--- zzzz-none-000/linux-3.10.107/fs/logfs/file.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/fs/logfs/file.c	2021-02-04 17:41:59.000000000 +0000
@@ -159,7 +159,8 @@
 	return __logfs_writepage(page);
 }
 
-static void logfs_invalidatepage(struct page *page, unsigned long offset)
+static void logfs_invalidatepage(struct page *page, unsigned int offset,
+				 unsigned int length)
 {
 	struct logfs_block *block = logfs_block(page);
 
@@ -240,7 +241,7 @@
 
 static int logfs_setattr(struct dentry *dentry, struct iattr *attr)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = d_inode(dentry);
 	int err = 0;
 
 	err = inode_change_ok(inode, attr);
@@ -263,15 +264,13 @@
 };
 
 const struct file_operations logfs_reg_fops = {
-	.aio_read	= generic_file_aio_read,
-	.aio_write	= generic_file_aio_write,
+	.read_iter	= generic_file_read_iter,
+	.write_iter	= generic_file_write_iter,
 	.fsync		= logfs_fsync,
 	.unlocked_ioctl	= logfs_ioctl,
 	.llseek		= generic_file_llseek,
 	.mmap		= generic_file_readonly_mmap,
 	.open		= generic_file_open,
-	.read		= do_sync_read,
-	.write		= do_sync_write,
 };
 
 const struct address_space_operations logfs_reg_aops = {