Btrfs: make things static and include the right headers

Shut up various sparse warnings about symbols that should be either
static or have their declarations in scope.

Signed-off-by: Christoph Hellwig <hch@lst.de>

1 files changed, 4 insertions, 2 deletions

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index f4926c0f3c8c..09462adfbe33 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -443,7 +443,8 @@ void btrfs_remove_free_space_cache(struct btrfs_block_group_cache *block_group)
         mutex_unlock(&block_group->alloc_mutex);
 }
 
-struct btrfs_free_space *btrfs_find_free_space_offset(struct
+#if 0
+static struct btrfs_free_space *btrfs_find_free_space_offset(struct
                                                       btrfs_block_group_cache
                                                       *block_group, u64 offset,
                                                       u64 bytes)
@@ -458,7 +459,7 @@ struct btrfs_free_space *btrfs_find_free_space_offset(struct
         return ret;
 }
 
-struct btrfs_free_space *btrfs_find_free_space_bytes(struct
+static struct btrfs_free_space *btrfs_find_free_space_bytes(struct
                                                      btrfs_block_group_cache
                                                      *block_group, u64 offset,
                                                      u64 bytes)
@@ -472,6 +473,7 @@ struct btrfs_free_space *btrfs_find_free_space_bytes(struct
 
         return ret;
 }
+#endif
 
 struct btrfs_free_space *btrfs_find_free_space(struct btrfs_block_group_cache
                                                *block_group, u64 offset,