static void list_bad_blocks(ext2_filsys fs, int dump)
{
badblocks_list bb_list = 0;
badblocks_iterate bb_iter;
blk_t blk;
errcode_t retval;
const char *header, *fmt;
retval = ext2fs_read_bb_inode(fs, &bb_list);
if (retval) {
com_err("ext2fs_read_bb_inode", retval, 0);
return;
}
retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
if (retval) {
com_err("ext2fs_badblocks_list_iterate_begin", retval,
"%s", _("while printing bad block list"));
return;
}
if (dump) {
header = fmt = "%u\n";
} else {
header = _("Bad blocks: %u");
fmt = ", %u";
}
while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) {
printf(header ? header : fmt, blk);
header = 0;
}
ext2fs_badblocks_list_iterate_end(bb_iter);
if (!dump)
fputc('\n', stdout);
ext2fs_badblocks_list_free(bb_list);
}
static void print_list(badblocks_list bb, int verify)
{
errcode_t retval;
badblocks_iterate iter;
blk_t blk;
int i, ok;
retval = ext2fs_badblocks_list_iterate_begin(bb, &iter);
if (retval) {
com_err("print_list", retval, "while setting up iterator");
return;
}
ok = i = 1;
while (ext2fs_badblocks_list_iterate(iter, &blk)) {
printf("%d ", blk);
if (i++ != blk)
ok = 0;
}
ext2fs_badblocks_list_iterate_end(iter);
if (verify) {
if (ok)
printf("--- OK");
else {
printf("--- NOT OK");
test_fail++;
}
}
}
/*
* This routine reports a new bad block. If the bad block has already
* been seen before, then it returns 0; otherwise it returns 1.
*/
static int bb_output (blk_t bad, enum error_types error_type)
{
errcode_t errcode;
if (ext2fs_badblocks_list_test(bb_list, bad))
return 0;
fprintf(out, "%lu\n", (unsigned long) bad);
fflush(out);
errcode = ext2fs_badblocks_list_add (bb_list, bad);
if (errcode) {
com_err (program_name, errcode, "adding to in-memory bad block list");
exit (1);
}
/* kludge:
increment the iteration through the bb_list if
an element was just added before the current iteration
position. This should not cause next_bad to change. */
if (bb_iter && bad < next_bad)
ext2fs_badblocks_list_iterate (bb_iter, &next_bad);
if (error_type == READ_ERROR) {
num_read_errors++;
} else if (error_type == WRITE_ERROR) {
num_write_errors++;
} else if (error_type == CORRUPTION_ERROR) {
num_corruption_errors++;
}
return 1;
}
static int set_bad_block_proc(ext2_filsys fs, blk_t *block_nr,
e2_blkcnt_t blockcnt,
blk_t ref_block EXT2FS_ATTR((unused)),
int ref_offset EXT2FS_ATTR((unused)),
void *priv_data)
{
struct set_badblock_record *rec = (struct set_badblock_record *)
priv_data;
errcode_t retval;
blk_t blk;
if (blockcnt >= 0) {
/*
* Get the next bad block.
*/
if (!ext2fs_badblocks_list_iterate(rec->bb_iter, &blk))
return BLOCK_ABORT;
rec->bad_block_count++;
} else {
/*
* An indirect block; fetch a block from the
* previously used indirect block list. The block
* most be not marked as used; if so, get another one.
* If we run out of reserved indirect blocks, allocate
* a new one.
*/
retry:
if (rec->ind_blocks_ptr < rec->ind_blocks_size) {
blk = rec->ind_blocks[rec->ind_blocks_ptr++];
if (ext2fs_test_block_bitmap(fs->block_map, blk))
goto retry;
} else {
retval = ext2fs_new_block(fs, 0, 0, &blk);
if (retval) {
rec->err = retval;
return BLOCK_ABORT;
}
}
retval = io_channel_write_blk(fs->io, blk, 1, rec->block_buf);
if (retval) {
rec->err = retval;
return BLOCK_ABORT;
}
}
/*
* Update block counts
*/
ext2fs_block_alloc_stats(fs, blk, +1);
*block_nr = blk;
return BLOCK_CHANGED;
}
errcode_t ext2fs_write_bb_FILE(ext2_badblocks_list bb_list,
unsigned int flags EXT2FS_ATTR((unused)),
FILE *f)
{
badblocks_iterate bb_iter;
blk_t blk;
errcode_t retval;
retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
if (retval)
return retval;
while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) {
fprintf(f, "%u\n", blk);
}
ext2fs_badblocks_list_iterate_end(bb_iter);
return 0;
}
/*
* This routine reports a new bad block. If the bad block has already
* been seen before, then it returns 0; otherwise it returns 1.
*/
static int bb_output (unsigned long bad)
{
errcode_t errcode;
if (ext2fs_badblocks_list_test(bb_list, bad))
return 0;
fprintf (out, "%lu\n", bad);
errcode = ext2fs_badblocks_list_add (bb_list, bad);
if (errcode) {
com_err (program_name, errcode, "adding to in-memory bad block list");
exit (1);
}
/* kludge:
increment the iteration through the bb_list if
an element was just added before the current iteration
position. This should not cause next_bad to change. */
if (bb_iter && bad < next_bad)
ext2fs_badblocks_list_iterate (bb_iter, &next_bad);
return 1;
}
static void handle_bad_blocks(ext2_filsys fs, badblocks_list bb_list)
{
dgrp_t i;
blk_t j;
unsigned must_be_good;
blk_t blk;
badblocks_iterate bb_iter;
errcode_t retval;
blk_t group_block;
int group;
int group_bad;
if (!bb_list)
return;
/*
* The primary superblock and group descriptors *must* be
* good; if not, abort.
*/
must_be_good = fs->super->s_first_data_block + 1 + fs->desc_blocks;
for (i = fs->super->s_first_data_block; i <= must_be_good; i++) {
if (ext2fs_badblocks_list_test(bb_list, i)) {
fprintf(stderr, _("Block %d in primary "
"superblock/group descriptor area bad.\n"), i);
fprintf(stderr, _("Blocks %u through %d must be good "
"in order to build a filesystem.\n"),
fs->super->s_first_data_block, must_be_good);
fputs(_("Aborting....\n"), stderr);
exit(1);
}
}
/*
* See if any of the bad blocks are showing up in the backup
* superblocks and/or group descriptors. If so, issue a
* warning and adjust the block counts appropriately.
*/
group_block = fs->super->s_first_data_block +
fs->super->s_blocks_per_group;
for (i = 1; i < fs->group_desc_count; i++) {
group_bad = 0;
for (j=0; j < fs->desc_blocks+1; j++) {
if (ext2fs_badblocks_list_test(bb_list,
group_block + j)) {
if (!group_bad)
fprintf(stderr,
_("Warning: the backup superblock/group descriptors at block %u contain\n"
" bad blocks.\n\n"),
group_block);
group_bad++;
group = ext2fs_group_of_blk(fs, group_block+j);
fs->group_desc[group].bg_free_blocks_count++;
fs->super->s_free_blocks_count++;
}
}
group_block += fs->super->s_blocks_per_group;
}
/*
* Mark all the bad blocks as used...
*/
retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
if (retval) {
com_err("ext2fs_badblocks_list_iterate_begin", retval,
_("while marking bad blocks as used"));
exit(1);
}
while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
ext2fs_mark_block_bitmap(fs->block_map, blk);
ext2fs_badblocks_list_iterate_end(bb_iter);
}
int badblocks_list_iterate(badblocks_iterate iter, blk_t *blk)
{
return ext2fs_badblocks_list_iterate(iter, blk);
}