1 files changed, 28 insertions, 20 deletions

diff --git a/fs/sysv/file.c b/fs/sysv/file.c
index 589be21d884..b00811c75b2 100644
--- a/fs/sysv/file.c
+++ b/fs/sysv/file.c
@@ -21,31 +21,39 @@
  */
 const struct file_operations sysv_file_operations = {
 	.llseek		= generic_file_llseek,
-	.read		= do_sync_read,
-	.aio_read	= generic_file_aio_read,
-	.write		= do_sync_write,
-	.aio_write	= generic_file_aio_write,
+	.read		= new_sync_read,
+	.read_iter	= generic_file_read_iter,
+	.write		= new_sync_write,
+	.write_iter	= generic_file_write_iter,
 	.mmap		= generic_file_mmap,
-	.fsync		= sysv_sync_file,
+	.fsync		= generic_file_fsync,
 	.splice_read	= generic_file_splice_read,
 };
 
-const struct inode_operations sysv_file_inode_operations = {
-	.truncate	= sysv_truncate,
-	.getattr	= sysv_getattr,
-};
-
-int sysv_sync_file(struct file * file, struct dentry *dentry, int datasync)
+static int sysv_setattr(struct dentry *dentry, struct iattr *attr)
 {
 	struct inode *inode = dentry->d_inode;
-	int err;
+	int error;
+
+	error = inode_change_ok(inode, attr);
+	if (error)
+		return error;
 
-	err = sync_mapping_buffers(inode->i_mapping);
-	if (!(inode->i_state & I_DIRTY))
-		return err;
-	if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))
-		return err;
-	
-	err |= sysv_sync_inode(inode);
-	return err ? -EIO : 0;
+	if ((attr->ia_valid & ATTR_SIZE) &&
+	    attr->ia_size != i_size_read(inode)) {
+		error = inode_newsize_ok(inode, attr->ia_size);
+		if (error)
+			return error;
+		truncate_setsize(inode, attr->ia_size);
+		sysv_truncate(inode);
+	}
+
+	setattr_copy(inode, attr);
+	mark_inode_dirty(inode);
+	return 0;
 }
+
+const struct inode_operations sysv_file_inode_operations = {
+	.setattr	= sysv_setattr,
+	.getattr	= sysv_getattr,
+};