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ntfsclone --metadata also saves at least the first 8 KiB of the $LogFile 

(Logical change 1.365)
edge.strict_endians
elisa-laajakaista.fi!szaka 2004-04-14 23:31:11 +00:00
parent 04c554b927
commit 61ea0f59d8
2 changed files with 27 additions and 15 deletions
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2
ChangeLog
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@ -7,6 +7,8 @@ xx/xx/2004 - 1.9.2-WIP
always available. (Yuval)
- Add conditional include of sys/param.h in endians.h which provides
endianness support on Cygwin. (Yuval)
- ntfsclone --metadata also saves at least the first 8 KiB of the
$LogFile (Szaka)
05/04/2004 - 1.9.1 - Make mkntfs create bootable volumes and fixes/updates.
- Update with SuSE 9.1 beta 1 versions of GNU build system.

40
ntfsprogs/ntfsclone.c
View File

@ -77,13 +77,12 @@ struct progress_bar {
float unit;
};
struct __ntfs_walk_clusters_ctx {
typedef struct {
ntfs_inode *ni; /* inode being processed */
ntfs_attr_search_ctx *ctx; /* inode attribute being processed */
s64 inuse; /* number of clusters in use */
};
} ntfs_walk_clusters_ctx;
typedef struct __ntfs_walk_clusters_ctx ntfs_walk_clusters_ctx;
typedef int (ntfs_walk_op)(ntfs_inode *ni, void *data);
struct ntfs_walk_cluster {
@ -349,18 +348,29 @@ static s64 nr_clusters_to_bitmap_byte_size(s64 nr_clusters)
return bm_bsize;
}
static int is_critical_metadata(ntfs_walk_clusters_ctx *image)
static s64 is_critical_metadata(ntfs_walk_clusters_ctx *image, runlist *rl)
{
s64 inode;
inode = image->ni->mft_no;
s64 inode = image->ni->mft_no;
if (inode <= LAST_METADATA_INODE)
if (inode <= LAST_METADATA_INODE) {
if (inode != FILE_LogFile)
return 1;
return rl->length;
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;
if (s > 0) {
s = rounded_up_division(s, vol->cluster_size);
if (rl->length < s)
s = rl->length;
return s;
}
return 0;
}
}
if (image->ctx->attr->type != AT_DATA)
return 1;
return rl->length;
return 0;
}
@ -425,18 +435,18 @@ static void lseek_to_cluster(s64 lcn)
static void dump_clusters(ntfs_walk_clusters_ctx *image, runlist *rl)
{
int i;
s64 i, len; /* number of clusters to copy */
if (opt.std_out)
if (opt.std_out || !opt.metadata_only)
return;
if (!opt.metadata_only || !is_critical_metadata(image))
if (!(len = is_critical_metadata(image, rl)))
return;
lseek_to_cluster(rl->lcn);
/* FIXME: this could give pretty suboptimal performance */
for (i = 0; i < rl->length; i++)
for (i = 0; i < len; i++)
copy_cluster();
}