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-rw-r--r--perl-install/devices.pm13
1 files changed, 13 insertions, 0 deletions
diff --git a/perl-install/devices.pm b/perl-install/devices.pm
index 5ebee431e..61d6bd4c7 100644
--- a/perl-install/devices.pm
+++ b/perl-install/devices.pm
@@ -35,6 +35,18 @@ sub size($) {
$low + 1;
}
+sub set_loop {
+ my ($file) = @_;
+
+ foreach (0..9) {
+ local *F;
+ my $dev = devices::make("loop$_");
+ sysopen F, $dev, 0 or next;
+ !ioctl(F, c::LOOP_GET_STATUS(), my $tmp) && $! == 6 or next; #- 6 == ENXIO
+ return c::set_loop(fileno F, $file) && $dev;
+ }
+}
+
sub make($) {
local $_ = my $file = $_[0];
my ($type, $major, $minor);
@@ -79,6 +91,7 @@ sub make($) {
@{ ${{"fd" => [ c::S_IFBLK(), 2, 0 ],
"hidbp-mse-" => [ c::S_IFCHR(), 10, 32 ],
"lp" => [ c::S_IFCHR(), 6, 0 ],
+ "loop" => [ c::S_IFBLK(), 7, 0 ],
"md" => [ c::S_IFBLK(), 9, 0 ],
"nst" => [ c::S_IFCHR(), 9, 128],
"scd" => [ c::S_IFBLK(), 11, 0 ],