In present version of testsuite OPAQUE_HIERARCHY variable is ignored, thus 
testsuite is broken in systems where OPAQUE_HIERARCHY is nonempty. The patch 
fix this problem.

Signed-off-by: Ivana Hutarova Varekova <varek...@redhat.com>
---

 tests/runlibcgrouptest.sh |   35 ++++++++++++++++++++++++++++++-----
 1 files changed, 30 insertions(+), 5 deletions(-)

diff --git a/tests/runlibcgrouptest.sh b/tests/runlibcgrouptest.sh
index 847f932..2a7ab3d 100755
--- a/tests/runlibcgrouptest.sh
+++ b/tests/runlibcgrouptest.sh
@@ -15,6 +15,9 @@
 # Description: This script runs the the basic tests for testing libcgroup apis.
 #
 
+# TODO path to config.h have to be set properly
+OPAQUE_HIERARCHY=`grep "OPAQUE_HIERARCHY" ../config.h |\
+        cut -d" " -f3 | sed  's|\"||g'`
 DEBUG=false;           # for debug messages
 FS_MOUNTED=0;          # 0 for not mounted, 1 for mounted, 2 for multimounted
 MOUNTPOINT=/dev/cgroup_controllers;    # Just to initialize
@@ -72,12 +75,32 @@ check_mount_fs ()
 
 umount_fs ()
 {
-       while check_mount_fs
+       PROC_ENTRY_NUMBER=`cat /proc/mounts|grep cgroup | wc -l`;
+       NUMBER=1;
+       #go and remove all ot opaque mount points
+       while [ $PROC_ENTRY_NUMBER -ge $NUMBER ]
        do
+               # Get $NUMBER-th mountpoint in case of multiple mount
                PROC_ENTRY=`cat /proc/mounts|grep cgroup|\
-                                       tr -s [:space:]|cut -d" " -f2`;
-               # Get first mountpoint in case of multiple mounts
-               PROC_ENTRY=`echo $PROC_ENTRY|cut -d" " -f1`;
+                               tr -s [:space:]|cut -d" " -f2 |\
+                               head -n$NUMBER | tail -n1`;
+               # if the hierarchy is opaque skip to next item
+               if [ -n "$OPAQUE_HIERARCHY" ]
+               then
+                       # find whether is the NUMBER-th item opaque
+                       PROC_ENTRY_OPT=`cat /proc/mounts|grep cgroup|\
+                               tr -s [:space:]|cut -d" " -f4 |\
+                               head -n$NUMBER | tail -n1`;
+                       IS_OPAQUE=`echo $PROC_ENTRY_OPT |\
+                               grep $OPAQUE_HIERARCHY`
+                       # if yes skip it to the next item
+                       if [ $? -eq 0 ]
+                       then
+                               let NUMBER=$NUMBER+1
+                               continue
+                       fi;
+               fi;
+               # remove the item
                if [ ! -z "$PROC_ENTRY" ]
                then
                        TARGET=$PROC_ENTRY;
@@ -87,7 +110,9 @@ umount_fs ()
                        rmdir  $TARGET;
                        debug "umounted $TARGET";
                fi;
-       done
+               # go to the next item
+               let NUMBER=$NUMBER+1
+       done;
        FS_MOUNTED=0;
        TARGET=/dev/cgroup_controllers; #??
        echo "Cleanup done";


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