Btrfs-progs: fix the min ticks check in print_seek_histogram

Before I had been dividing by 5 but that gave me too much output so I changed it
to 20 without changing the min seeks test.  Fix this to avoid a divide by 0
problem.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

diff --git a/btrfs-calc-size.c b/btrfs-calc-size.c
index 7ae728e..e9ef37f 100644 (file)
--- a/btrfs-calc-size.c
+++ b/btrfs-calc-size.c
@@ -228,7 +228,7 @@ static void print_seek_histogram(struct root_stats *stat)
        u64 max_seek = stat->max_seek_len;
        int digits = 1;
 
-       if (stat->total_seeks < 5)
+       if (stat->total_seeks < 20)
                return;
 
        while ((max_seek /= 10))