btrfs: unexport btrfs_debug_check_extent_io_range

We no longer need to export this as all users are in extent-io-tree.c,
remove it from the header and put it into extent-io-tree.c.
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/extent-io-tree.c

@@ -46,9 +46,11 @@ static inline void btrfs_extent_state_leak_debug_check(void)
 	}
 }
 
-void __btrfs_debug_check_extent_io_range(const char *caller,
-					 struct extent_io_tree *tree, u64 start,
-					 u64 end)
+#define btrfs_debug_check_extent_io_range(tree, start, end)		\
+	__btrfs_debug_check_extent_io_range(__func__, (tree), (start), (end))
+static inline void __btrfs_debug_check_extent_io_range(const char *caller,
+						       struct extent_io_tree *tree,
+						       u64 start, u64 end)
 {
 	struct inode *inode = tree->private_data;
 	u64 isize;
@@ -67,6 +69,7 @@ void __btrfs_debug_check_extent_io_range(const char *caller,
 #define btrfs_leak_debug_add_state(state)		do {} while (0)
 #define btrfs_leak_debug_del_state(state)		do {} while (0)
 #define btrfs_extent_state_leak_debug_check()		do {} while (0)
+#define btrfs_debug_check_extent_io_range(c, s, e)	do {} while (0)
 #endif
 
 /*

fs/btrfs/extent-io-tree.h

@@ -269,16 +269,6 @@ static inline bool extent_state_in_tree(const struct extent_state *state)
 	return !RB_EMPTY_NODE(&state->rb_node);
 }
 
-#ifdef CONFIG_BTRFS_DEBUG
-void __btrfs_debug_check_extent_io_range(const char *caller,
-					 struct extent_io_tree *tree, u64 start,
-					 u64 end);
-#define btrfs_debug_check_extent_io_range(tree, start, end)		\
-	__btrfs_debug_check_extent_io_range(__func__, (tree), (start), (end))
-#else
-#define btrfs_debug_check_extent_io_range(c, s, e)	do {} while (0)
-#endif
-
 struct tree_entry {
 	u64 start;
 	u64 end;