Paul Durrant 14855954f6 xen-blkback: allow module to be cleanly unloaded
Add a module_exit() to perform the necessary clean-up.

Signed-off-by: Paul Durrant <pdurrant@amazon.com>
Reviewed-by: "Roger Pau Monné" <roger.pau@citrix.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
2019-12-04 11:35:35 +01:00
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