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https://github.com/xen-project/xen.git
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emellor@leeni.uk.xensource.com
a8a1d48e4c
can also be used by block-enbd and block-nbd. Signed-off-by: Ewan Mellor <ewan@xensource.com>
70 lines
935 B
Bash
70 lines
935 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 "$XENBUS_PATH"/type || true)
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case "$command" in
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bind)
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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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*)
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[ -x /etc/xen/scripts/block-"$t" ] && \
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/etc/xen/scripts/block-"$t" bind $p
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;;
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esac
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;;
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unbind)
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node=$(xenstore_read "$XENBUS_PATH"/node)
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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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losetup -d $node
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exit 0
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;;
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*)
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[ -x /etc/xen/scripts/block-"$t" ] && \
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/etc/xen/scripts/block-"$t" unbind $node
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;;
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esac
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;;
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esac
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