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>

parent 75cd4e09

fs/f2fs/debug.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -94,7 +94,8 @@ static void update_general_status(struct f2fs_sb_info *sbi)
		static void update_sit_info(struct f2fs_sb_info *sbi)
		{
		struct f2fs_stat_info *si = F2FS_STAT(sbi);
		unsigned int blks_per_sec, hblks_per_sec, total_vblocks, bimodal, dist;
		unsigned long long blks_per_sec, hblks_per_sec, total_vblocks;
		unsigned long long bimodal, dist;
		unsigned int segno, vblocks;
		int ndirty = 0;