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vblk isn't being used anyway and if we ever have a usecase we can
introduce this again.  This makes the logic easier and removes
unnecessary checks.
Signed-off-by: Rakesh Pandit <rakesh@tuxera.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>