btrfs: move ioctl prototypes into ioctl.h

Move these out of ctree.h into ioctl.h to cut down on 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

@@ -688,18 +688,6 @@ int btrfs_insert_orphan_item(struct btrfs_trans_handle *trans,
 int btrfs_del_orphan_item(struct btrfs_trans_handle *trans,
 			  struct btrfs_root *root, u64 offset);
 
-/* ioctl.c */
-long btrfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
-long btrfs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
-int btrfs_fileattr_get(struct dentry *dentry, struct fileattr *fa);
-int btrfs_fileattr_set(struct user_namespace *mnt_userns,
-		       struct dentry *dentry, struct fileattr *fa);
-int btrfs_ioctl_get_supported_features(void __user *arg);
-void btrfs_sync_inode_flags_to_i_flags(struct inode *inode);
-int __pure btrfs_is_empty_uuid(u8 *uuid);
-void btrfs_update_ioctl_balance_args(struct btrfs_fs_info *fs_info,
-			       struct btrfs_ioctl_balance_args *bargs);
-
 /* file.c */
 int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync);
 extern const struct file_operations btrfs_file_operations;

fs/btrfs/file.c

@@ -34,6 +34,7 @@
 #include "accessors.h"
 #include "extent-tree.h"
 #include "file-item.h"
+#include "ioctl.h"
 
 /* simple helper to fault in pages and copy.  This should go away
  * and be replaced with calls into generic code.

fs/btrfs/inode.c

@@ -63,6 +63,7 @@
 #include "dir-item.h"
 #include "file-item.h"
 #include "uuid-tree.h"
+#include "ioctl.h"
 
 struct btrfs_iget_args {
 	u64 ino;

fs/btrfs/ioctl.c

@@ -57,6 +57,7 @@
 #include "defrag.h"
 #include "dir-item.h"
 #include "uuid-tree.h"
+#include "ioctl.h"
 
 #ifdef CONFIG_64BIT
 /* If we have a 32-bit userspace and 64-bit kernel, then the UAPI

fs/btrfs/ioctl.h

@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef BTRFS_IOCTL_H
+#define BTRFS_IOCTL_H
+
+long btrfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
+long btrfs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
+int btrfs_fileattr_get(struct dentry *dentry, struct fileattr *fa);
+int btrfs_fileattr_set(struct user_namespace *mnt_userns,
+		       struct dentry *dentry, struct fileattr *fa);
+int btrfs_ioctl_get_supported_features(void __user *arg);
+void btrfs_sync_inode_flags_to_i_flags(struct inode *inode);
+int __pure btrfs_is_empty_uuid(u8 *uuid);
+void btrfs_update_ioctl_balance_args(struct btrfs_fs_info *fs_info,
+				     struct btrfs_ioctl_balance_args *bargs);
+
+#endif

fs/btrfs/send.c

@@ -30,6 +30,7 @@
 #include "accessors.h"
 #include "dir-item.h"
 #include "file-item.h"
+#include "ioctl.h"
 
 /*
  * Maximum number of references an extent can have in order for us to attempt to

fs/btrfs/super.c

@@ -54,6 +54,7 @@
 #include "accessors.h"
 #include "defrag.h"
 #include "dir-item.h"
+#include "ioctl.h"
 #define CREATE_TRACE_POINTS
 #include <trace/events/btrfs.h>
 

fs/btrfs/transaction.c

@@ -31,6 +31,7 @@
 #include "defrag.h"
 #include "dir-item.h"
 #include "uuid-tree.h"
+#include "ioctl.h"
 
 static struct kmem_cache *btrfs_trans_handle_cachep;
 

fs/btrfs/verity.c

@@ -18,6 +18,7 @@
 #include "locking.h"
 #include "fs.h"
 #include "accessors.h"
+#include "ioctl.h"
 
 /*
  * Implementation of the interface defined in struct fsverity_operations.

fs/btrfs/volumes.c

@@ -36,6 +36,7 @@
 #include "fs.h"
 #include "accessors.h"
 #include "uuid-tree.h"
+#include "ioctl.h"
 
 static struct bio_set btrfs_bioset;