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authorByongho Lee <bhlee.kernel@gmail.com>2016-01-26 16:33:04 (GMT)
committerDavid Sterba <dsterba@suse.com>2016-02-18 10:33:17 (GMT)
commit0138b6fe8f7ea6aa83ed7ccfcabc89b490528ce8 (patch)
tree9b9fa1a0c79ca6c04951b42fd59d7632fc356b8b /fs/btrfs/ctree.h
parent388f7b1d6e8ca06762e2454d28d6c3c55ad0fe95 (diff)
downloadlinux-0138b6fe8f7ea6aa83ed7ccfcabc89b490528ce8.tar.xz
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>
Diffstat (limited to 'fs/btrfs/ctree.h')
-rw-r--r--fs/btrfs/ctree.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index bfe4a33..91449e4 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -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;
}
/*