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-rw-r--r--perl/lib/Sys/Guestfs.pm10
1 files changed, 10 insertions, 0 deletions
diff --git a/perl/lib/Sys/Guestfs.pm b/perl/lib/Sys/Guestfs.pm
index 09663bc5..36bedd5e 100644
--- a/perl/lib/Sys/Guestfs.pm
+++ b/perl/lib/Sys/Guestfs.pm
@@ -606,6 +606,16 @@ Touch acts like the L<touch(1)> command. It can be used to
update the timestamps on a file, or, if the file does not exist,
to create a new zero-length file.
+=item %superblock = $h->tune2fs_l ($device);
+
+This returns the contents of the ext2 or ext3 filesystem superblock
+on C<device>.
+
+It is the same as running C<tune2fs -l device>. See L<tune2fs(8)>
+manpage for more details. The list of fields returned isn't
+clearly defined, and depends on both the version of C<tune2fs>
+that libguestfs was built against, and the filesystem itself.
+
=item $h->umount ($pathordevice);
This unmounts the given filesystem. The filesystem may be