diff options
| -rw-r--r-- | perl-install/loopback.pm | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/perl-install/loopback.pm b/perl-install/loopback.pm index 73a00f94a..24c519ecb 100644 --- a/perl-install/loopback.pm +++ b/perl-install/loopback.pm @@ -77,9 +77,12 @@ sub create { log::l("creating loopback file $f ($part->{size} sectors)"); local *F; + my $block_size = 128; + my $s = "\0" x (512 * $block_size); sysopen F, $f, 2 | c::O_CREAT() or die "failed to create loopback file"; - sysseek F, ($part->{size} << 9) - 1, 0 or die "failed to create loopback file"; - syswrite F, "\0" or die "failed to create loopback file"; + for (my $i = 0; $i < $part->{size}; $i += $block_size) { + syswrite F, $s or die "failed to create loopback file"; + } } sub getFree { |