b7e2d64d67
[ Upstream commite120a5f1e7] Otherwise PR ops may be issued while the broader DM device is being reconfigured, etc. Fixes:9c72bad1f3("dm: call PR reserve/unreserve on each underlying device") Signed-off-by: Mike Snitzer <snitzer@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>