btrfs: make functions static when possible

Signed-off-by: David Sterba <dsterba@suse.cz>

3 files changed, 7 insertions, 7 deletions

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index c60197b36bc8..a36c87db4dc4 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -74,8 +74,8 @@ noinline void btrfs_set_path_blocking(struct btrfs_path *p)
  * retake all the spinlocks in the path.  You can safely use NULL
  * for held
  */
-noinline void btrfs_clear_path_blocking(struct btrfs_path *p,
-                                        struct extent_buffer *held)
+static noinline void btrfs_clear_path_blocking(struct btrfs_path *p,
+                                               struct extent_buffer *held)
 {
         int i;
 
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index cd52f7f556ef..7cdce82e03e7 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -94,7 +94,7 @@ static int block_group_bits(struct btrfs_block_group_cache *cache, u64 bits)
         return (cache->flags & bits) == bits;
 }
 
-void btrfs_get_block_group(struct btrfs_block_group_cache *cache)
+static void btrfs_get_block_group(struct btrfs_block_group_cache *cache)
 {
         atomic_inc(&cache->count);
 }
@@ -3651,8 +3651,8 @@ static void block_rsv_add_bytes(struct btrfs_block_rsv *block_rsv,
         spin_unlock(&block_rsv->lock);
 }
 
-void block_rsv_release_bytes(struct btrfs_block_rsv *block_rsv,
-                             struct btrfs_block_rsv *dest, u64 num_bytes)
+static void block_rsv_release_bytes(struct btrfs_block_rsv *block_rsv,
+                                    struct btrfs_block_rsv *dest, u64 num_bytes)
 {
         struct btrfs_space_info *space_info = block_rsv->space_info;
 
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 9e69c6b8409c..d06abe20a729 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -1455,8 +1455,8 @@ out:
         return ret;
 }
 
-bool try_merge_free_space(struct btrfs_block_group_cache *block_group,
-                          struct btrfs_free_space *info, bool update_stat)
+static bool try_merge_free_space(struct btrfs_block_group_cache *block_group,
+                                 struct btrfs_free_space *info, bool update_stat)
 {
         struct btrfs_free_space *left_info;
         struct btrfs_free_space *right_info;