These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / fs / btrfs / disk-io.h

diff --git a/kernel/fs/btrfs/disk-io.h b/kernel/fs/btrfs/disk-io.h
index d4cbfee..adeb318 100644 (file)
--- a/kernel/fs/btrfs/disk-io.h
+++ b/kernel/fs/btrfs/disk-io.h
@@ -60,6 +60,8 @@ void close_ctree(struct btrfs_root *root);
 int write_ctree_super(struct btrfs_trans_handle *trans,
                      struct btrfs_root *root, int max_mirrors);
 struct buffer_head *btrfs_read_dev_super(struct block_device *bdev);
+int btrfs_read_dev_one_super(struct block_device *bdev, int copy_num,
+                       struct buffer_head **bh_ret);
 int btrfs_commit_super(struct btrfs_root *root);
 struct extent_buffer *btrfs_find_tree_block(struct btrfs_fs_info *fs_info,
                                            u64 bytenr);
@@ -139,6 +141,7 @@ struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans,
                                     u64 objectid);
 int btree_lock_page_hook(struct page *page, void *data,
                                void (*flush_fn)(void *));
+int btrfs_get_num_tolerated_disk_barrier_failures(u64 flags);
 int btrfs_calc_num_tolerated_disk_barrier_failures(
        struct btrfs_fs_info *fs_info);
 int __init btrfs_end_io_wq_init(void);