1/* 2 * fsync.c 3 * 4 * PURPOSE 5 * Fsync handling routines for the OSTA-UDF(tm) filesystem. 6 * 7 * COPYRIGHT 8 * This file is distributed under the terms of the GNU General Public 9 * License (GPL). Copies of the GPL can be obtained from: 10 * ftp://prep.ai.mit.edu/pub/gnu/GPL 11 * Each contributing author retains all rights to their own work. 12 * 13 * (C) 1999-2001 Ben Fennema 14 * (C) 1999-2000 Stelias Computing Inc 15 * 16 * HISTORY 17 * 18 * 05/22/99 blf Created. 19 */ 20 21#include "udfdecl.h" 22 23#include <linux/fs.h> 24 25static int udf_fsync_inode(struct inode *, int); 26 27/* 28 * File may be NULL when we are called. Perhaps we shouldn't 29 * even pass file to fsync ? 30 */ 31 32int udf_fsync_file(struct file * file, struct dentry *dentry, int datasync) 33{ 34 struct inode *inode = dentry->d_inode; 35 return udf_fsync_inode(inode, datasync); 36} 37 38static int udf_fsync_inode(struct inode *inode, int datasync) 39{ 40 int err; 41 42 err = sync_mapping_buffers(inode->i_mapping); 43 if (!(inode->i_state & I_DIRTY)) 44 return err; 45 if (datasync && !(inode->i_state & I_DIRTY_DATASYNC)) 46 return err; 47 48 err |= udf_sync_inode (inode); 49 return err ? -EIO : 0; 50} 51