btrfs: move uuid tree prototypes to uuid-tree.h

Move these out of ctree.h into uuid-tree.h to cut down on the code in
ctree.h.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
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/ctree.h

@@ -682,13 +682,6 @@ int btrfs_drop_subtree(struct btrfs_trans_handle *trans,
 			struct extent_buffer *node,
 			struct extent_buffer *parent);
 
-/* uuid-tree.c */
-int btrfs_uuid_tree_add(struct btrfs_trans_handle *trans, u8 *uuid, u8 type,
-			u64 subid);
-int btrfs_uuid_tree_remove(struct btrfs_trans_handle *trans, u8 *uuid, u8 type,
-			u64 subid);
-int btrfs_uuid_tree_iterate(struct btrfs_fs_info *fs_info);
-
 /* orphan.c */
 int btrfs_insert_orphan_item(struct btrfs_trans_handle *trans,
 			     struct btrfs_root *root, u64 offset);

fs/btrfs/disk-io.c

@@ -48,6 +48,7 @@
 #include "extent-tree.h"
 #include "root-tree.h"
 #include "defrag.h"
+#include "uuid-tree.h"
 
 #define BTRFS_SUPER_FLAG_SUPP	(BTRFS_HEADER_FLAG_WRITTEN |\
 				 BTRFS_HEADER_FLAG_RELOC |\

fs/btrfs/inode.c

@@ -62,6 +62,7 @@
 #include "defrag.h"
 #include "dir-item.h"
 #include "file-item.h"
+#include "uuid-tree.h"
 
 struct btrfs_iget_args {
 	u64 ino;

fs/btrfs/ioctl.c

@@ -56,6 +56,7 @@
 #include "root-tree.h"
 #include "defrag.h"
 #include "dir-item.h"
+#include "uuid-tree.h"
 
 #ifdef CONFIG_64BIT
 /* If we have a 32-bit userspace and 64-bit kernel, then the UAPI

fs/btrfs/transaction.c

@@ -30,6 +30,7 @@
 #include "root-tree.h"
 #include "defrag.h"
 #include "dir-item.h"
+#include "uuid-tree.h"
 
 static struct kmem_cache *btrfs_trans_handle_cachep;
 

fs/btrfs/uuid-tree.c

@@ -12,6 +12,7 @@
 #include "print-tree.h"
 #include "fs.h"
 #include "accessors.h"
+#include "uuid-tree.h"
 
 static void btrfs_uuid_to_key(u8 *uuid, u8 type, struct btrfs_key *key)
 {

fs/btrfs/uuid-tree.h

@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef BTRFS_UUID_TREE_H
+#define BTRFS_UUID_TREE_H
+
+int btrfs_uuid_tree_add(struct btrfs_trans_handle *trans, u8 *uuid, u8 type,
+			u64 subid);
+int btrfs_uuid_tree_remove(struct btrfs_trans_handle *trans, u8 *uuid, u8 type,
+			u64 subid);
+int btrfs_uuid_tree_iterate(struct btrfs_fs_info *fs_info);
+
+#endif

fs/btrfs/volumes.c

@@ -35,6 +35,7 @@
 #include "zoned.h"
 #include "fs.h"
 #include "accessors.h"
+#include "uuid-tree.h"
 
 static struct bio_set btrfs_bioset;