[PATCH] fix multipath partition naming

[Guido Guenther]

Multipath partitions are named -partX according to the upstream udev
rule:
ENV{DM_STATE}=="ACTIVE", ENV{DM_UUID}=="mpath-*", \
        RUN+="/sbin/kpartx -a -p -part /dev/$kernel"
---
 libparted/arch/linux.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/libparted/arch/linux.c b/libparted/arch/linux.c
index da1c858..22deb9d 100644
--- a/libparted/arch/linux.c
+++ b/libparted/arch/linux.c
@@ -2016,6 +2016,13 @@ _device_get_part_path (PedDevice* dev, int num)
                 /* replace /disc with /path%d */
                 strcpy (result, dev->path);
                 snprintf (result + path_len - 5, 16, "/part%d", num);
+#ifdef ENABLE_DEVICE_MAPPER
+        } else if (dev->type == PED_DEVICE_DM &&
+                   strcmp(dev->dmtype, "multipath") == 0) {
+                /* This is what multipath-tools upstream and Debian uses, it's
+                 * a pure userpace (udev) decision! */
+                snprintf (result, result_len, "%s-part%d", dev->path, num);
+#endif
         } else if (dev->type == PED_DEVICE_DAC960
                         || dev->type == PED_DEVICE_CPQARRAY
                         || dev->type == PED_DEVICE_ATARAID
-- 
1.5.5


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