--- zzzz-none-000/linux-3.10.107/fs/omfs/file.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/fs/omfs/file.c	2021-02-04 17:41:59.000000000 +0000
@@ -311,7 +311,7 @@
 	struct inode *inode = mapping->host;
 
 	if (to > inode->i_size) {
-		truncate_pagecache(inode, to, inode->i_size);
+		truncate_pagecache(inode, inode->i_size);
 		omfs_truncate(inode);
 	}
 }
@@ -337,10 +337,8 @@
 
 const struct file_operations omfs_file_operations = {
 	.llseek = generic_file_llseek,
-	.read = do_sync_read,
-	.write = do_sync_write,
-	.aio_read = generic_file_aio_read,
-	.aio_write = generic_file_aio_write,
+	.read_iter = generic_file_read_iter,
+	.write_iter = generic_file_write_iter,
 	.mmap = generic_file_mmap,
 	.fsync = generic_file_fsync,
 	.splice_read = generic_file_splice_read,
@@ -348,7 +346,7 @@
 
 static int omfs_setattr(struct dentry *dentry, struct iattr *attr)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = d_inode(dentry);
 	int error;
 
 	error = inode_change_ok(inode, attr);