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63 lines
902 B
Bash
63 lines
902 B
Bash
#!/bin/sh
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dir=$(dirname "$0")
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. "$dir/block-common.sh"
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expand_dev() {
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local dev
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case $1 in
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/*)
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dev=$1
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;;
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*)
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dev=/dev/$1
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;;
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esac
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echo -n $dev
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}
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t=$(xenstore_read_default "$XENBUS_PATH"/type "MISSING")
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case "$command" in
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add)
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p=$(xenstore_read "$XENBUS_PATH"/params)
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case $t in
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phy)
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dev=$(expand_dev $p)
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write_dev "$dev"
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exit 0
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;;
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file)
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for dev in /dev/loop* ; do
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echo "dev is $dev, p is $p"
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if losetup $dev $p; then
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write_dev "$dev"
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exit 0
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fi
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done
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exit 1
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;;
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esac
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;;
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remove)
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case $t in
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phy)
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exit 0
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;;
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file)
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node=$(xenstore_read "$XENBUS_PATH"/node)
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losetup -d $node
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exit 0
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;;
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esac
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;;
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esac
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# If we've reached here, $t is neither phy nor file, so fire a helper script.
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[ -x /etc/xen/scripts/block-"$t" ] && \
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/etc/xen/scripts/block-"$t" "$command" $node
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