my $fh;
+ my $sparse = '';
+
+ # no sparse file scan for block devices
+ # no sparse file scan when we use compression
+ # but we enable it for files
+
my @filea = ($conffile, 'qemu-server.conf'); # always first file in tar
foreach my $di (@{$task->{disks}}) {
+ $sparse = '-s' if !$comp && $di->{type} eq 'file';
if ($di->{type} eq 'block' || $di->{type} eq 'file') {
push @filea, $di->{snappath}, $di->{filename};
} else {
my $files = join (' ', map { "'$_'" } @filea);
- my $cmd = "/usr/lib/qemu-server/vmtar $files";
+ my $cmd = "/usr/lib/qemu-server/vmtar $sparse $files";
my $bwl = $opts->{bwlimit}*1024; # bandwidth limit for cstream
$cmd .= "|cstream -t $bwl" if $opts->{bwlimit};
$cmd .= "|$comp" if $comp;
/*
- Copyright (C) 2007-2009 Proxmox Server Solutions GmbH
+ Copyright (C) 2007-2012 Proxmox Server Solutions GmbH
Copyright: vzdump is under GNU GPL, the GNU General Public License.
main (int argc, char **argv)
{
struct sigaction sa;
+ int sparse = 0;
while (1) {
int option_index = 0;
static struct option long_options[] = {
+ {"sparse", 0, 0, 's'},
{"output", 1, 0, 'o'},
{0, 0, 0, 0}
};
- char c = getopt_long (argc, argv, "o:", long_options, &option_index);
+ char c = getopt_long (argc, argv, "so:", long_options, &option_index);
if (c == -1)
break;
switch (c) {
+ case 's':
+ sparse = 1;
+ break;
case 'o':
outname = optarg;
break;
time_t ctime = fs.st_mtime;
struct sp_array *ma = sparray_new();
- if (!scan_sparse_file (fd, ma)) {
- fprintf (stderr, "scanning '%s' failed\n", source);
- exit (-1);
+ if (sparse) {
+ if (!scan_sparse_file (fd, ma)) {
+ fprintf (stderr, "scanning '%s' failed\n", source);
+ exit (-1);
+ }
+ } else {
+ off_t file_size = fs.st_size;
+ sparray_add (ma, 0, file_size);
+ ma->real_size = file_size;
+ ma->effective_size = file_size;
}
dump_header (wbuf, archivename, ctime, ma);