xfstests: ensure selinux xattrs don't interfere with quota tests

index 5d9c7c0..de0d0fc 100755
@@ -61,6 +61,11 @@ chown $qa_user:$qa_user $SCRATCH_MNT/testfile
 
 repquota -u -g $SCRATCH_MNT  | grep -v "^root" | _filter_scratch
 
+# XXX This is a nasty hack.  remount doesn't work on a fileystem
+# with a context; see https://bugzilla.redhat.com/show_bug.cgi?id=563267
+#
+# We work around it by editing the context out of mtab.  Sigh.
+sed -i "s#^$SCRATCH_DEV\(.*\),context=\"system_u:object_r:nfs_t:s0\"#$SCRATCH_DEV\1#" /etc/mtab
 mount -o remount,ro $SCRATCH_DEV 2>&1 | tee -a $seq.full | _filter_scratch
 touch $SCRATCH_MNT/failed 2>&1 | tee -a $seq.full | _filter_scratch
 mount -o remount,rw $SCRATCH_DEV 2>&1 | tee -a $seq.full | _filter_scratch

index 96a36a6..3c87ce1 100644
@@ -45,6 +45,13 @@ _require_quota()
 	_notrun "disk quotas not supported by this filesystem type: $FSTYP"
 	;;
     esac
+
+    # SELinux adds extra xattrs which can mess up our expected output.
+    # So, mount with a context, and they won't be created
+    # nfs_t is a "liberal" context so we can use it.
+    if [ -x /usr/sbin/selinuxenabled ] && /usr/sbin/selinuxenabled; then
+        export SELINUX_MOUNT_OPTIONS="-o context=system_u:object_r:nfs_t:s0"
+    fi
 }
 
 #