Btrfs: fix worst case calculator for space usage

[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / btrfs / ctree.h

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 2491ba0..36490b9 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3135,7 +3135,7 @@ static inline u64 btrfs_calc_trans_metadata_size(struct btrfs_root *root,
                                                 unsigned num_items)
 {
        return (root->leafsize + root->nodesize * (BTRFS_MAX_LEVEL - 1)) *
-               3 * num_items;
+               2 * num_items;
 }
 
 /*