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496b318eb6
vbd_resize() up_read()'s xs_state.suspend_mutex twice in a row via double xenbus_transaction_end() calls. The next down_read() in xenbus_transaction_start() (at eg. the next resize attempt) hangs. Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=618317 Acked-by: Jan Beulich <jbeulich@novell.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>