btrfs: Remove redundant forward declarations

Some static functions are needlessly forward declared. Let's remove those
declarations since they add no value.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index e2d7e86..7697c03 100644 (file)
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -61,9 +61,6 @@ enum {
        CHUNK_ALLOC_FORCE = 2,
 };
 
-static int update_block_group(struct btrfs_trans_handle *trans,
-                             struct btrfs_fs_info *fs_info, u64 bytenr,
-                             u64 num_bytes, int alloc);
 static int __btrfs_free_extent(struct btrfs_trans_handle *trans,
                               struct btrfs_fs_info *fs_info,
                                struct btrfs_delayed_ref_node *node, u64 parent,
@@ -91,17 +88,8 @@ static int find_next_key(struct btrfs_path *path, int level,
 static void dump_space_info(struct btrfs_fs_info *fs_info,
                            struct btrfs_space_info *info, u64 bytes,
                            int dump_block_groups);
-static int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache,
-                                   u64 ram_bytes, u64 num_bytes, int delalloc);
-static int btrfs_free_reserved_bytes(struct btrfs_block_group_cache *cache,
-                                    u64 num_bytes, int delalloc);
 static int block_rsv_use_bytes(struct btrfs_block_rsv *block_rsv,
                               u64 num_bytes);
-static int __reserve_metadata_bytes(struct btrfs_fs_info *fs_info,
-                                   struct btrfs_space_info *space_info,
-                                   u64 orig_bytes,
-                                   enum btrfs_reserve_flush_enum flush,
-                                   bool system_chunk);
 static void space_info_add_new_bytes(struct btrfs_fs_info *fs_info,
                                     struct btrfs_space_info *space_info,
                                     u64 num_bytes);