Instead of calling bdev_zone_sectors() multiple times, call
it once and cache the value locally. This will make the
subsequent change easier to read.
Signed-off-by: NLuis Chamberlain <mcgrof@kernel.org>
Signed-off-by: NPankaj Raghav <p.raghav@samsung.com>
Signed-off-by: NJaegeuk Kim <jaegeuk@kernel.org>