Only issue a uevent on a resume if the state of the device changed,
i.e. if it was suspended and/or its table was replaced.
Signed-off-by: NDave Wysochanski <dwysocha@redhat.com>
Signed-off-by: NMike Snitzer <snitzer@redhat.com>
Cc: stable@kernel.org
Signed-off-by: NAlasdair G Kergon <agk@redhat.com>