1 files changed, 30 insertions, 0 deletions
diff --git a/perl-install/fs/dmcrypt.pm b/perl-install/fs/dmcrypt.pm
index 0cb73a848..f26bad391 100644
--- a/perl-install/fs/dmcrypt.pm
+++ b/perl-install/fs/dmcrypt.pm
@@ -11,8 +11,22 @@ use fs::type;
 use fs::get;
 use run_program;
 
+=head1 SYNOPSYS
+
+Manage encrypted file systems using cryptsetup
+
+=over
+
+=cut
+
 sub _crypttab() { "$::prefix/etc/crypttab" }
 
+=item init()
+
+Load kernel modules and init device mapper.
+
+=cut
+
 sub init() {
     whereis_binary('cryptsetup') or die "cryptsetup not installed";
 
@@ -44,6 +58,12 @@ sub read_crypttab_ {
     }
 }
 
+=item read_crypttab($all_hds)
+
+Read /etc/crypttab
+
+=cut
+
 sub read_crypttab {
     my ($all_hds) = @_;
     read_crypttab_($all_hds, _crypttab());
@@ -67,6 +87,12 @@ sub save_crypttab_ {
     } $crypttab;
 }
 
+=item save_crypttab($all_hds)
+
+Save /etc/crypttab
+
+=cut
+
 sub save_crypttab {
     my ($all_hds) = @_;
     save_crypttab_($all_hds, _crypttab());
@@ -176,4 +202,8 @@ sub active_dm() {
     } run_program::get_stdout('dmsetup', 'table');
 }
 
+=back
+
+=cut
+
 1;