/*
* 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 "config.h"
+#include <string.h>
+
#include "e2fsck.h"
#include "problem.h"
+#include "dict.h"
#ifdef NO_INLINE_FUNCS
#define _INLINE_
#define _INLINE_ inline
#endif
-#undef DX_DEBUG
+/* #define DX_DEBUG */
/*
* Keeps track of how many times an inode is referenced.
*/
static void deallocate_inode(e2fsck_t ctx, ext2_ino_t ino, char* block_buf);
static int check_dir_block(ext2_filsys fs,
- struct ext2_db_entry *dir_blocks_info,
+ struct ext2_db_entry2 *dir_blocks_info,
void *priv_data);
static int allocate_dir_block(e2fsck_t ctx,
- struct ext2_db_entry *dir_blocks_info,
+ struct ext2_db_entry2 *dir_blocks_info,
char *buf, struct problem_context *pctx);
-static int update_dir_block(ext2_filsys fs,
- blk_t *block_nr,
- e2_blkcnt_t blockcnt,
- blk_t ref_block,
- 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 dx_dirblock_info *dx_db);
+static EXT2_QSORT_TYPE special_dir_block_cmp(const void *a, const void *b);
struct check_dir_struct {
char *buf;
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 i;
+ unsigned int save_type;
+ 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 {
+ e2fsck_set_bitmap_type(fs, EXT2FS_BMAP64_RBTREE,
+ "inode_count", &save_type);
+ cd.pctx.errcode = ext2fs_create_icount2(fs,
+ EXT2_ICOUNT_OPT_INCREMENT,
0, ctx->inode_link_info,
&ctx->inode_count);
+ fs->default_bitmap_type = save_type;
+ }
if (cd.pctx.errcode) {
fix_problem(ctx, PR_2_ALLOCATE_ICOUNT, &cd.pctx);
ctx->flags |= E2F_FLAG_ABORT;
* 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;
cd.count = 1;
- cd.max = ext2fs_dblist_count(fs->dblist);
+ cd.max = ext2fs_dblist_count2(fs->dblist);
if (ctx->progress)
(void) (ctx->progress)(ctx, 2, 0, cd.max);
-
- cd.pctx.errcode = ext2fs_dblist_iterate(fs->dblist, check_dir_block,
- &cd);
- if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+
+ if (fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX)
+ ext2fs_dblist_sort2(fs->dblist, special_dir_block_cmp);
+
+ cd.pctx.errcode = ext2fs_dblist_iterate2(fs->dblist, check_dir_block,
+ &cd);
+ 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;
#ifdef ENABLE_HTREE
for (i=0; (dx_dir = e2fsck_dx_dir_info_iter(ctx, &i)) != 0;) {
+ if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+ return;
if (dx_dir->numblocks == 0)
continue;
clear_problem_context(&pctx);
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++) {
fix_problem(ctx, code, &pctx);
bad_dir++;
}
+ 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 &&
fix_problem(ctx, code, &pctx);
bad_dir++;
}
- if (code == 0)
- continue;
}
if (bad_dir && fix_problem(ctx, PR_2_HTREE_CLEAR, &pctx)) {
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);
+
+ print_resource_track(ctx, _("Pass 2"), &rtrack, fs->io);
+}
+
+#define MAX_DEPTH 32000
+static int htree_depth(struct dx_dir_info *dx_dir,
+ struct dx_dirblock_info *dx_db)
+{
+ int depth = 0;
+
+ while (dx_db->type != DX_DIRBLOCK_ROOT && depth < MAX_DEPTH) {
+ dx_db = &dx_dir->dx_block[dx_db->parent];
+ depth++;
}
-#endif
+ 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 = ext2fs_dirent_name_len(de_a);
+ de_b = (const struct ext2_dir_entry *) b;
+ b_len = ext2fs_dirent_name_len(de_b);
+
+ 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
+ * with a dirblock of zero are sorted to the beginning of the list.
+ * This guarantees that the root node of the htree directories are
+ * processed first, so we know what hash version to use.
+ */
+static EXT2_QSORT_TYPE special_dir_block_cmp(const void *a, const void *b)
+{
+ const struct ext2_db_entry2 *db_a =
+ (const struct ext2_db_entry2 *) a;
+ const struct ext2_db_entry2 *db_b =
+ (const struct ext2_db_entry2 *) b;
+
+ if (db_a->blockcnt && !db_b->blockcnt)
+ return 1;
+
+ 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);
+
+ return (int) (db_a->blockcnt - db_b->blockcnt);
}
+
/*
* Make sure the first entry in the directory is '.', and that the
* directory entry is sane.
ext2_ino_t ino, struct problem_context *pctx)
{
struct ext2_dir_entry *nextdir;
- int status = 0;
- int created = 0;
- int new_len;
- int problem = 0;
-
+ unsigned int rec_len, new_len;
+ int status = 0;
+ int created = 0;
+ problem_t problem = 0;
+
if (!dirent->inode)
problem = PR_2_MISSING_DOT;
- else if (((dirent->name_len & 0xFF) != 1) ||
+ else if ((ext2fs_dirent_name_len(dirent) != 1) ||
(dirent->name[0] != '.'))
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;
+ ext2fs_dirent_set_name_len(dirent, 1);
+ ext2fs_dirent_set_file_type(dirent, EXT2_FT_UNKNOWN);
dirent->name[0] = '.';
dirent->name[1] = '\0';
status = 1;
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;
+ ext2fs_dirent_set_name_len(nextdir, 0);
+ ext2fs_dirent_set_file_type(nextdir,
+ EXT2_FT_UNKNOWN);
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;
-
+ problem_t problem = 0;
+ unsigned int rec_len;
+
if (!dirent->inode)
problem = PR_2_MISSING_DOT_DOT;
- else if (((dirent->name_len & 0xFF) != 2) ||
+ else if ((ext2fs_dirent_name_len(dirent) != 2) ||
(dirent->name[0] != '.') ||
(dirent->name[1] != '.'))
problem = PR_2_2ND_NOT_DOT_DOT;
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
* inode. This will get fixed in pass 3.
*/
dirent->inode = EXT2_ROOT_INO;
- dirent->name_len = 2;
+ ext2fs_dirent_set_name_len(dirent, 2);
+ ext2fs_dirent_set_file_type(dirent, EXT2_FT_UNKNOWN);
dirent->name[0] = '.';
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++) {
+
+ for ( i = 0; i < ext2fs_dirent_name_len(dirent); i++) {
if (dirent->name[i] == '/' || dirent->name[i] == '\0') {
if (fixup < 0) {
fixup = fix_problem(ctx, PR_2_BAD_NAME, pctx);
* 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 filetype = ext2fs_dirent_file_type(dirent);
int should_be = EXT2_FT_UNKNOWN;
struct ext2_inode inode;
if (filetype == 0 ||
!fix_problem(ctx, PR_2_CLEAR_FILETYPE, pctx))
return 0;
- dirent->name_len = dirent->name_len & 0xFF;
+ ext2fs_dirent_set_file_type(dirent, EXT2_FT_UNKNOWN);
return 1;
}
- if (ext2fs_test_inode_bitmap(ctx->inode_dir_map, dirent->inode)) {
+ if (ext2fs_test_inode_bitmap2(ctx->inode_dir_map, dirent->inode)) {
should_be = EXT2_FT_DIR;
- } else if (ext2fs_test_inode_bitmap(ctx->inode_reg_map,
+ } else if (ext2fs_test_inode_bitmap2(ctx->inode_reg_map,
dirent->inode)) {
should_be = EXT2_FT_REG_FILE;
} else if (ctx->inode_bad_map &&
- ext2fs_test_inode_bitmap(ctx->inode_bad_map,
+ ext2fs_test_inode_bitmap2(ctx->inode_bad_map,
dirent->inode))
should_be = 0;
else {
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;
+
+ ext2fs_dirent_set_file_type(dirent, should_be);
return 1;
}
#ifdef ENABLE_HTREE
static void parse_int_node(ext2_filsys fs,
- struct ext2_db_entry *db,
+ struct ext2_db_entry2 *db,
struct check_dir_struct *cd,
struct dx_dir_info *dx_dir,
- char *block_buf)
+ char *block_buf, int failed_csum)
{
struct ext2_dx_root_info *root;
struct ext2_dx_entry *ent;
struct ext2_dx_countlimit *limit;
struct dx_dirblock_info *dx_db;
- int i;
+ int i, expect_limit, count;
blk_t blk;
ext2_dirhash_t min_hash = 0xffffffff;
ext2_dirhash_t max_hash = 0;
- ext2_dirhash_t hash = 0;
+ ext2_dirhash_t hash = 0, prev_hash;
+ int csum_size = 0;
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);
#endif
ent = (struct ext2_dx_entry *) (block_buf + 24 + root->info_length);
+
+ if (failed_csum &&
+ (e2fsck_dir_will_be_rehashed(cd->ctx, cd->pctx.ino) ||
+ fix_problem(cd->ctx, PR_2_HTREE_ROOT_CSUM_INVALID,
+ &cd->pctx)))
+ goto clear_and_exit;
} else {
ent = (struct ext2_dx_entry *) (block_buf+8);
+
+ if (failed_csum &&
+ (e2fsck_dir_will_be_rehashed(cd->ctx, cd->pctx.ino) ||
+ fix_problem(cd->ctx, PR_2_HTREE_NODE_CSUM_INVALID,
+ &cd->pctx)))
+ goto clear_and_exit;
}
+
limit = (struct ext2_dx_countlimit *) ent;
#ifdef DX_DEBUG
- printf("Number of entries (count): %d\n", limit->count);
- printf("Number of entries (limit): %d\n", limit->limit);
+ printf("Number of entries (count): %d\n",
+ ext2fs_le16_to_cpu(limit->count));
+ printf("Number of entries (limit): %d\n",
+ ext2fs_le16_to_cpu(limit->limit));
#endif
- for (i=0; i < limit->count; i++) {
- hash = i ? (ent[i].hash & ~1) : 0;
- /*
- * XXX Check to make make sure the hash[i] < hash[i+1]
- */
+ count = ext2fs_le16_to_cpu(limit->count);
+ if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+ csum_size = sizeof(struct ext2_dx_tail);
+ expect_limit = (fs->blocksize -
+ (csum_size + ((char *) ent - block_buf))) /
+ sizeof(struct ext2_dx_entry);
+ if (ext2fs_le16_to_cpu(limit->limit) != expect_limit) {
+ cd->pctx.num = ext2fs_le16_to_cpu(limit->limit);
+ if (fix_problem(cd->ctx, PR_2_HTREE_BAD_LIMIT, &cd->pctx))
+ goto clear_and_exit;
+ }
+ if (count > expect_limit) {
+ cd->pctx.num = count;
+ if (fix_problem(cd->ctx, PR_2_HTREE_BAD_COUNT, &cd->pctx))
+ 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,
- hash, ent[i].block);
+ printf("Entry #%d: Hash 0x%08x, block %u\n", i,
+ hash, ext2fs_le32_to_cpu(ent[i].block));
#endif
- blk = ent[i].block & 0x0ffffff;
+ 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)) {
- clear_htree(cd->ctx, cd->pctx.ino);
- dx_dir->numblocks = 0;
- return;
- }
+ &cd->pctx))
+ goto clear_and_exit;
+ continue;
}
+ if (hash < prev_hash &&
+ fix_problem(cd->ctx, PR_2_HTREE_HASH_ORDER, &cd->pctx))
+ goto clear_and_exit;
dx_db = &dx_dir->dx_block[blk];
if (dx_db->flags & DX_FLAG_REFERENCED) {
dx_db->flags |= DX_FLAG_DUP_REF;
if (hash > max_hash)
max_hash = hash;
dx_db->node_min_hash = hash;
- if ((i+1) < limit->count)
- dx_db->node_max_hash = (ent[i+1].hash & ~1);
+ if ((i+1) < count)
+ dx_db->node_max_hash =
+ ext2fs_le32_to_cpu(ent[i+1].hash) & ~1;
else {
dx_db->node_max_hash = 0xfffffffe;
dx_db->flags |= DX_FLAG_LAST;
dx_db = &dx_dir->dx_block[db->blockcnt];
dx_db->min_hash = min_hash;
dx_db->max_hash = max_hash;
+ return;
+
+clear_and_exit:
+ clear_htree(cd->ctx, cd->pctx.ino);
+ dx_dir->numblocks = 0;
+ e2fsck_rehash_dir_later(cd->ctx, cd->pctx.ino);
}
#endif /* ENABLE_HTREE */
+/*
+ * 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,
+ unsigned int *offset)
+{
+ char *cp = (char *) dirent;
+ int left;
+ unsigned int rec_len, prev_rec_len;
+ unsigned int name_len = ext2fs_dirent_name_len(dirent);
+
+ (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) && (rec_len == 8)) {
+ memmove(cp, cp+8, left);
+ memset(cp + left, 0, 8);
+ return;
+ }
+ /*
+ * If the directory entry overruns the end of the directory
+ * block, and the name is small enough to fit, then adjust the
+ * record length.
+ */
+ if ((left < 0) &&
+ ((int) rec_len + left > 8) &&
+ ((int) name_len + 8 <= (int) rec_len + left) &&
+ dirent->inode <= fs->super->s_inodes_count &&
+ strnlen(dirent->name, name_len) == name_len) {
+ (void) ext2fs_set_rec_len(fs, (int) rec_len + left, dirent);
+ return;
+ }
+ /*
+ * 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 && 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;
+ }
+ /*
+ * Default salvage method --- kill all of the directory
+ * entries for the rest of the block. We will either try to
+ * absorb it into the previous directory entry, or create a
+ * new empty directory entry the rest of the directory block.
+ */
+ if (prev) {
+ (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 {
+ rec_len = fs->blocksize - *offset;
+ (void) ext2fs_set_rec_len(fs, rec_len, dirent);
+ ext2fs_dirent_set_name_len(dirent, 0);
+ ext2fs_dirent_set_file_type(dirent, EXT2_FT_UNKNOWN);
+ dirent->inode = 0;
+ }
+}
+
static int check_dir_block(ext2_filsys fs,
- struct ext2_db_entry *db,
+ struct ext2_db_entry2 *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;
+ struct ext2_dir_entry *dirent, *prev;
ext2_dirhash_t hash;
- int offset = 0;
+ unsigned int offset = 0;
int dir_modified = 0;
int dot_state;
- blk_t block_nr = db->blk;
+ unsigned int rec_len;
+ blk64_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;
e2fsck_t ctx;
- int problem;
+ problem_t 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;
+ int dx_csum_size = 0, de_csum_size = 0;
+ int failed_csum = 0;
+ int is_leaf = 1;
cd = (struct check_dir_struct *) priv_data;
buf = cd->buf;
ctx = cd->ctx;
- if (ctx->progress)
- if ((ctx->progress)(ctx, 2, cd->count++, cd->max))
- return DIRENT_ABORT;
-
+ 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;
+
+ if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) {
+ dx_csum_size = sizeof(struct ext2_dx_tail);
+ de_csum_size = sizeof(struct ext2_dir_entry_tail);
+ }
+
/*
- * 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_bitmap2(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
-
- cd->pctx.errcode = ext2fs_read_dir_block(fs, block_nr, buf);
+
+ ehandler_operation(_("reading directory block"));
+ cd->pctx.errcode = ext2fs_read_dir_block4(fs, block_nr, buf, 0, ino);
+ ehandler_operation(0);
if (cd->pctx.errcode == EXT2_ET_DIR_CORRUPTED)
cd->pctx.errcode = 0; /* We'll handle this ourselves */
+ else if (cd->pctx.errcode == EXT2_ET_DIR_CSUM_INVALID) {
+ cd->pctx.errcode = 0; /* We'll handle this ourselves */
+ failed_csum = 1;
+ }
if (cd->pctx.errcode) {
+ char *buf2;
if (!fix_problem(ctx, PR_2_READ_DIRBLOCK, &cd->pctx)) {
ctx->flags |= E2F_FLAG_ABORT;
return DIRENT_ABORT;
}
- memset(buf, 0, fs->blocksize);
+ ext2fs_new_dir_block(fs, db->blockcnt == 0 ? ino : 0,
+ EXT2_ROOT_INO, &buf2);
+ memcpy(buf, buf2, fs->blocksize);
+ ext2fs_free_mem(&buf2);
}
#ifdef ENABLE_HTREE
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;
- /*
- * XXX we need to check to make sure the root
- * directory block is actually valid!
- */
+ (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);
dx_db->type = DX_DIRBLOCK_ROOT;
dx_db->flags |= DX_FLAG_FIRST | DX_FLAG_LAST;
+ if ((root->reserved_zero ||
+ root->info_length < 8 ||
+ root->indirect_levels > 1) &&
+ fix_problem(ctx, PR_2_HTREE_BAD_ROOT, &cd->pctx)) {
+ 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) &&
+ (ext2fs_dirent_name_len(dirent) == 0) &&
+ (ext2fs_le16_to_cpu(limit->limit) ==
+ ((fs->blocksize - (8 + dx_csum_size)) /
+ sizeof(struct ext2_dx_entry))))
dx_db->type = DX_DIRBLOCK_NODE;
+ is_leaf = 0;
}
+out_htree:
#endif /* ENABLE_HTREE */
+ /* Verify checksum. */
+ if (is_leaf && de_csum_size) {
+ /* No space for csum? Rebuild dirs in pass 3A. */
+ if (!ext2fs_dirent_has_tail(fs, (struct ext2_dir_entry *)buf)) {
+ de_csum_size = 0;
+ if (e2fsck_dir_will_be_rehashed(ctx, ino))
+ goto skip_checksum;
+ if (!fix_problem(cd->ctx, PR_2_LEAF_NODE_MISSING_CSUM,
+ &cd->pctx))
+ goto skip_checksum;
+ e2fsck_rehash_dir_later(ctx, ino);
+ goto skip_checksum;
+ }
+ if (failed_csum) {
+ char *buf2;
+ if (!fix_problem(cd->ctx, PR_2_LEAF_NODE_CSUM_INVALID,
+ &cd->pctx))
+ goto skip_checksum;
+ ext2fs_new_dir_block(fs,
+ db->blockcnt == 0 ? ino : 0,
+ EXT2_ROOT_INO, &buf2);
+ memcpy(buf, buf2, fs->blocksize);
+ ext2fs_free_mem(&buf2);
+ dir_modified++;
+ failed_csum = 0;
+ }
+ }
+ /* htree nodes don't use fake dirents to store checksums */
+ if (!is_leaf)
+ de_csum_size = 0;
+
+skip_checksum:
+ dict_init(&de_dict, DICTCOUNT_T_MAX, dict_de_cmp);
+ prev = 0;
do {
- dot_state++;
+ dgrp_t group;
+ ext2_ino_t first_unused_inode;
+ unsigned int name_len;
+
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) ||
+ ((ext2fs_dirent_name_len(dirent) + 8) > rec_len)) {
if (fix_problem(ctx, PR_2_DIR_CORRUPTED, &cd->pctx)) {
- dirent->rec_len = fs->blocksize - offset;
- dirent->name_len = 0;
- dirent->inode = 0;
+ salvage_directory(fs, dirent, prev, &offset);
dir_modified++;
+ continue;
} else
- return DIRENT_ABORT;
- }
- if ((dirent->name_len & 0xFF) > EXT2_NAME_LEN) {
- if (fix_problem(ctx, PR_2_FILENAME_LONG, &cd->pctx)) {
- dirent->name_len = EXT2_NAME_LEN;
- dir_modified++;
- }
+ goto abort_free_dict;
}
- if (dot_state == 1) {
+ if (dot_state == 0) {
if (check_dot(ctx, dirent, ino, &cd->pctx))
dir_modified++;
- } else if (dot_state == 2) {
- 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))
+ } else if (dot_state == 1) {
+ 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.
- */
+ */
+ name_len = ext2fs_dirent_name_len(dirent);
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,
+ (ext2fs_test_inode_bitmap2(ctx->inode_bb_map,
dirent->inode))) {
/*
* If the inode is in a bad block, offer to
* clear it.
*/
problem = PR_2_BB_INODE;
- } else if ((dot_state > 2) &&
- ((dirent->name_len & 0xFF) == 1) &&
+ } else if ((dot_state > 1) && (name_len == 1) &&
(dirent->name[0] == '.')) {
/*
* If there's a '.' entry in anything other
* duplicate entry that should be removed.
*/
problem = PR_2_DUP_DOT;
- } else if ((dot_state > 2) &&
- ((dirent->name_len & 0xFF) == 2) &&
- (dirent->name[0] == '.') &&
+ } else if ((dot_state > 1) && (name_len == 2) &&
+ (dirent->name[0] == '.') &&
(dirent->name[1] == '.')) {
/*
* If there's a '..' entry in anything other
* duplicate entry that should be removed.
*/
problem = PR_2_DUP_DOT_DOT;
- } else if ((dot_state > 2) &&
+ } else if ((dot_state > 1) &&
(dirent->inode == EXT2_ROOT_INO)) {
/*
* Don't allow links to the root directory.
* directory hasn't been created yet.
*/
problem = PR_2_LINK_ROOT;
- } else if ((dot_state > 2) &&
- (dirent->name_len & 0xFF) == 0) {
+ } else if ((dot_state > 1) && (name_len == 0)) {
/*
* Don't allow zero-length directory names.
*/
* pathname to the user.)
*/
if (ctx->inode_bad_map &&
- ext2fs_test_inode_bitmap(ctx->inode_bad_map,
+ ext2fs_test_inode_bitmap2(ctx->inode_bad_map,
dirent->inode)) {
if (e2fsck_process_bad_inode(ctx, ino,
dirent->inode,
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 -
+ ext2fs_bg_itable_unused(fs, group);
+ 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 (ext2fs_bg_flags_test(fs, group, EXT2_BG_INODE_UNINIT)) {
+ pctx.num = dirent->inode;
+ if (fix_problem(ctx, PR_2_INOREF_BG_INO_UNINIT,
+ &cd->pctx)){
+ ext2fs_bg_flags_clear(fs, group,
+ 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)){
+ ext2fs_bg_itable_unused_set(fs, group, 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;
+ }
+ }
+
+ /*
+ * Offer to clear unused inodes; if we are going to be
+ * restarting the scan due to bg_itable_unused being
+ * wrong, then don't clear any inodes to avoid zapping
+ * inodes that were skipped during pass1 due to an
+ * incorrect bg_itable_unused; we'll get any real
+ * problems after we restart.
+ */
+ if (!(ctx->flags & E2F_FLAG_RESTART_LATER) &&
+ !(ext2fs_test_inode_bitmap2(ctx->inode_used_map,
+ dirent->inode)))
+ 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++;
#ifdef ENABLE_HTREE
if (dx_db) {
ext2fs_dirhash(dx_dir->hashversion, dirent->name,
- (dirent->name_len & 0xFF),
+ ext2fs_dirent_name_len(dirent),
fs->super->s_hash_seed, &hash, 0);
if (hash < dx_db->min_hash)
dx_db->min_hash = hash;
* hard link. We assume the first link is correct,
* and ask the user if he/she wants to clear this one.
*/
- if ((dot_state > 2) &&
- (ext2fs_test_inode_bitmap(ctx->inode_dir_map,
+ if ((dot_state > 1) &&
+ (ext2fs_test_inode_bitmap2(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);
+ e2fsck_rehash_dir_later(ctx, 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_links_count++;
ctx->fs_total_count++;
next:
- offset += dirent->rec_len;
- } while (offset < fs->blocksize);
+ prev = dirent;
+ if (dir_modified)
+ (void) ext2fs_get_rec_len(fs, dirent, &rec_len);
+ offset += rec_len;
+ dot_state++;
+ } while (offset < fs->blocksize - de_csum_size);
#if 0
printf("\n");
#endif
db->blockcnt, dx_db->type,
dx_db->min_hash, dx_db->max_hash);
#endif
+ cd->pctx.dir = cd->pctx.ino;
if ((dx_db->type == DX_DIRBLOCK_ROOT) ||
(dx_db->type == DX_DIRBLOCK_NODE))
- parse_int_node(fs, db, cd, dx_dir, buf);
+ parse_int_node(fs, db, cd, dx_dir, buf, failed_csum);
}
#endif /* ENABLE_HTREE */
- if (offset != fs->blocksize) {
- cd->pctx.num = dirent->rec_len - fs->blocksize + offset;
+
+ if (offset != fs->blocksize - de_csum_size) {
+ cd->pctx.num = rec_len - (fs->blocksize - de_csum_size) +
+ offset;
if (fix_problem(ctx, PR_2_FINAL_RECLEN, &cd->pctx)) {
dirent->rec_len = cd->pctx.num;
dir_modified++;
}
}
if (dir_modified) {
- cd->pctx.errcode = ext2fs_write_dir_block(fs, block_nr, buf);
+ /* leaf block with no tail? Rehash dirs later. */
+ if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) &&
+ is_leaf &&
+ !ext2fs_dirent_has_tail(fs, (struct ext2_dir_entry *)buf))
+ e2fsck_rehash_dir_later(ctx, ino);
+
+write_and_fix:
+ if (e2fsck_dir_will_be_rehashed(ctx, ino))
+ ctx->fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
+ cd->pctx.errcode = ext2fs_write_dir_block4(fs, block_nr, buf,
+ 0, ino);
+ if (e2fsck_dir_will_be_rehashed(ctx, ino))
+ ctx->fs->flags &= ~EXT2_FLAG_IGNORE_CSUM_ERRORS;
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);
+ } else if (is_leaf && failed_csum && !dir_modified) {
+ /*
+ * If a leaf node that fails csum makes it this far without
+ * alteration, ask the user if the checksum should be fixed.
+ */
+ if (fix_problem(ctx, PR_2_LEAF_NODE_ONLY_CSUM_INVALID,
+ &cd->pctx))
+ goto write_and_fix;
}
+ dict_free_nodes(&de_dict);
return 0;
+abort_free_dict:
+ ctx->flags |= E2F_FLAG_ABORT;
+ dict_free_nodes(&de_dict);
+ return DIRENT_ABORT;
}
+struct del_block {
+ e2fsck_t ctx;
+ e2_blkcnt_t num;
+};
+
/*
* This function is called to deallocate a block, and is an interator
* functioned called by deallocate inode via ext2fs_iterate_block().
*/
static int deallocate_inode_block(ext2_filsys fs,
- blk_t *block_nr,
- e2_blkcnt_t blockcnt,
- blk_t ref_block,
- int ref_offset,
+ blk64_t *block_nr,
+ e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
+ blk64_t ref_block EXT2FS_ATTR((unused)),
+ int ref_offset EXT2FS_ATTR((unused)),
void *priv_data)
{
- e2fsck_t ctx = (e2fsck_t) priv_data;
-
+ struct del_block *p = priv_data;
+
if (HOLE_BLKADDR(*block_nr))
return 0;
- ext2fs_unmark_block_bitmap(ctx->block_found_map, *block_nr);
- ext2fs_unmark_block_bitmap(fs->block_map, *block_nr);
+ if ((*block_nr < fs->super->s_first_data_block) ||
+ (*block_nr >= ext2fs_blocks_count(fs->super)))
+ return 0;
+ ext2fs_unmark_block_bitmap2(p->ctx->block_found_map, *block_nr);
+ ext2fs_block_alloc_stats2(fs, *block_nr, -1);
+ p->num++;
return 0;
}
-
+
/*
* This fuction deallocates an inode
*/
ext2_filsys fs = ctx->fs;
struct ext2_inode inode;
struct problem_context pctx;
-
- ext2fs_icount_store(ctx->inode_link_info, ino, 0);
+ __u32 count;
+ struct del_block del_block;
+
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");
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_unmark_inode_bitmap(fs->inode_map, ino);
- ext2fs_mark_ib_dirty(fs);
-
- if (!ext2fs_inode_has_valid_blocks(&inode))
- return;
+ ext2fs_inode_alloc_stats2(fs, ino, -1, LINUX_S_ISDIR(inode.i_mode));
+
+ if (ext2fs_file_acl_block(fs, &inode) &&
+ (fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR)) {
+ pctx.errcode = ext2fs_adjust_ea_refcount3(fs,
+ ext2fs_file_acl_block(fs, &inode),
+ block_buf, -1, &count, ino);
+ if (pctx.errcode == EXT2_ET_BAD_EA_BLOCK_NUM) {
+ pctx.errcode = 0;
+ count = 1;
+ }
+ if (pctx.errcode) {
+ pctx.blk = ext2fs_file_acl_block(fs, &inode);
+ fix_problem(ctx, PR_2_ADJ_EA_REFCOUNT, &pctx);
+ ctx->flags |= E2F_FLAG_ABORT;
+ return;
+ }
+ if (count == 0) {
+ ext2fs_unmark_block_bitmap2(ctx->block_found_map,
+ ext2fs_file_acl_block(fs, &inode));
+ ext2fs_block_alloc_stats2(fs,
+ ext2fs_file_acl_block(fs, &inode), -1);
+ }
+ ext2fs_file_acl_block_set(fs, &inode, 0);
+ }
+
+ if (!ext2fs_inode_has_valid_blocks2(fs, &inode))
+ goto clear_inode;
if (LINUX_S_ISREG(inode.i_mode) &&
- (inode.i_size_high || inode.i_size & 0x80000000UL))
+ ext2fs_needs_large_file_feature(EXT2_I_SIZE(&inode)))
ctx->large_files--;
- if (inode.i_file_acl) {
- ext2fs_unmark_block_bitmap(ctx->block_found_map,
- inode.i_file_acl);
- ext2fs_unmark_block_bitmap(fs->block_map, inode.i_file_acl);
- }
-
- ext2fs_mark_bb_dirty(fs);
- pctx.errcode = ext2fs_block_iterate2(fs, ino, 0, block_buf,
- deallocate_inode_block, ctx);
+ del_block.ctx = ctx;
+ del_block.num = 0;
+ pctx.errcode = ext2fs_block_iterate3(fs, ino, 0, block_buf,
+ deallocate_inode_block,
+ &del_block);
if (pctx.errcode) {
fix_problem(ctx, PR_2_DEALLOC_INODE, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
return;
}
+clear_inode:
+ /* Inode may have changed by block_iterate, so reread it */
+ e2fsck_read_inode(ctx, ino, &inode, "deallocate_inode");
+ e2fsck_clear_inode(ctx, ino, &inode, 0, "deallocate_inode");
}
/*
static void clear_htree(e2fsck_t ctx, ext2_ino_t ino)
{
struct ext2_inode inode;
- struct problem_context pctx;
-
+
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");
+ if (ctx->dirs_to_hash)
+ ext2fs_u32_list_add(ctx->dirs_to_hash, ino);
}
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;
+ problem_t problem = 0;
e2fsck_read_inode(ctx, ino, &inode, "process_bad_inode");
pctx.dir = dir;
pctx.inode = &inode;
+ if (ext2fs_file_acl_block(fs, &inode) &&
+ !(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR)) {
+ if (fix_problem(ctx, PR_2_FILE_ACL_ZERO, &pctx)) {
+ ext2fs_file_acl_block_set(fs, &inode, 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) &&
!(LINUX_S_ISSOCK(inode.i_mode)))
problem = PR_2_BAD_MODE;
else if (LINUX_S_ISCHR(inode.i_mode)
- && !e2fsck_pass1_check_device_inode(&inode))
+ && !e2fsck_pass1_check_device_inode(fs, &inode))
problem = PR_2_BAD_CHAR_DEV;
else if (LINUX_S_ISBLK(inode.i_mode)
- && !e2fsck_pass1_check_device_inode(&inode))
+ && !e2fsck_pass1_check_device_inode(fs, &inode))
problem = PR_2_BAD_BLOCK_DEV;
else if (LINUX_S_ISFIFO(inode.i_mode)
- && !e2fsck_pass1_check_device_inode(&inode))
+ && !e2fsck_pass1_check_device_inode(fs, &inode))
problem = PR_2_BAD_FIFO;
else if (LINUX_S_ISSOCK(inode.i_mode)
- && !e2fsck_pass1_check_device_inode(&inode))
+ && !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 (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++;
+
+ 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 (ext2fs_file_acl_block(fs, &inode) &&
+ ((ext2fs_file_acl_block(fs, &inode) < fs->super->s_first_data_block) ||
+ (ext2fs_file_acl_block(fs, &inode) >= ext2fs_blocks_count(fs->super)))) {
+ if (fix_problem(ctx, PR_2_FILE_ACL_BAD, &pctx)) {
+ ext2fs_file_acl_block_set(fs, &inode, 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_bitmap2(ctx->inode_bad_map, ino);
return 0;
}
* that was zeroed out and now needs to be replaced.
*/
static int allocate_dir_block(e2fsck_t ctx,
- struct ext2_db_entry *db,
- char *buf, struct problem_context *pctx)
+ struct ext2_db_entry2 *db,
+ char *buf EXT2FS_ATTR((unused)),
+ struct problem_context *pctx)
{
ext2_filsys fs = ctx->fs;
- blk_t blk;
+ blk64_t blk;
char *block;
struct ext2_inode inode;
* them.
*/
e2fsck_read_bitmaps(ctx);
-
+
/*
* First, find a free block
*/
- pctx->errcode = ext2fs_new_block(fs, 0, ctx->block_found_map, &blk);
+ pctx->errcode = ext2fs_new_block2(fs, 0, ctx->block_found_map, &blk);
if (pctx->errcode) {
pctx->str = "ext2fs_new_block";
fix_problem(ctx, PR_2_ALLOC_DIRBOCK, pctx);
return 1;
}
- ext2fs_mark_block_bitmap(ctx->block_found_map, blk);
- ext2fs_mark_block_bitmap(fs->block_map, blk);
+ ext2fs_mark_block_bitmap2(ctx->block_found_map, blk);
+ ext2fs_mark_block_bitmap2(fs->block_map, blk);
ext2fs_mark_bb_dirty(fs);
/*
return 1;
}
- pctx->errcode = ext2fs_write_dir_block(fs, blk, block);
- ext2fs_free_mem((void **) &block);
+ pctx->errcode = ext2fs_write_dir_block4(fs, blk, block, 0, db->ino);
+ 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");
* Finally, update the block pointers for the inode
*/
db->blk = blk;
- pctx->errcode = ext2fs_block_iterate2(fs, db->ino, BLOCK_FLAG_HOLE,
- 0, update_dir_block, db);
+ pctx->errcode = ext2fs_bmap2(fs, db->ino, &inode, 0, BMAP_SET,
+ db->blockcnt, 0, &blk);
if (pctx->errcode) {
pctx->str = "ext2fs_block_iterate";
fix_problem(ctx, PR_2_ALLOC_DIRBOCK, pctx);
return 0;
}
-
-/*
- * This is a helper function for allocate_dir_block().
- */
-static int update_dir_block(ext2_filsys fs,
- blk_t *block_nr,
- e2_blkcnt_t blockcnt,
- blk_t ref_block,
- int ref_offset,
- void *priv_data)
-{
- struct ext2_db_entry *db;
-
- db = (struct ext2_db_entry *) priv_data;
- if (db->blockcnt == (int) blockcnt) {
- *block_nr = db->blk;
- return BLOCK_CHANGED;
- }
- return 0;
-}