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Check and report bad sectors before cluster allocation check because 

chkdsk doesn't always fix $Bitmap with bad sectors
edge.strict_endians
szaka 2005-10-16 18:50:56 +00:00
parent 48feb16fa9
commit 27a9764d3a
2 changed files with 70 additions and 30 deletions
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4
ChangeLog
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@ -28,7 +28,9 @@ xx/xx/2005 - 1.12.2-WIP
ntfsfix.c::OLD_ntfs_volume_set_flags(). (Anton)
- Fix endianness bugs in ntfsinfo. (Anton)
- Fix endianness bug in libntfs/index.c. (Anton)
- ntfsresize: check and report bad sectors before cluster allocation
check because chkdsk doesn't fix $Bitmap with bad sectors. (Szaka)
10/10/2005 - 1.12.1 - Minor fix to location of mount.ntfs-fuse and mkfs.ntfs.
- Fix hardcoded location for uninstalling mount.ntfs-fuse hardlink to

96
ntfsprogs/ntfsresize.c
View File

@ -692,13 +692,6 @@ static void collect_resize_constraints(ntfs_resize_t *resize, runlist *rl)
if ((ret = has_bad_sectors(resize, 1)) != 0) {
if (ret == -1)
exit(1);
if (NInoAttrList(resize->ni))
err_exit("Hopelessly many bad sectors! Not supported.");
if (resize->badclusters == 0)
printf("WARNING: The disk has bad sector! "
"This can cause reliability problems!\n");
resize->badclusters += last_lcn - rl->lcn + 1;
Vprintf("Bad clusters: %8lld - %lld\n", rl->lcn, last_lcn);
return;
}
@ -1773,7 +1766,7 @@ static void relocate_inodes(ntfs_resize_t *resize)
if (highest_vcn == resize->mft_highest_vcn)
err_exit("Sanity check failed! Highest_vcn = %lld. "
"Please report!", highest_vcn);
"Please report!\n", highest_vcn);
}
done:
if (resize->mrec)
@ -2039,6 +2032,56 @@ static void lookup_data_attr(ntfs_volume *vol,
free(ustr);
}
static int check_bad_sectors(ntfs_volume *vol)
{
ntfs_attr_search_ctx *ctx;
runlist *rl;
s64 i, badclusters = 0;
Vprintf("Checking for bad sectors ...\n");
lookup_data_attr(vol, FILE_BadClus, "$Bad", &ctx);
if (NInoAttrList(ctx->ntfs_ino))
err_exit("Hopelessly many bad sectors! Please report to "
"linux-ntfs@lists.sf.net\n");
if (!ctx->attr->non_resident)
err_exit("Resident attribute in $BadClust! Please report to "
"linux-ntfs@lists.sf.net\n");
if (!(rl = ntfs_mapping_pairs_decompress(vol, ctx->attr, NULL)))
perr_exit("Decompressing $BadClust:$Bad mapping pairs failed");
for (i = 0; rl[i].length; i++) {
/* CHECKME: LCN_RL_NOT_MAPPED check isn't needed */
if (rl[i].lcn == LCN_HOLE || rl[i].lcn == LCN_RL_NOT_MAPPED)
continue;
badclusters += rl[i].length;
Vprintf("Bad cluster: %8lld - %lld\n", rl[i].lcn,
rl[i].lcn + rl[i].length - 1);
}
if (badclusters) {
printf("%sThis software has detected that the disk has at least"
" %lld bad sector%s.\n",
!opt.badsectors ? NERR_PREFIX : "WARNING: ",
badclusters, badclusters - 1 ? "s" : "");
if (!opt.badsectors) {
printf("%s", bad_sectors_warning_msg);
exit(1);
} else
printf("WARNING: Bad sectors can cause reliability "
"problems and massive data loss!!!\n");
}
free(rl);
ntfs_attr_put_search_ctx(ctx);
return badclusters;
}
/**
* truncate_badclust_file
*
@ -2293,17 +2336,6 @@ static void check_resize_constraints(ntfs_resize_t *resize)
{
s64 new_size = resize->new_volume_size;
if (resize->badclusters) {
printf("%sThe NTFS volume has at least %lld bad sector%s.\n",
!opt.badsectors ? NERR_PREFIX : "",
resize->badclusters,
resize->badclusters - 1 ? "s" : "");
if (!opt.badsectors) {
printf("%s", bad_sectors_warning_msg);
exit(1);
}
}
/* FIXME: resize.shrink true also if only -i is used */
if (!resize->shrink)
return;
@ -2412,22 +2444,28 @@ int main(int argc, char **argv)
printf("Nothing to do: NTFS volume size is already OK.\n");
exit(0);
}
memset(&resize, 0, sizeof(resize));
resize.vol = vol;
resize.new_volume_size = new_size;
/* This is also true if --info was used w/o --size (new_size = 0) */
if (new_size < vol->nr_clusters)
resize.shrink = 1;
if (opt.show_progress)
resize.progress.flags |= NTFS_PROGBAR;
/*
* Checking and __reporting__ of bad sectors must be done before cluster
* allocation check because chkdsk doesn't fix $Bitmap's w/ bad sectors
* thus users would (were) quite confused why chkdsk doesn't work.
*/
resize.badclusters = check_bad_sectors(vol);
check_cluster_allocation(vol, &fsck);
print_disk_usage(vol, fsck.inuse);
memset(&resize, 0, sizeof(resize));
resize.new_volume_size = new_size;
resize.inuse = fsck.inuse;
resize.lcn_bitmap = fsck.lcn_bitmap;
resize.vol = vol;
if (opt.show_progress)
resize.progress.flags |= NTFS_PROGBAR;
/* This is also true if --info was used w/o --size (new_size = 0) */
if (new_size < vol->nr_clusters)
resize.shrink = 1;
set_resize_constraints(&resize);
set_disk_usage_constraint(&resize);