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Make --metadata work with the new $Logfile checking code. 

Save at least the first 16 KiB of $Logfile (the two RSTR records
should always be included if present). Save also records used for
checking empty $Logfile. (Szaka)

(Logical change 1.691)
edge.strict_endians
elisa-laajakaista.fi!szaka 2005-03-05 19:08:57 +00:00
parent defa17062c
commit c5f5dfb4c3
1 changed files with 27 additions and 2 deletions
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29
ntfsprogs/ntfsclone.c
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@ -422,8 +422,8 @@ static s64 is_critical_metadata(ntfs_walk_clusters_ctx *image, runlist *rl)
if (image->ctx->attr->type == AT_DATA) {
/* Save at least the first 8 KiB of FILE_LogFile */
s64 s = (s64)8192 - rl->vcn * vol->cluster_size;
/* Save at least the first 16 KiB of FILE_LogFile */
s64 s = (s64)16384 - rl->vcn * vol->cluster_size;
if (s > 0) {
s = rounded_up_division(s, vol->cluster_size);
if (rl->length < s)
@ -699,6 +699,27 @@ static void wipe_resident_data(ntfs_walk_clusters_ctx *image)
wiped_resident_data += n;
}
static void clone_logfile_parts(ntfs_walk_clusters_ctx *image, runlist *rl)
{
s64 offset = 0, lcn, vcn;
while (1) {
vcn = offset / image->ni->vol->cluster_size;
lcn = ntfs_rl_vcn_to_lcn(rl, vcn);
if (lcn < 0)
break;
lseek_to_cluster(lcn);
copy_cluster();
if (offset == 0)
offset = NTFS_BLOCK_SIZE >> 1;
else
offset <<= 1;
}
}
static void walk_runs(struct ntfs_walk_cluster *walk)
{
int i, j;
@ -747,6 +768,10 @@ static void walk_runs(struct ntfs_walk_cluster *walk)
walk->image->inuse += lcn_length;
}
if (!wipe && !opt.std_out && opt.metadata_only &&
walk->image->ni->mft_no == FILE_LogFile &&
walk->image->ctx->attr->type == AT_DATA)
clone_logfile_parts(walk->image, rl);
free(rl);
}