Btrfs: dirindex optimizations

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 794f7e4f1c07..6d40758b893f 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -239,6 +239,7 @@ struct btrfs_fs_info {
         struct radix_tree_root pinned_radix;
         u64 last_inode_alloc;
         u64 generation;
+        u64 highest_inode;
         struct btrfs_transaction *running_transaction;
         struct btrfs_super_block *disk_super;
         struct buffer_head *sb_buffer;
@@ -970,6 +971,8 @@ int btrfs_insert_inode_map(struct btrfs_trans_handle *trans,
 int btrfs_lookup_inode_map(struct btrfs_trans_handle *trans,
                            struct btrfs_root *root, struct btrfs_path *path,
                            u64 objectid, int mod);
+int btrfs_find_highest_inode(struct btrfs_root *fs_root, u64 *objectid);
+
 /* inode-item.c */
 int btrfs_insert_inode(struct btrfs_trans_handle *trans, struct btrfs_root
                        *root, u64 objectid, struct btrfs_inode_item