1 files changed, 25 insertions, 7 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 7f78cc78fdd0..2e61fe1b6b8c 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -28,6 +28,7 @@
 #include <linux/wait.h>
 #include <linux/slab.h>
 #include <linux/kobject.h>
+#include <trace/events/btrfs.h>
 #include <asm/kmap_types.h>
 #include "extent_io.h"
 #include "extent_map.h"
@@ -40,6 +41,7 @@ extern struct kmem_cache *btrfs_trans_handle_cachep;
 extern struct kmem_cache *btrfs_transaction_cachep;
 extern struct kmem_cache *btrfs_bit_radix_cachep;
 extern struct kmem_cache *btrfs_path_cachep;
+extern struct kmem_cache *btrfs_free_space_cachep;
 struct btrfs_ordered_sum;
 
 #define BTRFS_MAGIC "_BHRfS_M"
@@ -738,8 +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 */
 
@@ -782,9 +786,6 @@ struct btrfs_free_cluster {
         /* first extent starting offset */
         u64 window_start;
 
-        /* if this cluster simply points at a bitmap in the block group */
-        bool points_to_bitmap;
-
         struct btrfs_block_group_cache *block_group;
         /*
          * when a cluster is allocated from a block group, we put the
@@ -1283,6 +1284,9 @@ struct btrfs_root {
 #define BTRFS_INODE_NODUMP              (1 << 8)
 #define BTRFS_INODE_NOATIME             (1 << 9)
 #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
@@ -2157,6 +2161,8 @@ int btrfs_free_extent(struct btrfs_trans_handle *trans,
                       u64 root_objectid, u64 owner, u64 offset);
 
 int btrfs_free_reserved_extent(struct btrfs_root *root, u64 start, u64 len);
+int btrfs_update_reserved_bytes(struct btrfs_block_group_cache *cache,
+                                u64 num_bytes, int reserve, int sinfo);
 int btrfs_prepare_extent_commit(struct btrfs_trans_handle *trans,
                                 struct btrfs_root *root);
 int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans,
@@ -2227,10 +2233,12 @@ u64 btrfs_account_ro_block_groups_free_space(struct btrfs_space_info *sinfo);
 int btrfs_error_unpin_extent_range(struct btrfs_root *root,
                                    u64 start, u64 end);
 int btrfs_error_discard_extent(struct btrfs_root *root, u64 bytenr,
-                               u64 num_bytes);
+                               u64 num_bytes, u64 *actual_bytes);
 int btrfs_force_chunk_alloc(struct btrfs_trans_handle *trans,
                             struct btrfs_root *root, u64 type);
+int btrfs_trim_fs(struct btrfs_root *root, struct fstrim_range *range);
 
+int btrfs_init_space_info(struct btrfs_fs_info *fs_info);
 /* ctree.c */
 int btrfs_bin_search(struct extent_buffer *eb, struct btrfs_key *key,
                      int level, int *slot);
@@ -2355,6 +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,
@@ -2392,6 +2402,9 @@ struct btrfs_dir_item *btrfs_lookup_xattr(struct btrfs_trans_handle *trans,
                                           struct btrfs_path *path, u64 dir,
                                           const char *name, u16 name_len,
                                           int mod);
+int verify_dir_item(struct btrfs_root *root,
+                    struct extent_buffer *leaf,
+                    struct btrfs_dir_item *dir_item);
 
 /* orphan.c */
 int btrfs_insert_orphan_item(struct btrfs_trans_handle *trans,
@@ -2528,7 +2541,7 @@ int btrfs_update_inode(struct btrfs_trans_handle *trans,
                               struct inode *inode);
 int btrfs_orphan_add(struct btrfs_trans_handle *trans, struct inode *inode);
 int btrfs_orphan_del(struct btrfs_trans_handle *trans, struct inode *inode);
-void btrfs_orphan_cleanup(struct btrfs_root *root);
+int btrfs_orphan_cleanup(struct btrfs_root *root);
 void btrfs_orphan_pre_snapshot(struct btrfs_trans_handle *trans,
                                 struct btrfs_pending_snapshot *pending,
                                 u64 *bytes_to_reserve);
@@ -2536,7 +2549,7 @@ void btrfs_orphan_post_snapshot(struct btrfs_trans_handle *trans,
                                 struct btrfs_pending_snapshot *pending);
 void btrfs_orphan_commit_root(struct btrfs_trans_handle *trans,
                               struct btrfs_root *root);
-int btrfs_cont_expand(struct inode *inode, loff_t size);
+int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size);
 int btrfs_invalidate_inodes(struct btrfs_root *root);
 void btrfs_add_delayed_iput(struct inode *inode);
 void btrfs_run_delayed_iputs(struct btrfs_root *root);
@@ -2565,6 +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,