1 files changed, 13 insertions, 2 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index b2620d1f883f..443fcc402114 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -439,6 +439,8 @@ struct btrfs_space_info {
         struct list_head list;
         /* Protected by the spinlock 'lock'. */
         struct list_head ro_bgs;
+        struct list_head priority_tickets;
+        struct list_head tickets;
 
         struct rw_semaphore groups_sem;
         /* for block groups in our same type */
@@ -2624,6 +2626,15 @@ enum btrfs_reserve_flush_enum {
         BTRFS_RESERVE_FLUSH_ALL,
 };
 
+enum btrfs_flush_state {
+        FLUSH_DELAYED_ITEMS_NR  =       1,
+        FLUSH_DELAYED_ITEMS     =       2,
+        FLUSH_DELALLOC          =       3,
+        FLUSH_DELALLOC_WAIT     =       4,
+        ALLOC_CHUNK             =       5,
+        COMMIT_TRANS            =       6,
+};
+
 int btrfs_check_data_free_space(struct inode *inode, u64 start, u64 len);
 int btrfs_alloc_data_chunk_ondemand(struct inode *inode, u64 bytes);
 void btrfs_free_reserved_data_space(struct inode *inode, u64 start, u64 len);
@@ -2661,8 +2672,8 @@ int btrfs_block_rsv_refill(struct btrfs_root *root,
                            struct btrfs_block_rsv *block_rsv, u64 min_reserved,
                            enum btrfs_reserve_flush_enum flush);
 int btrfs_block_rsv_migrate(struct btrfs_block_rsv *src_rsv,
-                            struct btrfs_block_rsv *dst_rsv,
-                            u64 num_bytes);
+                            struct btrfs_block_rsv *dst_rsv, u64 num_bytes,
+                            int update_size);
 int btrfs_cond_migrate_bytes(struct btrfs_fs_info *fs_info,
                              struct btrfs_block_rsv *dest, u64 num_bytes,
                              int min_factor);