v4.19.13 snapshot.
diff --git a/fs/xfs/xfs_ioctl.h b/fs/xfs/xfs_ioctl.h
new file mode 100644
index 0000000..4b17f67
--- /dev/null
+++ b/fs/xfs/xfs_ioctl.h
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2008 Silicon Graphics, Inc.
+ * All Rights Reserved.
+ */
+#ifndef __XFS_IOCTL_H__
+#define __XFS_IOCTL_H__
+
+extern int
+xfs_ioc_space(
+ struct file *filp,
+ unsigned int cmd,
+ xfs_flock64_t *bf);
+
+int
+xfs_ioc_swapext(
+ xfs_swapext_t *sxp);
+
+extern int
+xfs_find_handle(
+ unsigned int cmd,
+ xfs_fsop_handlereq_t *hreq);
+
+extern int
+xfs_open_by_handle(
+ struct file *parfilp,
+ xfs_fsop_handlereq_t *hreq);
+
+extern int
+xfs_readlink_by_handle(
+ struct file *parfilp,
+ xfs_fsop_handlereq_t *hreq);
+
+extern int
+xfs_attrmulti_attr_get(
+ struct inode *inode,
+ unsigned char *name,
+ unsigned char __user *ubuf,
+ uint32_t *len,
+ uint32_t flags);
+
+extern int
+xfs_attrmulti_attr_set(
+ struct inode *inode,
+ unsigned char *name,
+ const unsigned char __user *ubuf,
+ uint32_t len,
+ uint32_t flags);
+
+extern int
+xfs_attrmulti_attr_remove(
+ struct inode *inode,
+ unsigned char *name,
+ uint32_t flags);
+
+extern struct dentry *
+xfs_handle_to_dentry(
+ struct file *parfilp,
+ void __user *uhandle,
+ u32 hlen);
+
+extern long
+xfs_file_ioctl(
+ struct file *filp,
+ unsigned int cmd,
+ unsigned long p);
+
+extern long
+xfs_file_compat_ioctl(
+ struct file *file,
+ unsigned int cmd,
+ unsigned long arg);
+
+extern int
+xfs_set_dmattrs(
+ struct xfs_inode *ip,
+ uint evmask,
+ uint16_t state);
+
+#endif