Re: ped_partition_get_path with LUKS

[Matthias Gehre]

Please consider the following patch to solve the issue.

>From b86d53346776859b80e3709be7519d02cdd81936 Mon Sep 17 00:00:00 2001
From: Matthias Gehre <address@hidden>
Date: Wed, 5 Sep 2012 21:04:40 +0200
Subject: [PATCH] libparted: fix ped_partition_get_path on loop disk labels

---
 libparted/arch/linux.c |    9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/libparted/arch/linux.c b/libparted/arch/linux.c
index e2c4139..9bd1acc 100644
--- a/libparted/arch/linux.c
+++ b/libparted/arch/linux.c
@@ -2231,6 +2231,12 @@ _device_get_part_path (PedDevice *dev, int num)
         size_t path_len = strlen (dev->path);

         char *result;
+        PedDisk* disk = ped_disk_new(dev);
+
+        if( disk && !strcmp(disk->type->name, "loop") ) {
+                /* partition on loop disk label _is_ the device */
+                result = strdup(dev->path);
+        } else
         /* Check for devfs-style /disc => /partN transformation
            unconditionally; the system might be using udev with devfs rules,
            and if not the test is harmless. */
@@ -2247,6 +2253,9 @@ _device_get_part_path (PedDevice *dev, int num)
                 result = zasprintf ("%s%s%d", dev->path, p, num);
         }

+        if(disk)
+                ped_disk_destroy(disk);
+
         return result;
 }

-- 
1.7.9.5