/* * fsync.c * * PURPOSE *  Fsync handling routines for the OSTA-UDF(tm) filesystem. * * COPYRIGHT *  This file is distributed under the terms of the GNU General Public *  License (GPL). Copies of the GPL can be obtained from: *      ftp://prep.ai.mit.edu/pub/gnu/GPL *  Each contributing author retains all rights to their own work. * *  (C) 1999-2001 Ben Fennema *  (C) 1999-2000 Stelias Computing Inc * * HISTORY * *  05/22/99 blf  Created. */ #include "udfdecl.h" #include <linux/fs.h>#include <linux/smp_lock.h> static int udf_fsync_inode(struct inode *, int); /* *	File may be NULL when we are called. Perhaps we shouldn't *	even pass file to fsync ? */ int udf_fsync_file(struct file * file, struct dentry *dentry, int datasync){	struct inode *inode = dentry->d_inode;	return udf_fsync_inode(inode, datasync);} static int udf_fsync_inode(struct inode *inode, int datasync){	int err; 	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 |= udf_sync_inode (inode);	return err ? -EIO : 0;}