/* *  linux/fs/ufs/file.c * * Copyright (C) 1998 * Daniel Pirkl <daniel.pirkl@email.cz> * Charles University, Faculty of Mathematics and Physics * *  from * *  linux/fs/ext2/file.c * * Copyright (C) 1992, 1993, 1994, 1995 * Remy Card (card@masi.ibp.fr) * Laboratoire MASI - Institut Blaise Pascal * Universite Pierre et Marie Curie (Paris VI) * *  from * *  linux/fs/minix/file.c * *  Copyright (C) 1991, 1992  Linus Torvalds * *  ext2 fs regular file handling primitives */#include <linux/fs.h>#include <linux/buffer_head.h>	/* for sync_mapping_buffers() */#include "ufs_fs.h"#include "ufs.h"static int ufs_sync_file(struct file *file, struct dentry *dentry, int datasync){	struct inode *inode = dentry->d_inode;	int err;	int ret;	ret = sync_mapping_buffers(inode->i_mapping);	if (!(inode->i_state & I_DIRTY))		return ret;	if (datasync && !(inode->i_state & I_DIRTY_DATASYNC))		return ret;	err = ufs_sync_inode(inode);	if (ret == 0)		ret = err;	return ret;}/* * We have mostly NULL's here: the current defaults are ok for * the ufs filesystem. */ const struct file_operations ufs_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,	.mmap		= generic_file_mmap,	.open           = generic_file_open,	.fsync		= ufs_sync_file,	.splice_read	= generic_file_splice_read,};