modify defect: miss boot_root attr in legacy mode
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@ -29,6 +29,7 @@ else
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grep -v rootfs /proc/mounts > /etc/mtab
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boot_device=''
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if [ -f "/etc/systemconfig/systemconfig.conf" ];then
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boot_root=`cat /etc/systemconfig/systemconfig.conf | grep ROOTDEV | awk '{print $3}'`
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boot_device=`cat /etc/systemconfig/systemconfig.conf | grep BOOTDEV | awk '{print $3}'`
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else
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boot_root=`mount | grep -E ' on\s+/ type ' | awk '{print $1}'`
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