bfe28d5ee6
Apparently locking mechanism in xen hotplug scripts isn't working. This is workaround before it will be fixed in xen...
61 linhas
1.1 KiB
Bash
Ficheiro executável
61 linhas
1.1 KiB
Bash
Ficheiro executável
#!/bin/bash
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HOTPLUG_STORE="/var/run/xen-hotplug/${XENBUS_PATH//\//-}"
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hd_arr[10]=a
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hd_arr[11]=b
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hd_arr[12]=c
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hd_arr[13]=d
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hd_arr[14]=e
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hd_arr[15]=f
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hexdigit()
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{
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if [ $1 -lt 10 ] ; then
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RET=$1
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else
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RET=${hd_arr[$1]}
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fi
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}
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hexnumber()
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{
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hexdigit $(($1/16))
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ret2=$RET
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hexdigit $(($1%16))
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HEXNUMBER="$ret2"$RET
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}
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process()
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{
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if ! [ "x""$1" = "xfile" ] ; then
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exec flock /var/run/qubes/hotplug-block /etc/xen/scripts/block $ORIG_ARGS
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fi
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while true ; do
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dev=$(losetup -f --show $2)
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if [ -n "$dev" ] ; then break ; fi
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done
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hexnumber ${dev:9:70}
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xenstore-write "$XENBUS_PATH/node" "$dev" \
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"$XENBUS_PATH/physical-device" "7:"$HEXNUMBER \
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"$XENBUS_PATH/hotplug-status" connected
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echo "$dev" > "$HOTPLUG_STORE-node"
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echo "file" > "$HOTPLUG_STORE-type"
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}
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#exec 2>>/tmp/block.$$
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#set -x
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export PATH="/sbin:/bin:/usr/bin:/usr/sbin:$PATH"
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XENBUS_PATH="${XENBUS_PATH:?}"
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if ! [ "$1" = "add" ] || ! [ -f /var/run/qubes/fast_block_attach ] ; then
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exec flock /var/run/qubes/hotplug-block /etc/xen/scripts/block "$@"
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fi
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ORIG_ARGS="$@"
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vars=$(xenstore-read "$XENBUS_PATH/type" "$XENBUS_PATH/params")
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process $vars
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exit 0
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