1 files changed, 6 insertions, 12 deletions

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 9ee6bd55e16c..7b0433866f36 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3973,12 +3973,6 @@ static void release_global_block_rsv(struct btrfs_fs_info *fs_info)
         WARN_ON(fs_info->chunk_block_rsv.reserved > 0);
 }
 
-static u64 calc_trans_metadata_size(struct btrfs_root *root, int num_items)
-{
-        return (root->leafsize + root->nodesize * (BTRFS_MAX_LEVEL - 1)) *
-                3 * num_items;
-}
-
 int btrfs_trans_reserve_metadata(struct btrfs_trans_handle *trans,
                                  struct btrfs_root *root,
                                  int num_items)
@@ -3989,7 +3983,7 @@ int btrfs_trans_reserve_metadata(struct btrfs_trans_handle *trans,
         if (num_items == 0 || root->fs_info->chunk_root == root)
                 return 0;
 
-        num_bytes = calc_trans_metadata_size(root, num_items);
+        num_bytes = btrfs_calc_trans_metadata_size(root, num_items);
         ret = btrfs_block_rsv_add(trans, root, &root->fs_info->trans_block_rsv,
                                   num_bytes);
         if (!ret) {
@@ -4028,14 +4022,14 @@ int btrfs_orphan_reserve_metadata(struct btrfs_trans_handle *trans,
          * If all of the metadata space is used, we can commit
          * transaction and use space it freed.
          */
-        u64 num_bytes = calc_trans_metadata_size(root, 4);
+        u64 num_bytes = btrfs_calc_trans_metadata_size(root, 4);
         return block_rsv_migrate_bytes(src_rsv, dst_rsv, num_bytes);
 }
 
 void btrfs_orphan_release_metadata(struct inode *inode)
 {
         struct btrfs_root *root = BTRFS_I(inode)->root;
-        u64 num_bytes = calc_trans_metadata_size(root, 4);
+        u64 num_bytes = btrfs_calc_trans_metadata_size(root, 4);
         btrfs_block_rsv_release(root, root->orphan_block_rsv, num_bytes);
 }
 
@@ -4049,7 +4043,7 @@ int btrfs_snap_reserve_metadata(struct btrfs_trans_handle *trans,
          * two for root back/forward refs, two for directory entries
          * and one for root of the snapshot.
          */
-        u64 num_bytes = calc_trans_metadata_size(root, 5);
+        u64 num_bytes = btrfs_calc_trans_metadata_size(root, 5);
         dst_rsv->space_info = src_rsv->space_info;
         return block_rsv_migrate_bytes(src_rsv, dst_rsv, num_bytes);
 }
@@ -4078,7 +4072,7 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes)
 
         if (nr_extents > reserved_extents) {
                 nr_extents -= reserved_extents;
-                to_reserve = calc_trans_metadata_size(root, nr_extents);
+                to_reserve = btrfs_calc_trans_metadata_size(root, nr_extents);
         } else {
                 nr_extents = 0;
                 to_reserve = 0;
@@ -4132,7 +4126,7 @@ void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes)
 
         to_free = calc_csum_metadata_size(inode, num_bytes);
         if (nr_extents > 0)
-                to_free += calc_trans_metadata_size(root, nr_extents);
+                to_free += btrfs_calc_trans_metadata_size(root, nr_extents);
 
         btrfs_block_rsv_release(root, &root->fs_info->delalloc_block_rsv,
                                 to_free);