f2fs: avoid value overflow in showing current status
This patch fixes overflow when do cat /sys/kernel/debug/f2fs/status. If a section is relatively large, dist value can be overflowed. Reported-by: Yossi Goldfill <ygoldfill@radianmemory.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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