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btrfs: simplify expression in btrfs_calc_trans_metadata_size() 

Simplify expression in btrfs_calc_trans_metadata_size().

Signed-off-by: Byongho Lee <bhlee.kernel@gmail.com>
Reviewed-by: Stefan Behrens <sbehrens@giantdisaster.de>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Byongho Lee 2016-01-27 01:33:04 +09:00 committed by David Sterba
parent 388f7b1d6e
commit 0138b6fe8f
1 changed files with 1 additions and 2 deletions
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3
fs/btrfs/ctree.h
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@ -3448,8 +3448,7 @@ u64 btrfs_csum_bytes_to_leaves(struct btrfs_root *root, u64 csum_bytes);
static inline u64 btrfs_calc_trans_metadata_size(struct btrfs_root *root,
unsigned num_items)
{
return (root->nodesize + root->nodesize * (BTRFS_MAX_LEVEL - 1)) *
2 * num_items;
return root->nodesize * BTRFS_MAX_LEVEL * 2 * num_items;
}
/*