_dirty(fs);
}
if (sb->s_rev_level == EXT2_GOOD_OLD_REV &&
ext2fs_update_dynamic_rev(fs);
ext2fs_mark_super_dirty(fs);
}
- } else if (!ctx->large_files &&
- (sb->s_feature_ro_compat &
- EXT2_FEATURE_RO_COMPAT_LARGE_FILE)) {
- if (fs->flags & EXT2_FLAG_RW) {
- sb->s_feature_ro_compat &=
- ~EXT2_FEATURE_RO_COMPAT_LARGE_FILE;
- ext2fs_mark_super_dirty(fs);
- }
- }
-
-#ifdef RESOURCE_TRACK
- if (ctx->options & E2F_OPT_TIME2) {
- e2fsck_clear_progbar(ctx);
- print_resource_track("Pass 2", &rtrack);
}
-#endif
+
+ print_resource_track(ctx, _("Pass 2"), &rtrack, fs->io);
}
#define MAX_DEPTH 32000
return depth;
}
+static int dict_de_cmp(const void *a, const void *b)
+{
+ const struct ext2_dir_entry *de_a, *de_b;
+ int a_len, b_len;
+
+ de_a = (const struct ext2_dir_entry *) a;
+ a_len = de_a->name_len & 0xFF;
+ de_b = (const struct ext2_dir_entry *) b;
+ b_len = de_b->name_len & 0xFF;
+
+ if (a_len != b_len)
+ return (a_len - b_len);
+
+ return strncmp(de_a->name, de_b->name, a_len);
+}
/*
* This is special sort function that makes sure that directory blocks
if (!db_a->blockcnt && db_b->blockcnt)
return -1;
-
+
if (db_a->blk != db_b->blk)
return (int) (db_a->blk - db_b->blk);
-
+
if (db_a->ino != db_b->ino)
return (int) (db_a->ino - db_b->ino);
ext2_ino_t ino, struct problem_context *pctx)
{
struct ext2_dir_entry *nextdir;
+ unsigned int rec_len, new_len;
int status = 0;
int created = 0;
- int new_len;
int problem = 0;
-
+
if (!dirent->inode)
problem = PR_2_MISSING_DOT;
else if (((dirent->name_len & 0xFF) != 1) ||
problem = PR_2_1ST_NOT_DOT;
else if (dirent->name[1] != '\0')
problem = PR_2_DOT_NULL_TERM;
-
+
+ (void) ext2fs_get_rec_len(ctx->fs, dirent, &rec_len);
if (problem) {
if (fix_problem(ctx, problem, pctx)) {
- if (dirent->rec_len < 12)
- dirent->rec_len = 12;
+ if (rec_len < 12)
+ rec_len = dirent->rec_len = 12;
dirent->inode = ino;
dirent->name_len = 1;
dirent->name[0] = '.';
status = 1;
}
}
- if (dirent->rec_len > 12) {
- new_len = dirent->rec_len - 12;
+ if (rec_len > 12) {
+ new_len = rec_len - 12;
if (new_len > 12) {
if (created ||
fix_problem(ctx, PR_2_SPLIT_DOT, pctx)) {
nextdir = (struct ext2_dir_entry *)
((char *) dirent + 12);
dirent->rec_len = 12;
- nextdir->rec_len = new_len;
+ (void) ext2fs_set_rec_len(ctx->fs, new_len,
+ nextdir);
nextdir->inode = 0;
nextdir->name_len = 0;
status = 1;
*/
static int check_dotdot(e2fsck_t ctx,
struct ext2_dir_entry *dirent,
- struct dir_info *dir, struct problem_context *pctx)
+ ext2_ino_t ino, struct problem_context *pctx)
{
- int problem = 0;
-
+ int rec_len, problem = 0;
+
if (!dirent->inode)
problem = PR_2_MISSING_DOT_DOT;
else if (((dirent->name_len & 0xFF) != 2) ||
else if (dirent->name[2] != '\0')
problem = PR_2_DOT_DOT_NULL_TERM;
+ (void) ext2fs_get_rec_len(ctx->fs, dirent, &rec_len);
if (problem) {
if (fix_problem(ctx, problem, pctx)) {
- if (dirent->rec_len < 12)
+ if (rec_len < 12)
dirent->rec_len = 12;
/*
* Note: we don't have the parent inode just
dirent->name[1] = '.';
dirent->name[2] = '\0';
return 1;
- }
+ }
return 0;
}
- dir->dotdot = dirent->inode;
+ if (e2fsck_dir_info_set_dotdot(ctx, ino, dirent->inode)) {
+ fix_problem(ctx, PR_2_NO_DIRINFO, pctx);
+ return -1;
+ }
return 0;
}
*/
static int check_name(e2fsck_t ctx,
struct ext2_dir_entry *dirent,
- ext2_ino_t dir_ino, struct problem_context *pctx)
+ ext2_ino_t dir_ino EXT2FS_ATTR((unused)),
+ struct problem_context *pctx)
{
int i;
int fixup = -1;
int ret = 0;
-
+
for ( i = 0; i < (dirent->name_len & 0xFF); i++) {
if (dirent->name[i] == '/' || dirent->name[i] == '\0') {
if (fixup < 0) {
* Check the directory filetype (if present)
*/
static _INLINE_ int check_filetype(e2fsck_t ctx,
- struct ext2_dir_entry *dirent,
- ext2_ino_t dir_ino, struct problem_context *pctx)
+ struct ext2_dir_entry *dirent,
+ ext2_ino_t dir_ino EXT2FS_ATTR((unused)),
+ struct problem_context *pctx)
{
int filetype = dirent->name_len >> 8;
int should_be = EXT2_FT_UNKNOWN;
if (fix_problem(ctx, filetype ? PR_2_BAD_FILETYPE : PR_2_SET_FILETYPE,
pctx) == 0)
return 0;
-
+
dirent->name_len = (dirent->name_len & 0xFF) | should_be << 8;
return 1;
}
if (db->blockcnt == 0) {
root = (struct ext2_dx_root_info *) (block_buf + 24);
-
+
#ifdef DX_DEBUG
printf("Root node dump:\n");
- printf("\t Reserved zero: %d\n", root->reserved_zero);
+ printf("\t Reserved zero: %u\n", root->reserved_zero);
printf("\t Hash Version: %d\n", root->hash_version);
printf("\t Info length: %d\n", root->info_length);
printf("\t Indirect levels: %d\n", root->indirect_levels);
limit = (struct ext2_dx_countlimit *) ent;
#ifdef DX_DEBUG
- printf("Number of entries (count): %d\n",
+ printf("Number of entries (count): %d\n",
ext2fs_le16_to_cpu(limit->count));
- printf("Number of entries (limit): %d\n",
+ printf("Number of entries (limit): %d\n",
ext2fs_le16_to_cpu(limit->limit));
#endif
goto clear_and_exit;
count = expect_limit;
}
-
+
for (i=0; i < count; i++) {
prev_hash = hash;
hash = i ? (ext2fs_le32_to_cpu(ent[i].hash) & ~1) : 0;
#ifdef DX_DEBUG
- printf("Entry #%d: Hash 0x%08x, block %d\n", i,
+ printf("Entry #%d: Hash 0x%08x, block %u\n", i,
hash, ext2fs_le32_to_cpu(ent[i].block));
#endif
blk = ext2fs_le32_to_cpu(ent[i].block) & 0x0ffffff;
/* Check to make sure the block is valid */
- if (blk > dx_dir->numblocks) {
+ if (blk >= (blk_t) dx_dir->numblocks) {
cd->pctx.blk = blk;
if (fix_problem(cd->ctx, PR_2_HTREE_BADBLK,
&cd->pctx))
goto clear_and_exit;
+ continue;
}
if (hash < prev_hash &&
fix_problem(cd->ctx, PR_2_HTREE_HASH_ORDER, &cd->pctx))
max_hash = hash;
dx_db->node_min_hash = hash;
if ((i+1) < count)
- dx_db->node_max_hash =
+ dx_db->node_max_hash =
ext2fs_le32_to_cpu(ent[i+1].hash) & ~1;
else {
dx_db->node_max_hash = 0xfffffffe;
/*
* Given a busted directory, try to salvage it somehow.
- *
+ *
*/
static void salvage_directory(ext2_filsys fs,
struct ext2_dir_entry *dirent,
struct ext2_dir_entry *prev,
- int *offset)
+ unsigned int *offset)
{
char *cp = (char *) dirent;
- int left = fs->blocksize - *offset - dirent->rec_len;
- int name_len = dirent->name_len & 0xFF;
+ int left;
+ unsigned int rec_len, prev_rec_len;
+ unsigned int name_len = dirent->name_len & 0xFF;
+
+ (void) ext2fs_get_rec_len(fs, dirent, &rec_len);
+ left = fs->blocksize - *offset - rec_len;
/*
* Special case of directory entry of size 8: copy what's left
* of the directory block up to cover up the invalid hole.
*/
- if ((left >= 12) && (dirent->rec_len == 8)) {
+ if ((left >= 12) && (rec_len == 8)) {
memmove(cp, cp+8, left);
memset(cp + left, 0, 8);
return;
* record length.
*/
if ((left < 0) &&
- (name_len + 8 <= dirent->rec_len + left) &&
+ ((int) rec_len + left > 8) &&
+ (name_len + 8 <= (int) rec_len + left) &&
dirent->inode <= fs->super->s_inodes_count &&
strnlen(dirent->name, name_len) == name_len) {
- dirent->rec_len += left;
+ (void) ext2fs_set_rec_len(fs, (int) rec_len + left, dirent);
return;
}
/*
- * If the directory entry is a multiple of four, so it is
- * valid, let the previous directory entry absorb the invalid
- * one.
+ * If the record length of the directory entry is a multiple
+ * of four, and not too big, such that it is valid, let the
+ * previous directory entry absorb the invalid one.
*/
- if (prev && dirent->rec_len && (dirent->rec_len % 4) == 0) {
- prev->rec_len += dirent->rec_len;
- *offset += dirent->rec_len;
+ if (prev && rec_len && (rec_len % 4) == 0 &&
+ (*offset + rec_len <= fs->blocksize)) {
+ (void) ext2fs_get_rec_len(fs, prev, &prev_rec_len);
+ prev_rec_len += rec_len;
+ (void) ext2fs_set_rec_len(fs, prev_rec_len, prev);
+ *offset += rec_len;
return;
}
/*
* new empty directory entry the rest of the directory block.
*/
if (prev) {
- prev->rec_len += fs->blocksize - *offset;
+ (void) ext2fs_get_rec_len(fs, prev, &prev_rec_len);
+ prev_rec_len += fs->blocksize - *offset;
+ (void) ext2fs_set_rec_len(fs, prev_rec_len, prev);
*offset = fs->blocksize;
} else {
- dirent->rec_len = fs->blocksize - *offset;
+ rec_len = fs->blocksize - *offset;
+ (void) ext2fs_set_rec_len(fs, rec_len, dirent);
dirent->name_len = 0;
dirent->inode = 0;
}
struct ext2_db_entry *db,
void *priv_data)
{
- struct dir_info *subdir, *dir;
struct dx_dir_info *dx_dir;
#ifdef ENABLE_HTREE
struct dx_dirblock_info *dx_db = 0;
#endif /* ENABLE_HTREE */
struct ext2_dir_entry *dirent, *prev;
ext2_dirhash_t hash;
- int offset = 0;
+ unsigned int offset = 0;
+ const char * old_op;
int dir_modified = 0;
int dot_state;
+ unsigned int rec_len;
blk_t block_nr = db->blk;
ext2_ino_t ino = db->ino;
+ ext2_ino_t subdir_parent;
__u16 links;
struct check_dir_struct *cd;
char *buf;
int problem;
struct ext2_dx_root_info *root;
struct ext2_dx_countlimit *limit;
+ static dict_t de_dict;
+ struct problem_context pctx;
+ int dups_found = 0;
+ int ret;
cd = (struct check_dir_struct *) priv_data;
buf = cd->buf;
ctx = cd->ctx;
- if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+ if (ctx->flags & E2F_FLAG_SIGNAL_MASK || ctx->flags & E2F_FLAG_RESTART)
return DIRENT_ABORT;
-
+
if (ctx->progress && (ctx->progress)(ctx, 2, cd->count++, cd->max))
return DIRENT_ABORT;
-
+
/*
- * Make sure the inode is still in use (could have been
+ * Make sure the inode is still in use (could have been
* deleted in the duplicate/bad blocks pass.
*/
- if (!(ext2fs_test_inode_bitmap(ctx->inode_used_map, ino)))
+ if (!(ext2fs_test_inode_bitmap(ctx->inode_used_map, ino)))
return 0;
cd->pctx.ino = ino;
return 0;
block_nr = db->blk;
}
-
+
if (db->blockcnt)
dot_state = 2;
else
dot_state = 0;
+ if (ctx->dirs_to_hash &&
+ ext2fs_u32_list_test(ctx->dirs_to_hash, ino))
+ dups_found++;
+
#if 0
printf("In process_dir_block block %lu, #%d, inode %lu\n", block_nr,
db->blockcnt, ino);
#endif
-
+
+ old_op = ehandler_operation(_("reading directory block"));
cd->pctx.errcode = ext2fs_read_dir_block(fs, block_nr, buf);
+ ehandler_operation(0);
if (cd->pctx.errcode == EXT2_ET_DIR_CORRUPTED)
cd->pctx.errcode = 0; /* We'll handle this ourselves */
if (cd->pctx.errcode) {
dx_dir = e2fsck_get_dx_dir_info(ctx, ino);
if (dx_dir && dx_dir->numblocks) {
if (db->blockcnt >= dx_dir->numblocks) {
- printf("XXX should never happen!!!\n");
- abort();
+ if (fix_problem(ctx, PR_2_UNEXPECTED_HTREE_BLOCK,
+ &pctx)) {
+ clear_htree(ctx, ino);
+ dx_dir->numblocks = 0;
+ dx_db = 0;
+ goto out_htree;
+ }
+ fatal_error(ctx, _("Can not continue."));
}
dx_db = &dx_dir->dx_block[db->blockcnt];
dx_db->type = DX_DIRBLOCK_LEAF;
dx_db->phys = block_nr;
dx_db->min_hash = ~0;
dx_db->max_hash = 0;
-
+
dirent = (struct ext2_dir_entry *) buf;
+ (void) ext2fs_get_rec_len(fs, dirent, &rec_len);
limit = (struct ext2_dx_countlimit *) (buf+8);
if (db->blockcnt == 0) {
root = (struct ext2_dx_root_info *) (buf + 24);
clear_htree(ctx, ino);
dx_dir->numblocks = 0;
dx_db = 0;
- }
+ }
dx_dir->hashversion = root->hash_version;
+ if ((dx_dir->hashversion <= EXT2_HASH_TEA) &&
+ (fs->super->s_flags & EXT2_FLAGS_UNSIGNED_HASH))
+ dx_dir->hashversion += 3;
dx_dir->depth = root->indirect_levels + 1;
} else if ((dirent->inode == 0) &&
- (dirent->rec_len == fs->blocksize) &&
+ (rec_len == fs->blocksize) &&
(dirent->name_len == 0) &&
- (ext2fs_le16_to_cpu(limit->limit) ==
- ((fs->blocksize-8) /
+ (ext2fs_le16_to_cpu(limit->limit) ==
+ ((fs->blocksize-8) /
sizeof(struct ext2_dx_entry))))
dx_db->type = DX_DIRBLOCK_NODE;
}
+out_htree:
#endif /* ENABLE_HTREE */
+ dict_init(&de_dict, DICTCOUNT_T_MAX, dict_de_cmp);
prev = 0;
do {
+ int group;
+ ext2_ino_t first_unused_inode;
+
problem = 0;
dirent = (struct ext2_dir_entry *) (buf + offset);
+ (void) ext2fs_get_rec_len(fs, dirent, &rec_len);
cd->pctx.dirent = dirent;
cd->pctx.num = offset;
- if (((offset + dirent->rec_len) > fs->blocksize) ||
- (dirent->rec_len < 12) ||
- ((dirent->rec_len % 4) != 0) ||
- (((dirent->name_len & 0xFF)+8) > dirent->rec_len)) {
+ if (((offset + rec_len) > fs->blocksize) ||
+ (rec_len < 12) ||
+ ((rec_len % 4) != 0) ||
+ (((dirent->name_len & (unsigned) 0xFF)+8) > rec_len)) {
if (fix_problem(ctx, PR_2_DIR_CORRUPTED, &cd->pctx)) {
salvage_directory(fs, dirent, prev, &offset);
dir_modified++;
continue;
} else
- return DIRENT_ABORT;
+ goto abort_free_dict;
}
if ((dirent->name_len & 0xFF) > EXT2_NAME_LEN) {
if (fix_problem(ctx, PR_2_FILENAME_LONG, &cd->pctx)) {
if (check_dot(ctx, dirent, ino, &cd->pctx))
dir_modified++;
} else if (dot_state == 1) {
- dir = e2fsck_get_dir_info(ctx, ino);
- if (!dir) {
- fix_problem(ctx, PR_2_NO_DIRINFO, &cd->pctx);
- ctx->flags |= E2F_FLAG_ABORT;
- return DIRENT_ABORT;
- }
- if (check_dotdot(ctx, dirent, dir, &cd->pctx))
+ ret = check_dotdot(ctx, dirent, ino, &cd->pctx);
+ if (ret < 0)
+ goto abort_free_dict;
+ if (ret)
dir_modified++;
} else if (dirent->inode == ino) {
problem = PR_2_LINK_DOT;
goto next;
}
}
- if (!dirent->inode)
+ if (!dirent->inode)
goto next;
-
+
/*
* Make sure the inode listed is a legal one.
- */
+ */
if (((dirent->inode != EXT2_ROOT_INO) &&
(dirent->inode < EXT2_FIRST_INODE(fs->super))) ||
(dirent->inode > fs->super->s_inodes_count)) {
problem = PR_2_BAD_INO;
- } else if (!(ext2fs_test_inode_bitmap(ctx->inode_used_map,
- dirent->inode))) {
- /*
- * If the inode is unused, offer to clear it.
- */
- problem = PR_2_UNUSED_INODE;
} else if (ctx->inode_bb_map &&
(ext2fs_test_inode_bitmap(ctx->inode_bb_map,
dirent->inode))) {
problem = PR_2_DUP_DOT;
} else if ((dot_state > 1) &&
((dirent->name_len & 0xFF) == 2) &&
- (dirent->name[0] == '.') &&
+ (dirent->name[0] == '.') &&
(dirent->name[1] == '.')) {
/*
* If there's a '..' entry in anything other
return DIRENT_ABORT;
}
+ group = ext2fs_group_of_ino(fs, dirent->inode);
+ first_unused_inode = group * fs->super->s_inodes_per_group +
+ 1 + fs->super->s_inodes_per_group -
+ fs->group_desc[group].bg_itable_unused;
+ cd->pctx.group = group;
+
+ /*
+ * Check if the inode was missed out because
+ * _INODE_UNINIT flag was set or bg_itable_unused was
+ * incorrect. If so, clear the _INODE_UNINIT flag and
+ * restart e2fsck. In the future it would be nice if
+ * we could call a function in pass1.c that checks the
+ * newly visible inodes.
+ */
+ if (fs->group_desc[group].bg_flags & EXT2_BG_INODE_UNINIT) {
+ pctx.num = dirent->inode;
+ if (fix_problem(ctx, PR_2_INOREF_BG_INO_UNINIT,
+ &cd->pctx)){
+ fs->group_desc[group].bg_flags &=
+ ~EXT2_BG_INODE_UNINIT;
+ ext2fs_mark_super_dirty(fs);
+ ctx->flags |= E2F_FLAG_RESTART_LATER;
+ } else {
+ ext2fs_unmark_valid(fs);
+ if (problem == PR_2_BAD_INO)
+ goto next;
+ }
+ } else if (dirent->inode >= first_unused_inode) {
+ pctx.num = dirent->inode;
+ if (fix_problem(ctx, PR_2_INOREF_IN_UNUSED, &cd->pctx)){
+ fs->group_desc[group].bg_itable_unused = 0;
+ ext2fs_mark_super_dirty(fs);
+ ctx->flags |= E2F_FLAG_RESTART_LATER;
+ } else {
+ ext2fs_unmark_valid(fs);
+ if (problem == PR_2_BAD_INO)
+ goto next;
+ }
+ }
+
+ if (!(ext2fs_test_inode_bitmap(ctx->inode_used_map,
+ dirent->inode))) {
+ /*
+ * If the inode is unused, offer to clear it.
+ */
+ problem = PR_2_UNUSED_INODE;
+ }
+
+ if (problem) {
+ if (fix_problem(ctx, problem, &cd->pctx)) {
+ dirent->inode = 0;
+ dir_modified++;
+ goto next;
+ } else {
+ ext2fs_unmark_valid(fs);
+ if (problem == PR_2_BAD_INO)
+ goto next;
+ }
+ }
+
if (check_name(ctx, dirent, ino, &cd->pctx))
dir_modified++;
if ((dot_state > 1) &&
(ext2fs_test_inode_bitmap(ctx->inode_dir_map,
dirent->inode))) {
- subdir = e2fsck_get_dir_info(ctx, dirent->inode);
- if (!subdir) {
+ if (e2fsck_dir_info_get_parent(ctx, dirent->inode,
+ &subdir_parent)) {
cd->pctx.ino = dirent->inode;
fix_problem(ctx, PR_2_NO_DIRINFO, &cd->pctx);
- ctx->flags |= E2F_FLAG_ABORT;
- return DIRENT_ABORT;
+ goto abort_free_dict;
}
- if (subdir->parent) {
- cd->pctx.ino2 = subdir->parent;
+ if (subdir_parent) {
+ cd->pctx.ino2 = subdir_parent;
if (fix_problem(ctx, PR_2_LINK_DIR,
&cd->pctx)) {
dirent->inode = 0;
goto next;
}
cd->pctx.ino2 = 0;
- } else
- subdir->parent = ino;
+ } else {
+ (void) e2fsck_dir_info_set_parent(ctx,
+ dirent->inode, ino);
+ }
}
-
+
+ if (dups_found) {
+ ;
+ } else if (dict_lookup(&de_dict, dirent)) {
+ clear_problem_context(&pctx);
+ pctx.ino = ino;
+ pctx.dirent = dirent;
+ fix_problem(ctx, PR_2_REPORT_DUP_DIRENT, &pctx);
+ if (!ctx->dirs_to_hash)
+ ext2fs_u32_list_create(&ctx->dirs_to_hash, 50);
+ if (ctx->dirs_to_hash)
+ ext2fs_u32_list_add(ctx->dirs_to_hash, ino);
+ dups_found++;
+ } else
+ dict_alloc_insert(&de_dict, dirent, dirent);
+
ext2fs_icount_increment(ctx->inode_count, dirent->inode,
&links);
if (links > 1)
ctx->fs_total_count++;
next:
prev = dirent;
- offset += dirent->rec_len;
+ if (dir_modified)
+ (void) ext2fs_get_rec_len(fs, dirent, &rec_len);
+ offset += rec_len;
dot_state++;
} while (offset < fs->blocksize);
#if 0
}
#endif /* ENABLE_HTREE */
if (offset != fs->blocksize) {
- cd->pctx.num = dirent->rec_len - fs->blocksize + offset;
+ cd->pctx.num = rec_len - fs->blocksize + offset;
if (fix_problem(ctx, PR_2_FINAL_RECLEN, &cd->pctx)) {
dirent->rec_len = cd->pctx.num;
dir_modified++;
cd->pctx.errcode = ext2fs_write_dir_block(fs, block_nr, buf);
if (cd->pctx.errcode) {
if (!fix_problem(ctx, PR_2_WRITE_DIRBLOCK,
- &cd->pctx)) {
- ctx->flags |= E2F_FLAG_ABORT;
- return DIRENT_ABORT;
- }
+ &cd->pctx))
+ goto abort_free_dict;
}
ext2fs_mark_changed(fs);
}
+ dict_free_nodes(&de_dict);
return 0;
+abort_free_dict:
+ ctx->flags |= E2F_FLAG_ABORT;
+ dict_free_nodes(&de_dict);
+ return DIRENT_ABORT;
}
/*
*/
static int deallocate_inode_block(ext2_filsys fs,
blk_t *block_nr,
- e2_blkcnt_t blockcnt,
- blk_t ref_block,
- int ref_offset,
+ e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
+ blk_t ref_block EXT2FS_ATTR((unused)),
+ int ref_offset EXT2FS_ATTR((unused)),
void *priv_data)
{
e2fsck_t ctx = (e2fsck_t) priv_data;
-
+
if (HOLE_BLKADDR(*block_nr))
return 0;
+ if ((*block_nr < fs->super->s_first_data_block) ||
+ (*block_nr >= fs->super->s_blocks_count))
+ return 0;
ext2fs_unmark_block_bitmap(ctx->block_found_map, *block_nr);
ext2fs_block_alloc_stats(fs, *block_nr, -1);
return 0;
}
-
+
/*
* This fuction deallocates an inode
*/
struct ext2_inode inode;
struct problem_context pctx;
__u32 count;
-
- ext2fs_icount_store(ctx->inode_link_info, ino, 0);
+
e2fsck_read_inode(ctx, ino, &inode, "deallocate_inode");
- inode.i_links_count = 0;
- inode.i_dtime = time(0);
- e2fsck_write_inode(ctx, ino, &inode, "deallocate_inode");
+ e2fsck_clear_inode(ctx, ino, &inode, 0, "deallocate_inode");
clear_problem_context(&pctx);
pctx.ino = ino;
* Fix up the bitmaps...
*/
e2fsck_read_bitmaps(ctx);
- ext2fs_unmark_inode_bitmap(ctx->inode_used_map, ino);
- ext2fs_unmark_inode_bitmap(ctx->inode_dir_map, ino);
- if (ctx->inode_bad_map)
- ext2fs_unmark_inode_bitmap(ctx->inode_bad_map, ino);
ext2fs_inode_alloc_stats2(fs, ino, -1, LINUX_S_ISDIR(inode.i_mode));
if (inode.i_file_acl &&
static void clear_htree(e2fsck_t ctx, ext2_ino_t ino)
{
struct ext2_inode inode;
-
+
e2fsck_read_inode(ctx, ino, &inode, "clear_htree");
inode.i_flags = inode.i_flags & ~EXT2_INDEX_FL;
e2fsck_write_inode(ctx, ino, &inode, "clear_htree");
ext2_filsys fs = ctx->fs;
struct ext2_inode inode;
int inode_modified = 0;
+ int not_fixed = 0;
unsigned char *frag, *fsize;
struct problem_context pctx;
int problem = 0;
pctx.dir = dir;
pctx.inode = &inode;
+ if (inode.i_file_acl &&
+ !(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR)) {
+ if (fix_problem(ctx, PR_2_FILE_ACL_ZERO, &pctx)) {
+ inode.i_file_acl = 0;
+ inode_modified++;
+ } else
+ not_fixed++;
+ }
+
if (!LINUX_S_ISDIR(inode.i_mode) && !LINUX_S_ISREG(inode.i_mode) &&
!LINUX_S_ISCHR(inode.i_mode) && !LINUX_S_ISBLK(inode.i_mode) &&
!LINUX_S_ISLNK(inode.i_mode) && !LINUX_S_ISFIFO(inode.i_mode) &&
&& !e2fsck_pass1_check_device_inode(fs, &inode))
problem = PR_2_BAD_SOCKET;
else if (LINUX_S_ISLNK(inode.i_mode)
- && !e2fsck_pass1_check_symlink(fs, &inode, buf)) {
+ && !e2fsck_pass1_check_symlink(fs, ino, &inode, buf)) {
problem = PR_2_INVALID_SYMLINK;
}
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
return 0;
return 1;
- }
+ } else
+ not_fixed++;
problem = 0;
}
-
- if (inode.i_faddr &&
- fix_problem(ctx, PR_2_FADDR_ZERO, &pctx)) {
- inode.i_faddr = 0;
- inode_modified++;
+
+ if (inode.i_faddr) {
+ if (fix_problem(ctx, PR_2_FADDR_ZERO, &pctx)) {
+ inode.i_faddr = 0;
+ inode_modified++;
+ } else
+ not_fixed++;
}
switch (fs->super->s_creator_os) {
- case EXT2_OS_LINUX:
- frag = &inode.osd2.linux2.l_i_frag;
- fsize = &inode.osd2.linux2.l_i_fsize;
- break;
case EXT2_OS_HURD:
frag = &inode.osd2.hurd2.h_i_frag;
fsize = &inode.osd2.hurd2.h_i_fsize;
break;
- case EXT2_OS_MASIX:
- frag = &inode.osd2.masix2.m_i_frag;
- fsize = &inode.osd2.masix2.m_i_fsize;
- break;
default:
frag = fsize = 0;
}
if (fix_problem(ctx, PR_2_FRAG_ZERO, &pctx)) {
*frag = 0;
inode_modified++;
- }
+ } else
+ not_fixed++;
pctx.num = 0;
}
if (fsize && *fsize) {
if (fix_problem(ctx, PR_2_FSIZE_ZERO, &pctx)) {
*fsize = 0;
inode_modified++;
- }
+ } else
+ not_fixed++;
pctx.num = 0;
}
- if (inode.i_file_acl &&
- !(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR) &&
- fix_problem(ctx, PR_2_FILE_ACL_ZERO, &pctx)) {
- inode.i_file_acl = 0;
- inode_modified++;
+ if ((fs->super->s_creator_os == EXT2_OS_LINUX) &&
+ !(fs->super->s_feature_ro_compat &
+ EXT4_FEATURE_RO_COMPAT_HUGE_FILE) &&
+ (inode.osd2.linux2.l_i_blocks_hi != 0)) {
+ pctx.num = inode.osd2.linux2.l_i_blocks_hi;
+ if (fix_problem(ctx, PR_2_BLOCKS_HI_ZERO, &pctx)) {
+ inode.osd2.linux2.l_i_blocks_hi = 0;
+ inode_modified++;
+ }
+ }
+
+ if (!(fs->super->s_feature_incompat &
+ EXT4_FEATURE_INCOMPAT_64BIT) &&
+ inode.osd2.linux2.l_i_file_acl_high != 0) {
+ pctx.num = inode.osd2.linux2.l_i_file_acl_high;
+ if (fix_problem(ctx, PR_2_I_FILE_ACL_HI_ZERO, &pctx)) {
+ inode.osd2.linux2.l_i_file_acl_high = 0;
+ inode_modified++;
+ } else
+ not_fixed++;
}
+
if (inode.i_file_acl &&
((inode.i_file_acl < fs->super->s_first_data_block) ||
- (inode.i_file_acl >= fs->super->s_blocks_count)) &&
- fix_problem(ctx, PR_2_FILE_ACL_BAD, &pctx)) {
- inode.i_file_acl = 0;
- inode_modified++;
+ (inode.i_file_acl >= fs->super->s_blocks_count))) {
+ if (fix_problem(ctx, PR_2_FILE_ACL_BAD, &pctx)) {
+ inode.i_file_acl = 0;
+ inode_modified++;
+ } else
+ not_fixed++;
}
if (inode.i_dir_acl &&
- LINUX_S_ISDIR(inode.i_mode) &&
- fix_problem(ctx, PR_2_DIR_ACL_ZERO, &pctx)) {
- inode.i_dir_acl = 0;
- inode_modified++;
+ LINUX_S_ISDIR(inode.i_mode)) {
+ if (fix_problem(ctx, PR_2_DIR_ACL_ZERO, &pctx)) {
+ inode.i_dir_acl = 0;
+ inode_modified++;
+ } else
+ not_fixed++;
}
+
if (inode_modified)
e2fsck_write_inode(ctx, ino, &inode, "process_bad_inode");
+ if (!not_fixed && ctx->inode_bad_map)
+ ext2fs_unmark_inode_bitmap(ctx->inode_bad_map, ino);
return 0;
}
*/
static int allocate_dir_block(e2fsck_t ctx,
struct ext2_db_entry *db,
- char *buf, struct problem_context *pctx)
+ char *buf EXT2FS_ATTR((unused)),
+ struct problem_context *pctx)
{
ext2_filsys fs = ctx->fs;
blk_t blk;
* them.
*/
e2fsck_read_bitmaps(ctx);
-
+
/*
* First, find a free block
*/
}
pctx->errcode = ext2fs_write_dir_block(fs, blk, block);
- ext2fs_free_mem((void **) &block);
+ ext2fs_free_mem(&block);
if (pctx->errcode) {
pctx->str = "ext2fs_write_dir_block";
fix_problem(ctx, PR_2_ALLOC_DIRBOCK, pctx);
* Update the inode block count
*/
e2fsck_read_inode(ctx, db->ino, &inode, "allocate_dir_block");
- inode.i_blocks += fs->blocksize / 512;
+ ext2fs_iblk_add_blocks(fs, &inode, 1);
if (inode.i_size < (db->blockcnt+1) * fs->blocksize)
inode.i_size = (db->blockcnt+1) * fs->blocksize;
e2fsck_write_inode(ctx, db->ino, &inode, "allocate_dir_block");
/*
* This is a helper function for allocate_dir_block().
*/
-static int update_dir_block(ext2_filsys fs,
+static int update_dir_block(ext2_filsys fs EXT2FS_ATTR((unused)),
blk_t *block_nr,
e2_blkcnt_t blockcnt,
- blk_t ref_block,
- int ref_offset,
+ blk_t ref_block EXT2FS_ATTR((unused)),
+ int ref_offset EXT2FS_ATTR((unused)),
void *priv_data)
{
struct ext2_db_entry *db;
projects / thirdparty / e2fsprogs.git / blobdiff