1 files changed, 13 insertions, 2 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index d47ce8307854..8f4b81de3ae2 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -718,7 +718,7 @@ struct btrfs_space_info {
         u64 total_bytes;        /* total bytes in the space,
                                    this doesn't take mirrors into account */
         u64 bytes_used;         /* total bytes used,
-                                   this does't take mirrors into account */
+                                   this doesn't take mirrors into account */
         u64 bytes_pinned;       /* total bytes pinned, will be freed when the
                                    transaction finishes */
         u64 bytes_reserved;     /* total bytes the allocator has reserved for
@@ -740,8 +740,10 @@ struct btrfs_space_info {
          */
         unsigned long reservation_progress;
 
-        int full;               /* indicates that we cannot allocate any more
+        int full:1;             /* indicates that we cannot allocate any more
                                    chunks for this space */
+        int chunk_alloc:1;      /* set if we are allocating a chunk */
+
         int force_alloc;        /* set if we need to force a chunk alloc for
                                    this space */
 
@@ -1284,6 +1286,8 @@ struct btrfs_root {
 #define BTRFS_INODE_DIRSYNC             (1 << 10)
 #define BTRFS_INODE_COMPRESS            (1 << 11)
 
+#define BTRFS_INODE_ROOT_ITEM_INIT      (1 << 31)
+
 /* some macros to generate set/get funcs for the struct fields.  This
  * assumes there is a lefoo_to_cpu for every type, so lets make a simple
  * one for u8:
@@ -2359,6 +2363,8 @@ int btrfs_find_dead_roots(struct btrfs_root *root, u64 objectid);
 int btrfs_find_orphan_roots(struct btrfs_root *tree_root);
 int btrfs_set_root_node(struct btrfs_root_item *item,
                         struct extent_buffer *node);
+void btrfs_check_and_init_root_item(struct btrfs_root_item *item);
+
 /* dir-item.c */
 int btrfs_insert_dir_item(struct btrfs_trans_handle *trans,
                           struct btrfs_root *root, const char *name,
@@ -2572,6 +2578,11 @@ int btrfs_drop_extents(struct btrfs_trans_handle *trans, struct inode *inode,
 int btrfs_mark_extent_written(struct btrfs_trans_handle *trans,
                               struct inode *inode, u64 start, u64 end);
 int btrfs_release_file(struct inode *inode, struct file *file);
+void btrfs_drop_pages(struct page **pages, size_t num_pages);
+int btrfs_dirty_pages(struct btrfs_root *root, struct inode *inode,
+                      struct page **pages, size_t num_pages,
+                      loff_t pos, size_t write_bytes,
+                      struct extent_state **cached);
 
 /* tree-defrag.c */
 int btrfs_defrag_leaves(struct btrfs_trans_handle *trans,